microhenry
type: Concept
in scheme: Unit of measure
notation: B90
conversion multiplier: 1e-06
dimension vector: I-2 L2 M1 T-2
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: uH
unit symbol: µH

volt per bar
type: Concept
in scheme: Unit of measure
notation: G60
conversion multiplier: 1e-05
dimension vector: I-1 L3 T-1
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.bar-1
unit symbol: V/bar

ounce foot
type: Concept
in scheme: Unit of measure
notation: 4R
conversion multiplier: 0.0086409
dimension vector: L1 M1
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: [oz_av].[ft_i]
unit symbol: oz·ft

newton per square millimetre
type: Concept
in scheme: Unit of measure
notation: C56
conversion multiplier: 1000000.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: N.mm-2
unit symbol: N/mm²

nautical mile
type: Concept
in scheme: Unit of measure
notation: NMI
conversion multiplier: 1852.0
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [nmi_i]
unit symbol: n mile

kilojoule per day
type: Concept
definition: Quotient from the 1000-fold of the derived SI unit joule divided by the unit day.
in scheme: Unit of measure
notation: P21
conversion multiplier: 0.011574074074074073
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: kJ.d-1
unit symbol: kJ/d

poundal foot
type: Concept
definition: Product of the non SI-conforming unit of the force poundal and the unit foot according to the Anglo-American and Imperial system of units .
in scheme: Unit of measure
notation: M95
conversion multiplier: 0.0421401100938048
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i].s-2.[ft_i]
unit symbol: pdl·ft

milliwatt per square metre
type: Concept
in scheme: Unit of measure
notation: C32
conversion multiplier: 0.001
dimension vector: M1 T-3
rec20 quantity: sound intensity
rec20 sector: Acoustics
ucum code: mW.m-2
unit symbol: mW/m²

conventional millimetre of water
type: Concept
deprecated: true
in scheme: Unit of measure
notation: HP
conversion multiplier: 9.80665
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: mm[H2O]
unit symbol: mm H₂O

pint (UK) per hour
type: Concept
in scheme: Unit of measure
notation: L54
conversion multiplier: 1.578504e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pt_br].h-1
unit symbol: pt (UK)/h

gram per bar
type: Concept
in scheme: Unit of measure
notation: F74
conversion multiplier: 1e-08
dimension vector: L1 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.bar-1
unit symbol: g/bar

gram per cubic centimetre bar
type: Concept
in scheme: Unit of measure
notation: G11
conversion multiplier: 0.01
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.cm-3.bar-1
unit symbol: g/(cm³·bar)

gram per millilitre bar
type: Concept
in scheme: Unit of measure
notation: G15
conversion multiplier: 0.01
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.mL-1.bar-1
unit symbol: g/(ml·bar)

bushel (UK) per second
type: Concept
in scheme: Unit of measure
notation: J67
conversion multiplier: 0.03636872
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [bu_br].s-1
unit symbol: bu (UK)/s

reciprocal second
type: Concept
in scheme: Unit of measure
notation: C97
conversion multiplier: 1.0
dimension vector: T-1
rec20 quantity: damping coefficient
rec20 quantity: rotational frequency
rec20 quantity: circular frequency
rec20 quantity: Debye angular frequency
rec20 quantity: photon flux
rec20 quantity: Larmor angular frequency
rec20 quantity: angular frequency, pulsatance
rec20 quantity: decay constant, disintegration constant
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Periodic and related phenomena
rec20 sector: Solid State Physics
rec20 sector: Acoustics
ucum code: /s
unit symbol: s⁻¹

psi per inch
type: Concept
definition: Compound unit for pressure (pound-force according to the Anglo-American unit system divided by the power of the unit inch according to the Anglo-American and Imperial system of units with the exponent 2) divided by the unit inch according to the Anglo-American and Imperial system of units .
in scheme: Unit of measure
notation: P86
conversion multiplier: 271447.14970547153
dimension vector: L-2 M1 T-2
rec20 quantity: hardness index
rec20 sector: Miscellaneous
ucum code: [psi].[in_i]-1
unit symbol: psi/in

millinewton metre
type: Concept
in scheme: Unit of measure
notation: D83
conversion multiplier: 0.001
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: mN.m
unit symbol: mN·m

ton (US shipping)
type: Concept
in scheme: Unit of measure
notation: L86
conversion multiplier: 1.1326
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: (US) shipping ton

mol per cubic metre pascal
type: Concept
definition: SI base unit mol divided by the product of the power from the SI base unit metre with exponent 3 and the derived SI unit pascal.
in scheme: Unit of measure
notation: P52
conversion multiplier: 1.0
dimension vector: N1 L-2 M-1 T2
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.m-3.Pa-1
unit symbol: (mol/m³)/Pa

pound per gallon (US)
type: Concept
in scheme: Unit of measure
notation: GE
conversion multiplier: 119.82642731689663
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lb_av].[gal_us]-1
unit symbol: lb/gal (US)

reciprocal year
type: Concept
in scheme: Unit of measure
notation: H09
conversion multiplier: 3.168808781402895e-08
dimension vector: T-1
rec20 quantity: frequency
rec20 sector: Periodic and related phenomena
ucum code: /a
unit symbol: 1/y

bushel (US dry) per hour
type: Concept
in scheme: Unit of measure
notation: J69
conversion multiplier: 9.789e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [bu_us].h-1
unit symbol: bu (US dry)/h

nanosievert per hour
type: Concept
definition: 0,000 000 001-fold of the derived SI unit sievert divided by the unit hour.
in scheme: Unit of measure
notation: P73
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
unit symbol: nSv/h

poundal per square foot
type: Concept
definition: Non SI-conforming unit of pressure by the Imperial system of units according to NIST: 1 pdl/ft² = 1,488 164 Pa.
in scheme: Unit of measure
notation: N21
conversion multiplier: 1.48816443
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i].s-2.[sft_i]-1
unit symbol: pdl/ft²

newton square metre per ampere
type: Concept
definition: Product of the derived SI unit newton and the power of SI base unit metre with exponent 2 divided by the SI base unit ampere.
in scheme: Unit of measure
notation: P49
conversion multiplier: 1.0
dimension vector: I-1 L3 M1 T-2
rec20 quantity: magnetic dipole moment
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: N.m2.A-1
unit symbol: N·m²/A

pascal second per cubic metre
type: Concept
in scheme: Unit of measure
notation: C66
conversion multiplier: 1.0
dimension vector: L-4 M1 T-1
rec20 quantity: acoustic impedance
rec20 sector: Acoustics
ucum code: Pa.s.m-3
unit symbol: Pa·s/m³

metre kelvin
type: Concept
in scheme: Unit of measure
notation: D18
conversion multiplier: 1.0
dimension vector: L1 Θ1
rec20 quantity: second radiation constant
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: m.K
unit symbol: m·K

kilocalorie (thermochemical) per minute
type: Concept
in scheme: Unit of measure
notation: K54
conversion multiplier: 69.73383333333334
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: kcal_th.min-1
unit symbol: kcalth/min

cubic yard per psi
type: Concept
in scheme: Unit of measure
notation: M14
conversion multiplier: 0.00011088930199731351
dimension vector: L4 M-1 T2
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [yd_i]3.[psi]-1
unit symbol: yd³/psi

cubic metre per minute bar
type: Concept
in scheme: Unit of measure
notation: G88
conversion multiplier: 1.6666666666666668e-07
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.min-1.bar-1
unit symbol: m³/(min·bar)

British thermal unit (international table) per pound degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: J43
conversion multiplier: 426.93476489409767
dimension vector: L1 Θ-1
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: [Btu_IT].[lbf_av]-1.[degF]-1
unit symbol: BtuIT/(lb·°F)

gray per second
type: Concept
in scheme: Unit of measure
notation: A96
conversion multiplier: 1.0
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: Gy.s-1
unit symbol: Gy/s

stokes
type: Concept
in scheme: Unit of measure
notation: 91
conversion multiplier: 0.0001
dimension vector: L2 T-1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: St
unit symbol: St

gill (US) per minute
type: Concept
in scheme: Unit of measure
notation: K38
conversion multiplier: 1.971568e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gil_us].min-1
unit symbol: gi (US)/min

watt per metre degree Celsius
type: Concept
definition: Derived SI unit watt divided by the product of the SI base unit metre and the unit for temperature degree Celsius.
in scheme: Unit of measure
notation: N80
conversion multiplier: 1.0
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: W.m-1.Cel-1
unit symbol: W/(m·°C)

revolutions per second
type: Concept
definition: Refer ISO/TC12 SI Guide
in scheme: Unit of measure
notation: RPS
conversion multiplier: 6.28318531
dimension vector: T-1
rec20 quantity: rotational frequency
rec20 sector: Periodic and related phenomena
unit symbol: r/s

international candle
type: Concept
definition: Obsolete, non-legal unit of the power in Germany relating to DIN 1301-3:1979: 1 HK = 1,019 cd.
in scheme: Unit of measure
notation: P36
dimension vector: J1
rec20 quantity: luminous intensity
rec20 sector: Light and Related Electromagnetic Radiations
unit symbol: IK

reciprocal month
type: Concept
in scheme: Unit of measure
notation: H11
conversion multiplier: 3.91935077e-07
dimension vector: T-1
rec20 quantity: frequency
rec20 sector: Periodic and related phenomena
ucum code: /mo
unit symbol: 1/mo

microgram per cubic metre kelvin
type: Concept
in scheme: Unit of measure
notation: J34
conversion multiplier: 1e-09
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: ug.m-3.K-1
unit symbol: (µg/m³)/K

kilogram-force per square centimetre
type: Concept
in scheme: Unit of measure
notation: E42
conversion multiplier: 98066.5
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: kgf.cm-2
unit symbol: kgf/cm²

ton (UK shipping)
type: Concept
in scheme: Unit of measure
notation: L84
conversion multiplier: 1.1326
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: British shipping ton

milligram per second kelvin
type: Concept
in scheme: Unit of measure
notation: F46
conversion multiplier: 1e-06
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg.s-1.K-1
unit symbol: mg/(s·K)

ounce (avoirdupois)-force
type: Concept
in scheme: Unit of measure
notation: L40
conversion multiplier: 0.278013875
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: [ozf_av]
unit symbol: ozf

litre per minute kelvin
type: Concept
in scheme: Unit of measure
notation: G67
conversion multiplier: 1.6666666666666667e-05
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.min-1.K-1
unit symbol: l/(min·K)

tonne per hour bar
type: Concept
in scheme: Unit of measure
notation: L75
conversion multiplier: 2.777777777777778e-06
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.h-1.bar-1
unit symbol: (t/h)/bar

inch per two pi radiant
type: Concept
in scheme: Unit of measure
notation: H57
dimension vector: L1
rec20 quantity: solid angle
rec20 sector: Space and Time
unit symbol: in/revolution

foot of mercury
type: Concept
deprecated: true
in scheme: Unit of measure
notation: K25
conversion multiplier: 40636.66
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [ft_i'Hg]
unit symbol: ft Hg

British thermal unit (thermochemical) inch per hour square foot degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: J48
conversion multiplier: 0.144131434
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: [Btu_th].[in_i].[ft_i]-2.h-1.[degF]-1
unit symbol: Btuth·in/(h·ft²·°F)

hectogram
type: Concept
in scheme: Unit of measure
notation: HGM
conversion multiplier: 0.1
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: hg
unit symbol: hg

bel per metre
type: Concept
definition: Unit bel divided by the SI base unit metre.
in scheme: Unit of measure
notation: P43
dimension vector: L-1
rec20 quantity: sound pressure level, sound power level
rec20 sector: Acoustics
ucum code: B.m-1
unit symbol: B/m

pound (avoirdupois) square foot
type: Concept
in scheme: Unit of measure
notation: K65
conversion multiplier: 0.04214011
dimension vector: L2 M1
rec20 quantity: moment of inertia (dynamic moment of inertia)
rec20 sector: Mechanics
ucum code: [lb_av].[sft_i]
unit symbol: lb·ft²

peck (US dry) per hour
type: Concept
in scheme: Unit of measure
notation: L49
conversion multiplier: 2.447157651e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pk_us].h-1
unit symbol: pk (US dry)/h

milligram per second
type: Concept
in scheme: Unit of measure
notation: F34
conversion multiplier: 1e-06
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg/s
unit symbol: mg/s

ounce (avoirdupois) per minute
type: Concept
in scheme: Unit of measure
notation: L35
conversion multiplier: 0.000472492
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [oz_av].min-1
unit symbol: oz/min

kelvin per bar
type: Concept
in scheme: Unit of measure
notation: F61
conversion multiplier: 1e-05
dimension vector: L1 M-1 Θ1 T2
rec20 quantity: temperature
rec20 sector: Heat
ucum code: K.bar-1
unit symbol: K/bar

millilitre per bar
type: Concept
in scheme: Unit of measure
notation: G97
conversion multiplier: 1e-11
dimension vector: L4 M-1 T2
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: mL.bar-1
unit symbol: ml/bar

quart (US liquid) per minute
type: Concept
in scheme: Unit of measure
notation: L10
conversion multiplier: 1.577255e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [qt_us].min-1
unit symbol: qt (US liq.)/min

torr
type: Concept
deprecated: true
in scheme: Unit of measure
notation: UA
conversion multiplier: 133.322
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
unit symbol: Torr

newton metre
type: Concept
in scheme: Unit of measure
notation: NU
conversion multiplier: 1.0
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: N.m
unit symbol: N·m

ounce (UK fluid) per minute
type: Concept
in scheme: Unit of measure
notation: J97
conversion multiplier: 4.7355104166666667e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [foz_br].min-1
unit symbol: fl oz (UK)/min

reciprocal kilovolt - ampere reciprocal hour
type: Concept
in scheme: Unit of measure
notation: M21
rec20 quantity: coefficient, performance characteristic
rec20 sector: Electricity and Magnetism
unit symbol: 1/kVAh

cubic yard per second
type: Concept
in scheme: Unit of measure
notation: M16
conversion multiplier: 0.764554857984
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [cyd_i].s-1
unit symbol: yd³/s

millilitre
type: Concept
in scheme: Unit of measure
notation: MLT
conversion multiplier: 1e-06
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: mL
unit symbol: ml

Pressure or stress units
type: Collection
definition: Units of measure grouped by quantity kind: pressure or stress.
member: kip per square inch
member: hectopascal litre per second
member: gigapascal
member: kilobar
member: poundal per square foot
member: gram-force per square centimetre
member: pascal litre per second
member: foot of water (39.2 ºF)
member: newton per square metre
member: poundal per inch
member: kilonewton per metre
member: millibar cubic metre per second
member: decapascal
member: inch of mercury (60 ºF)
member: foot of water
member: millibar litre per second
member: millipascal
member: centimetre of mercury
member: kilogram-force per square metre
member: dyne per square centimetre
member: gram per square millimetre
member: hectopascal cubic metre per second
member: kilopascal
member: dyne per centimetre
member: pound per square yard
member: hectobar
member: conventional millimetre of mercury
member: pound-force per square inch degree Fahrenheit
member: millinewton per metre
member: kilonewton per square metre
member: inch of mercury
member: pound-force per yard
member: conventional metre of water
member: megapascal cubic metre per second
member: reciprocal bar
member: inch of mercury (32 ºF)
member: poundal per square inch
member: megapascal litre per second
member: newton per centimetre
member: pound-force per square foot
member: foot of mercury
member: technical atmosphere
member: centimetre of mercury (0 ºC)
member: pound per square inch absolute
member: cubic inch
member: newton per metre
member: standard atmosphere
member: pascal second per bar
member: conventional millimetre of water
member: cubic metre
member: centimetre of water (4 ºC)
member: inch of water (39.2 ºF)
member: pascal cubic metre per second
member: newton per square centimetre
member: microbar
member: megapascal
member: hectopascal
member: inch of water
member: reciprocal pascal or pascal to the power minus one
member: ounce (avoirdupois) per square inch
member: pascal second per kelvin
member: newton per square millimetre
member: pound-force per square inch
member: micropascal
member: conventional centimetre of water
member: kilopascal per kelvin
member: pound per square foot
member: megapascal per kelvin
member: kilogram-force per square centimetre
member: millibar
member: torr
member: bar [unit of pressure]
member: hectopascal per kelvin
member: A unit of pressure defining the number of kilopounds force per square inch. Use kip per square inch (common code N20).
member: millibar per kelvin
member: inch of water (60 ºF)
member: kilogram-force per square millimetre

kilogram per hour bar
type: Concept
in scheme: Unit of measure
notation: F67
conversion multiplier: 2.777777777777778e-09
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.h-1.bar-1
unit symbol: kg/(h·bar)

microvolt per metre
type: Concept
in scheme: Unit of measure
notation: C3
conversion multiplier: 1e-06
dimension vector: I-1 L1 M1 T-3
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: uV.m-1
unit symbol: µV/m

poise per bar
type: Concept
in scheme: Unit of measure
notation: F06
conversion multiplier: 1e-06
dimension vector: T1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: P.bar-1
unit symbol: P/bar

megagram per cubic metre
type: Concept
in scheme: Unit of measure
notation: B72
conversion multiplier: 1000.0
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: Mg.m-3
unit symbol: Mg/m³

British thermal unit (thermochemical) per square foot hour
type: Concept
definition: Unit of the surface heat flux according to the Imperial system of units.
in scheme: Unit of measure
notation: N51
conversion multiplier: 3.152481054142278
dimension vector: M1 T-3
rec20 quantity: density of heat flow rate
rec20 sector: Heat
ucum code: [Btu_th].[ft_i]-2.h-1
unit symbol: Btuth/(ft²·h)

farad
type: Concept
in scheme: Unit of measure
notation: FAR
conversion multiplier: 1.0
dimension vector: I2 L-2 M-1 T4
rec20 quantity: capacitance
rec20 sector: Electricity and Magnetism
ucum code: F
unit symbol: F

hectopascal per metre
type: Concept
definition: 100-fold of the derived SI unit pascal divided by the SI base unit metre.
in scheme: Unit of measure
notation: P82
conversion multiplier: 100.0
dimension vector: L-2 M1 T-2
rec20 quantity: hardness index
rec20 sector: Miscellaneous
ucum code: hPa.m-1
unit symbol: hPa/m

pH (potential of Hydrogen)
type: Concept
definition: The activity of the (solvated) hydrogen ion (a logarithmic measure used to state the acidity or alkalinity of a chemical solution).
in scheme: Unit of measure
notation: Q30
rec20 quantity: acidity and alkalinity
rec20 sector: Physical Chemistry and Molecular Physics
unit symbol: pH

megapascal
type: Concept
in scheme: Unit of measure
notation: MPA
conversion multiplier: 1000000.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: MPa
unit symbol: MPa

cubic hectometre
type: Concept
in scheme: Unit of measure
notation: H19
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: hm³

square metre per volt second
type: Concept
in scheme: Unit of measure
notation: D26
conversion multiplier: 1.0
dimension vector: I1 M-1 T2
rec20 quantity: mobility
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: m2.V-1.s-1
unit symbol: m²/(V·s)

dry barrel (US)
type: Concept
in scheme: Unit of measure
notation: BLD
conversion multiplier: 0.1156281989625
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: bbl (US)

British thermal unit (thermochemical) per square foot
type: Concept
definition: Unit of the areal-related energy transmission according to the Imperial system of units.
in scheme: Unit of measure
notation: P38
conversion multiplier: 11348.931794912201
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: [Btu_th].[ft_i]-2
unit symbol: Btuth/ft²

reciprocal megakelvin or megakelvin to the power minus one
type: Concept
in scheme: Unit of measure
notation: M20
dimension vector: Θ-1
rec20 quantity: linear expansion coefficient, cubic expansion coefficient, relative pressure coefficient
rec20 sector: Heat
unit symbol: 1/MK

fluid ounce (US)
type: Concept
in scheme: Unit of measure
notation: OZA
conversion multiplier: 2.95735296e-05
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [foz_us]
unit symbol: fl oz (US)

pascal cubic metre per second
type: Concept
in scheme: Unit of measure
notation: G01
conversion multiplier: 1.0
dimension vector: L2 M1 T-3
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: Pa.m3.s-1
unit symbol: Pa·m³/s

peck (US dry) per day
type: Concept
in scheme: Unit of measure
notation: L48
conversion multiplier: 1.01964902e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pk_us].d-1
unit symbol: pk (US dry)/d

microlitre per litre
type: Concept
in scheme: Unit of measure
notation: J36
conversion multiplier: 1e-06
dimension vector: 1
rec20 quantity: volume ratio
rec20 sector: Space and Time
ucum code: uL.L-1
unit symbol: µl/l

millisievert
type: Concept
in scheme: Unit of measure
notation: C28
conversion multiplier: 0.001
dimension vector: L2 T-2
rec20 quantity: dose equivalent
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mSv
unit symbol: mSv

ounce inch
type: Concept
in scheme: Unit of measure
notation: 4Q
conversion multiplier: 0.000720077887375
dimension vector: L1 M1
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: [oz_av].[in_i]
unit symbol: oz·in

foot per second
type: Concept
in scheme: Unit of measure
notation: FS
conversion multiplier: 0.3048
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [ft_i].s-1
unit symbol: ft/s

coulomb metre squared per volt
type: Concept
in scheme: Unit of measure
notation: A27
conversion multiplier: 1.0
dimension vector: I2 M-1 T4
rec20 quantity: electric polarizability of a molecule
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: C.m2.V-1
unit symbol: C·m²/V

Velocity or speed units
type: Collection
definition: Units of measure grouped by quantity kind: velocity or speed.
member: inch per minute
member: yard per hour
member: kilometre per hour
member: kilometre per second
member: metre per second bar
member: foot per second psi
member: yard per minute
member: millimetre per minute
member: yard per second
member: millimetre per year
member: inch per second degree Fahrenheit
member: millimetre per hour
member: inch per second psi
member: millilitre per square centimetre minute
member: centimetre per hour
member: metre per second
member: metre per second kelvin
member: centimetre per second kelvin
member: centimetre per second
member: metre per minute
member: mile per second
member: foot per second degree Fahrenheit
member: foot per hour
member: knot
member: foot per minute
member: centimetre per second bar
member: foot per second
member: radian per second
member: inch per year
member: inch per second
member: metre per second pascal
member: mile per hour (statute mile)
member: mile per minute
member: millimetre per second
member: metre per hour
member: revolution per minute

barrel (US) per minute
type: Concept
in scheme: Unit of measure
notation: 5A
conversion multiplier: 0.0026498
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [bbl_us].min-1
unit symbol: barrel (US)/min

lumen per square foot
type: Concept
definition: Derived SI unit lumen divided by the power of the unit foot according to the Anglo-American and Imperial system of units by exponent 2.
in scheme: Unit of measure
notation: P25
conversion multiplier: 10.763910416709722
dimension vector: L-2 J1
rec20 quantity: illuminance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: lm.[ft_i]-2
unit symbol: lm/ft²

tonne per second bar
type: Concept
in scheme: Unit of measure
notation: L83
conversion multiplier: 0.01
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.s-1.bar-1
unit symbol: (t/s)/bar

stilb
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit of luminance, defined as emitted or reflected luminance by one lumen per square centimetre.
in scheme: Unit of measure
notation: P31
conversion multiplier: 10000.0
dimension vector: L-2 J1
rec20 quantity: luminance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: sb
unit symbol: sb

joule per mole
type: Concept
in scheme: Unit of measure
notation: B15
conversion multiplier: 1.0
dimension vector: N-1 L2 M1 T-2
rec20 quantity: molar thermodynamic energy
rec20 quantity: affinity (of a chemical reaction)
rec20 quantity: chemical potential
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: J.mol-1
unit symbol: J/mol

kilogram per bar
type: Concept
in scheme: Unit of measure
notation: H53
conversion multiplier: 1e-05
dimension vector: L1 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.bar-1
unit symbol: kg/bar

american wire gauge
type: Concept
definition: A unit of distance used for measuring the diameter of small tubes or wires such as the outer diameter od hypodermic or suture needles.
in scheme: Unit of measure
notation: AWG
dimension vector: 1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
unit symbol: AWG

kilosecond
type: Concept
in scheme: Unit of measure
notation: B52
conversion multiplier: 1000.0
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: ks
unit symbol: ks

ohm circular-mil per foot
type: Concept
definition: Unit of resistivity.
in scheme: Unit of measure
notation: P23
dimension vector: I-2 L3 M1 T-3
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
unit symbol: Ω·cmil/ft

gigaelectronvolt
type: Concept
in scheme: Unit of measure
notation: A85
conversion multiplier: 1.602176634e-10
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: GeV
unit symbol: GeV

centimetre of mercury (0 ºC)
type: Concept
definition: Non SI-conforming unit of pressure, at which a value of 1 cmHg meets the static pressure, which is generated by a mercury at a temperature of 0 °C with a height of 1 centimetre .
in scheme: Unit of measure
notation: N13
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
unit symbol: cmHg (0 ºC)

kilogram per cubic centimetre
type: Concept
in scheme: Unit of measure
notation: G31
conversion multiplier: 1000000.0
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.cm-3
unit symbol: kg/cm³

British thermal unit (international table) per minute
type: Concept
in scheme: Unit of measure
notation: J44
conversion multiplier: 17.58
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: [Btu_IT].min-1
unit symbol: BtuIT/min

inch to the fourth power
type: Concept
in scheme: Unit of measure
notation: D69
conversion multiplier: 4.162314e-07
dimension vector: L4
rec20 quantity: second polar moment of area
rec20 sector: Mechanics
ucum code: [in_i]4
unit symbol: in⁴

calorie (thermochemical) per gram kelvin
type: Concept
deprecated: true
in scheme: Unit of measure
notation: D37
conversion multiplier: 4184.0
dimension vector: L2 Θ-1 T-2
rec20 quantity: specific heat capacity at: - constant pressure, -constant volume,- saturation
rec20 sector: Heat
ucum code: cal_th.g-1.K-1
unit symbol: calth/(g·K)

picosecond
type: Concept
in scheme: Unit of measure
notation: H70
conversion multiplier: 1e-12
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: ps
unit symbol: ps

degree per metre
type: Concept
in scheme: Unit of measure
notation: H27
conversion multiplier: 0.0174532925199433
dimension vector: L-1
rec20 quantity: solid angle
rec20 sector: Space and Time
ucum code: deg.m-1
unit symbol: °/m

microsiemens
type: Concept
in scheme: Unit of measure
notation: B99
conversion multiplier: 1e-06
dimension vector: I2 L-2 M-1 T3
rec20 quantity: conductance (for direct current), admittance, (complex admittance), modulus of admittance,(admittance), conductance (for alternating current)
rec20 sector: Electricity and Magnetism
ucum code: uS
unit symbol: µS

pound mole per minute
type: Concept
definition: Non SI-conforming unit of the power of the amount of substance non-SI compliant unit of the molar flux relating that a pound mole of a chemical composition the same number of pound corresponds like the molecular weight of a molecule of this composition in atomic mass units.
in scheme: Unit of measure
notation: P46
conversion multiplier: 7.559872833333333
dimension vector: N1 T-1
rec20 quantity: catalytic activity
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: [mol_lb].min-1
unit symbol: lbmol/h

milligram per cubic metre bar
type: Concept
in scheme: Unit of measure
notation: L18
conversion multiplier: 1e-11
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: mg.m-3.bar-1
unit symbol: (mg/m³)/bar

Capacitance & permittivity units
type: Collection
definition: Units of measure grouped by quantity kind: capacitance & permittivity.
member: kilofarad
member: nanofarad per metre
member: microfarad
member: picofarad per metre
member: picofarad
member: microfarad per metre
member: microfarad per kilometre
member: attofarad
member: farad per metre
member: one
member: farad per kilometre
member: nanofarad
member: millifarad
member: farad

British thermal unit (international table) inch per hour square foot degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: J41
conversion multiplier: 0.144227889
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: [Btu_IT].[in_i].h-1.[ft_i]-2.[degF]-1
unit symbol: BtuIT·in/(h·ft²·°F)

cubic centimetre per day bar
type: Concept
in scheme: Unit of measure
notation: G78
conversion multiplier: 1.1574074074074073e-16
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.d-1.bar-1
unit symbol: cm³/(d·bar)

foot per second squared
type: Concept
in scheme: Unit of measure
notation: A73
conversion multiplier: 0.3048
dimension vector: L1 T-2
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
ucum code: [ft_i].s-2
unit symbol: ft/s²

square inch
type: Concept
in scheme: Unit of measure
notation: INK
conversion multiplier: 0.00064516
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: [in_i]2
unit symbol: in²

dyne second per centimetre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A51
conversion multiplier: 0.001
dimension vector: M1 T-1
rec20 quantity: mechanical impedance
rec20 sector: Acoustics
ucum code: dyn.s.cm-1
unit symbol: dyn·s/cm

cubic kilometre
type: Concept
in scheme: Unit of measure
notation: H20
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: km³

degree Celsius per kelvin
type: Concept
in scheme: Unit of measure
notation: E98
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: Cel.K-1
unit symbol: °C/K

foot
type: Concept
in scheme: Unit of measure
notation: FOT
conversion multiplier: 0.3048
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [ft_i]
unit symbol: ft

electronvolt square metre
type: Concept
in scheme: Unit of measure
notation: A55
conversion multiplier: 1.602176487e-19
dimension vector: L4 M1 T-2
rec20 quantity: total atomic stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: eV.m2
unit symbol: eV·m²

volt squared per kelvin squared
type: Concept
in scheme: Unit of measure
notation: D45
conversion multiplier: 1.0
dimension vector: I-2 L4 M2 Θ-2 T-6
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V2.K-2
unit symbol: V²/K²

megabecquerel
type: Concept
in scheme: Unit of measure
notation: 4N
conversion multiplier: 1000000.0
dimension vector: T-1
rec20 quantity: activity
rec20 sector: Atomic and Nuclear Physics
ucum code: MBq
unit symbol: MBq

coulomb per kilogram second
type: Concept
in scheme: Unit of measure
notation: A31
conversion multiplier: 1.0
dimension vector: I1 M-1
rec20 quantity: exposure rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: C.kg-1.s-1
unit symbol: C/(kg·s)

microampere
type: Concept
in scheme: Unit of measure
notation: B84
conversion multiplier: 1e-06
dimension vector: I1
rec20 quantity: electric current, magnetic potential difference, magnetomotive force,current linkage
rec20 sector: Electricity and Magnetism
ucum code: uA
unit symbol: µA

bushel (UK) per day
type: Concept
in scheme: Unit of measure
notation: J64
conversion multiplier: 4.209343e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [bu_br].d-1
unit symbol: bu (UK)/d

therm (EC)
type: Concept
definition: Unit of heat energy in commercial use, within the EU defined: 1 thm (EC) = 100 000 BtuIT.
in scheme: Unit of measure
notation: N71
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
unit symbol: thm (EC)

British thermal unit (international table) inch per second square foot degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: J42
conversion multiplier: 519.220399911
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: [Btu_IT].[in_i].s-1.[ft_i]-2.[degF]-1
unit symbol: BtuIT·in/(s·ft²·°F)

ampere per square millimetre
type: Concept
in scheme: Unit of measure
notation: A7
conversion multiplier: 1000000.0
dimension vector: I1 L-2
rec20 quantity: current density
rec20 sector: Electricity and Magnetism
ucum code: A.mm-2
unit symbol: A/mm²

foot per second psi
type: Concept
in scheme: Unit of measure
notation: K19
conversion multiplier: 4.420750047668715e-05
dimension vector: L2 M-1 T1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [ft_i].s-1.[psi]-1
unit symbol: (ft/s)/psi

reciprocal joule per cubic metre
type: Concept
in scheme: Unit of measure
notation: C90
conversion multiplier: 1.0
dimension vector: L-5 M-1 T2
rec20 quantity: density of states
rec20 sector: Solid State Physics
ucum code: J-1.m-3
unit symbol: J⁻¹/m³

milligram per hour kelvin
type: Concept
in scheme: Unit of measure
notation: F44
conversion multiplier: 2.7777777777777777e-10
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg.h-1.K-1
unit symbol: mg/(h·K)

degree Fahrenheit per bar
type: Concept
in scheme: Unit of measure
notation: J21
conversion multiplier: 5.555555555555556e-06
dimension vector: L1 M-1 Θ1 T2
rec20 quantity: temperature
rec20 sector: Heat
ucum code: [degF].bar-1
unit symbol: °F/bar

kiloampere per square metre
type: Concept
in scheme: Unit of measure
notation: B23
conversion multiplier: 1000.0
dimension vector: I1 L-2
rec20 quantity: current density
rec20 sector: Electricity and Magnetism
ucum code: kA.m-2
unit symbol: kA/m²

degree Rankine per hour
type: Concept
in scheme: Unit of measure
notation: J28
conversion multiplier: 0.000154320987654321
dimension vector: Θ1 T-1
rec20 quantity: temperature variation over time
rec20 sector: Heat
ucum code: [degR].h-1
unit symbol: °R/h

gram per cubic decimetre bar
type: Concept
in scheme: Unit of measure
notation: G12
conversion multiplier: 1e-05
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.dm-3.bar-1
unit symbol: g/(dm³·bar)

therm (U.S.)
type: Concept
definition: Unit of heat energy in commercial use.
in scheme: Unit of measure
notation: N72
conversion multiplier: 105480400.0
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
ucum code: 100000.[Btu_59]
unit symbol: thm (US)

gigacoulomb per cubic metre
type: Concept
in scheme: Unit of measure
notation: A84
conversion multiplier: 1000000000.0
dimension vector: I1 L-3 T1
rec20 quantity: volume density of charge, charge density, volumic charge
rec20 sector: Electricity and Magnetism
ucum code: GC.m-3
unit symbol: GC/m³

rem
type: Concept
in scheme: Unit of measure
notation: D91
conversion multiplier: 0.01
dimension vector: L2 T-2
rec20 quantity: dose equivalent
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: REM
unit symbol: rem

candela per square inch
type: Concept
definition: SI base unit candela divided by the power of unit inch according to the Anglo-American and Imperial system of units by exponent 2.
in scheme: Unit of measure
notation: P28
conversion multiplier: 1550.0031000062002
dimension vector: L-2 J1
rec20 quantity: luminance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: cd.[in_i]-2
unit symbol: cd/in²

kilocoulomb per cubic metre
type: Concept
in scheme: Unit of measure
notation: B27
conversion multiplier: 1000.0
dimension vector: I1 L-3 T1
rec20 quantity: volume density of charge, charge density, volumic charge
rec20 sector: Electricity and Magnetism
ucum code: kC.m-3
unit symbol: kC/m³

British thermal unit (thermochemical) foot per hour square foot degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: J46
conversion multiplier: 1.73
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: [Btu_th].[ft_i].h-1.[ft_i]-2.[degF]-1
unit symbol: Btuth·ft/(h·ft²·°F)

reciprocal cubic metre per second
type: Concept
definition: Synonym: reciprocal second per cubic metre
in scheme: Unit of measure
notation: C87
conversion multiplier: 1.0
dimension vector: L-3 T-1
rec20 quantity: slowing down density
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: m-3.s-1
unit symbol: m⁻³/s

pound-force per square inch
type: Concept
in scheme: Unit of measure
notation: PS
conversion multiplier: 6894.75789
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [psi]
unit symbol: lbf/in²

langley
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit of the areal-related energy transmission (as a measure of the incident quantity of heat of solar radiation on the earth's surface).
in scheme: Unit of measure
notation: P40
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
unit symbol: Ly

foot pound-force per hour
type: Concept
in scheme: Unit of measure
notation: K15
conversion multiplier: 0.0003766161136565501
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 sector: Mechanics
ucum code: [ft_i].[lbf_av].h-1
unit symbol: ft·lbf/h

cubic centimetre per hour
type: Concept
in scheme: Unit of measure
notation: G48
conversion multiplier: 2.777778e-10
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.h-1
unit symbol: cm³/h

pound (avoirdupois) per second psi
type: Concept
in scheme: Unit of measure
notation: K83
conversion multiplier: 6.578800824473968e-05
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lb_av].s-1.[psi]-1
unit symbol: (lb/s)/psi

Normalized cubic metre per day
type: Concept
definition: Normalized cubic metre (temperature 0°C and pressure 101325 millibars ) per day
in scheme: Unit of measure
notation: Q39
rec20 quantity: volume flow rate
rec20 sector: Mechanics

British thermal unit (international table) per hour
type: Concept
in scheme: Unit of measure
notation: 2I
conversion multiplier: 0.29307107
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: [Btu_IT].h-1
unit symbol: BtuIT/h

calorie (thermochemical) per centimetre second degree Celsius
type: Concept
in scheme: Unit of measure
notation: J78
conversion multiplier: 418.4
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: cal_th.cm-1.s-1.Cel-1
unit symbol: calth/(cm·s·°C)

milligram
type: Concept
in scheme: Unit of measure
notation: MGM
conversion multiplier: 1e-06
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: mg
unit symbol: mg

litre per kilogram
type: Concept
in scheme: Unit of measure
notation: H83
conversion multiplier: 0.001
dimension vector: L3 M-1
rec20 quantity: specific volume, massic volume
rec20 sector: Mechanics
ucum code: L.kg-1
unit symbol: l/kg

lumen hour
type: Concept
in scheme: Unit of measure
notation: B59
conversion multiplier: 3600.0
dimension vector: J1 T1
rec20 quantity: quantity of light
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: lm.h
unit symbol: lm·h

millilitre per litre
type: Concept
in scheme: Unit of measure
notation: L19
conversion multiplier: 0.001
dimension vector: 1
rec20 quantity: volume ratio
rec20 sector: Space and Time
ucum code: mL.L-1
unit symbol: ml/l

gram millimetre
type: Concept
in scheme: Unit of measure
notation: H84
conversion multiplier: 1e-06
dimension vector: L1 M1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: g.mm
unit symbol: g·mm

siemens square metre per mole
type: Concept
in scheme: Unit of measure
notation: D12
conversion multiplier: 1.0
dimension vector: N-1 I2 M-1 T3
rec20 quantity: molar conductivity
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: S.m2.mol-1
unit symbol: S·m²/mol

watt per cubic metre
type: Concept
in scheme: Unit of measure
notation: H47
conversion multiplier: 1.0
dimension vector: L-1 M1 T-3
rec20 quantity: radiant energy, fluence rate, radiant exitance, irradiance, first radiation constant
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: W.m-3
unit symbol: W/m³

kilogram per cubic decimetre kelvin
type: Concept
in scheme: Unit of measure
notation: H54
conversion multiplier: 1000.0
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.dm-3.K-1
unit symbol: (kg/dm³)/K

ampere per square metre
type: Concept
in scheme: Unit of measure
notation: A41
conversion multiplier: 1.0
dimension vector: I1 L-2
rec20 quantity: current density
rec20 sector: Electricity and Magnetism
ucum code: A.m-2
unit symbol: A/m²

Mega Joule per Normalised cubic Metre
type: Concept
definition: Energy in Mega Joules per normalised cubic metre for gas (temperature 0°C and pressure 101325 millibars)
in scheme: Unit of measure
notation: MNJ
rec20 sector: Mechanics
unit symbol: MJ/m³

millilitre per kilogram
type: Concept
in scheme: Unit of measure
notation: KX
conversion multiplier: 1e-06
dimension vector: L3 M-1
rec20 quantity: specific volume, massic volume
rec20 sector: Mechanics
ucum code: mL.kg-1
unit symbol: ml/kg

ounce (avoirdupois) per hour
type: Concept
in scheme: Unit of measure
notation: L34
conversion multiplier: 7.87487e-06
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [oz_av].h-1
unit symbol: oz/h

decapascal
type: Concept
in scheme: Unit of measure
notation: H75
conversion multiplier: 10.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: daPa
unit symbol: daPa

ton (US) or short ton (UK/US)
type: Concept
definition: Synonym: net ton (2000 lb)
in scheme: Unit of measure
notation: STN
conversion multiplier: 907.18474
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [ston_av]
unit symbol: ton (US)

tonne per day bar
type: Concept
in scheme: Unit of measure
notation: L73
conversion multiplier: 1.1574074074074074e-07
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.d-1.bar-1
unit symbol: (t/d)/bar

lambert
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit of luminance, defined as the emitted or reflected luminance by one lumen per square centimetre.
in scheme: Unit of measure
notation: P30
conversion multiplier: 0.31830988618
dimension vector: L-2 J1
rec20 quantity: luminance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: Lmb
unit symbol: Lb

megavolt
type: Concept
in scheme: Unit of measure
notation: B78
conversion multiplier: 1000000.0
dimension vector: I-1 L2 M1 T-3
rec20 quantity: electric potential, potential difference, tension, voltage, electromotive force
rec20 sector: Electricity and Magnetism
ucum code: MV
unit symbol: MV

kiloohm
type: Concept
in scheme: Unit of measure
notation: B49
conversion multiplier: 1000.0
dimension vector: I-2 L2 M1 T-3
rec20 quantity: resistance (to direct current), impedance, (complex impedances), modulus of impedance, resistance (to alternating current), reactance
rec20 sector: Electricity and Magnetism
ucum code: kOhm
unit symbol: kΩ

erg per centimetre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A58
conversion multiplier: 1e-05
dimension vector: L1 M1 T-2
rec20 quantity: linear energy transfer
rec20 quantity: total linear stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: erg.cm-1
unit symbol: erg/cm

quart (UK liquid) per minute
type: Concept
in scheme: Unit of measure
notation: K96
conversion multiplier: 1.894205e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [qt_br].min-1
unit symbol: qt (UK liq.)/min

kiloelectronvolt
type: Concept
in scheme: Unit of measure
notation: B29
conversion multiplier: 1.602176634e-16
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: keV
unit symbol: keV

poundal per square inch
type: Concept
definition: Non SI-conforming unit of the pressure according to the Imperial system of units (poundal by square inch).
in scheme: Unit of measure
notation: N26
conversion multiplier: 214.29560787401576
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i].s-2.[in_i]-2
unit symbol: pdl/in²

volt per second
type: Concept
in scheme: Unit of measure
notation: H46
conversion multiplier: 1.0
dimension vector: I-1 L2 M1 T-4
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.s-1
unit symbol: V/s

milligram per metre
type: Concept
in scheme: Unit of measure
notation: C12
conversion multiplier: 1e-06
dimension vector: L-1 M1
rec20 quantity: linear density, linear mass
rec20 sector: Mechanics
ucum code: mg.m-1
unit symbol: mg/m

pound (avoirdupois) per cubic inch degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K75
conversion multiplier: 49823.84
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lb_av].[in_i]-3.[degF]-1
unit symbol: (lb/in³)/°F

volt per kelvin
type: Concept
in scheme: Unit of measure
notation: D48
conversion multiplier: 1.0
dimension vector: I-1 L2 M1 Θ-1 T-3
rec20 quantity: Seebeck coefficient for substances a and b
rec20 sector: Solid State Physics
ucum code: V.K-1
unit symbol: V/K

ampere second
type: Concept
in scheme: Unit of measure
notation: A8
conversion multiplier: 1.0
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: A.s
unit symbol: A·s

cubic foot per pound
type: Concept
definition: Power of the unit foot according to the Anglo-American and Imperial system of units by exponent 3 divided by the unit avoirdupois pound according to the avoirdupois unit system.
in scheme: Unit of measure
notation: N29
conversion multiplier: 0.06242796057614461
dimension vector: L3 M-1
rec20 quantity: specific volume, massic volume
rec20 sector: Mechanics
ucum code: [ft_i]3.[lb_av]-1
unit symbol: ft³/lb

reciprocal cubic metre
type: Concept
in scheme: Unit of measure
notation: C86
conversion multiplier: 1.0
dimension vector: L-3
rec20 quantity: volumic number of molecules (or particles), number density of molecules (or particles), molecular concentration of B
rec20 quantity: ion number density, ion density, neutron number density
rec20 quantity: electron number density, volumic electron number, hole number density, volumic hole number, donor number density, volumic donor number, intrinsic number density, volumic intrinsis number, acceptor number density, volumic acceptor number
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Solid State Physics
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: /m3
unit symbol: m⁻³

milli-inch
type: Concept
in scheme: Unit of measure
notation: 77
conversion multiplier: 2.54e-05
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: m[in_i]
unit symbol: mil

bushel (UK) per minute
type: Concept
in scheme: Unit of measure
notation: J66
conversion multiplier: 0.0006061453
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [bu_br].min-1
unit symbol: bu (UK)/min

radian
type: Concept
in scheme: Unit of measure
notation: C81
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: angle (plane)
rec20 quantity: angle of optical rotation
rec20 quantity: Bragg angle
rec20 quantity: phase difference, phase displacement, loss angle
rec20 sector: Space and Time
rec20 sector: Solid State Physics
rec20 sector: Electricity and Magnetism
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: rad
unit symbol: rad

decibel
type: Concept
in scheme: Unit of measure
notation: 2N
dimension vector: 1
rec20 quantity: sound reduction index
rec20 quantity: level of a field quantity, level of a power quantity
rec20 quantity: sound pressure level, sound power level
rec20 sector: Periodic and related phenomena
rec20 sector: Acoustics
ucum code: dB
unit symbol: dB

newton metre second
type: Concept
in scheme: Unit of measure
notation: C53
conversion multiplier: 1.0
dimension vector: L2 M1 T-1
rec20 quantity: angular impulse
rec20 sector: Mechanics
ucum code: N.m.s
unit symbol: N·m·s

pint (UK)
type: Concept
in scheme: Unit of measure
notation: PTI
conversion multiplier: 0.00056826125
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [pt_br]
unit symbol: pt (UK)

cubic metre per hour
type: Concept
in scheme: Unit of measure
notation: MQH
conversion multiplier: 0.0002777777777777778
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.h-1
unit symbol: m³/h

megapascal cubic metre per second
type: Concept
in scheme: Unit of measure
notation: F98
conversion multiplier: 1000000.0
dimension vector: L2 M1 T-3
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: MPa.m3.s-1
unit symbol: MPa·m³/s

dyne second per cubic centimetre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A50
conversion multiplier: 10.0
dimension vector: L-2 M1 T-1
rec20 quantity: surface density of mechanical impedance
rec20 sector: Acoustics
ucum code: dyn.s.cm-3
unit symbol: dyn·s/cm³

kilomole per cubic metre bar
type: Concept
in scheme: Unit of measure
notation: K60
conversion multiplier: 0.01
dimension vector: N1 L-2 M-1 T2
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kmol.m-3.bar-1
unit symbol: (kmol/m³)/bar

kilogram per hour
type: Concept
in scheme: Unit of measure
notation: E93
conversion multiplier: 0.000277777778
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.h-1
unit symbol: kg/h

pound (avoirdupois) per hour psi
type: Concept
in scheme: Unit of measure
notation: K74
conversion multiplier: 1.827444673464991e-08
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lb_av].h-1.[psi]-1
unit symbol: (lb/h)/psi

milligram per minute kelvin
type: Concept
in scheme: Unit of measure
notation: F45
conversion multiplier: 1.6666666666666667e-08
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg.min-1.K-1
unit symbol: mg/(min·K)

cubic decimetre
type: Concept
in scheme: Unit of measure
notation: DMQ
conversion multiplier: 0.001
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: dm3
unit symbol: dm³

milliampere per pound-force per square inch
type: Concept
in scheme: Unit of measure
notation: F57
conversion multiplier: 1.4503773122272687e-07
dimension vector: I1 L1 M-1 T2
rec20 quantity: current density
rec20 sector: Electricity and Magnetism
ucum code: mA.[in_i]2.[lbf_av]-1
unit symbol: mA/(lbf/in²)

microsievert per hour
type: Concept
definition: 0,000 001-fold of the derived SI unit sievert divided by the unit hour.
in scheme: Unit of measure
notation: P72
conversion multiplier: 2.77778e-10
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: uSv.h-1
unit symbol: µSv/h

coulomb per square centimetre
type: Concept
in scheme: Unit of measure
notation: A33
conversion multiplier: 10000.0
dimension vector: I1 L-2 T1
rec20 quantity: surface density of charge, electric flux density, displacement electric polarization
rec20 sector: Electricity and Magnetism
ucum code: C.cm-2
unit symbol: C/cm²

megasiemens per metre
type: Concept
in scheme: Unit of measure
notation: B77
conversion multiplier: 1000000.0
dimension vector: I2 L-3 M-1 T3
rec20 quantity: conductivity
rec20 sector: Electricity and Magnetism
ucum code: MS.m-1
unit symbol: MS/m

gram per cubic metre kelvin
type: Concept
in scheme: Unit of measure
notation: G36
conversion multiplier: 0.001
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.m-3.K-1
unit symbol: g/(m³·K)

British thermal unit (international table) per square foot second
type: Concept
definition: Unit of the surface heat flux according to the Imperial system of units.
in scheme: Unit of measure
notation: N53
conversion multiplier: 11356.526682226975
dimension vector: M1 T-3
rec20 quantity: density of heat flow rate
rec20 sector: Heat
ucum code: [Btu_IT].s-1.[ft_i]-2
unit symbol: BtuIT/(ft²·s)

pint (US liquid) per minute
type: Concept
in scheme: Unit of measure
notation: L59
conversion multiplier: 7.886275e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pt_us].min-1
unit symbol: pt (US liq.)/min

megavar
type: Concept
definition: A unit of electrical reactive power represented by a current of one thousand amperes flowing due a potential difference of one thousand volts where the sine of the phase angle between them is 1.
in scheme: Unit of measure
notation: MAR
conversion multiplier: 1000000.0
dimension vector: L2 M1 T-3
rec20 quantity: reactive power
rec20 sector: Electricity and Magnetism
ucum code: MVA{reactive}
unit symbol: kvar

ton short per hour degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: L89
conversion multiplier: 0.45359236999999997
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [ston_av].h-1.[degF]-1
unit symbol: ton (US)/(h·°F)

British thermal unit (thermochemical) per degree Rankine
type: Concept
definition: Unit of the heat capacity according to the Imperial system of units.
in scheme: Unit of measure
notation: N63
conversion multiplier: 1897.8304761
dimension vector: L2 M1 Θ-1 T-2
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: [Btu_th].[degR]-1
unit symbol: Btuth/ºR

British thermal unit (thermochemical) per hour
type: Concept
in scheme: Unit of measure
notation: J47
conversion multiplier: 0.2929
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: [Btu_th].h-1
unit symbol: Btuth/h

octave
type: Concept
definition: A unit used in music to describe the ratio in frequency between notes.
in scheme: Unit of measure
notation: C59
dimension vector: 1
rec20 quantity: frequency interval
rec20 sector: Acoustics

kilojoule per gram
type: Concept
in scheme: Unit of measure
notation: Q31
rec20 quantity: massic thermodynamic energy
rec20 sector: Heat
unit symbol: kJ/g

kilohertz metre
type: Concept
in scheme: Unit of measure
notation: M17
conversion multiplier: 1000.0
dimension vector: L1 T-1
rec20 quantity: coefficient, performance characteristic
rec20 sector: Electricity and Magnetism
ucum code: kHz.m
unit symbol: kHz·m

pascal
type: Concept
in scheme: Unit of measure
notation: PAL
conversion multiplier: 1.0
dimension vector: L-1 M1 T-2
rec20 quantity: partial pressure of B (in a gaseous mixture), fugacity of B (in a gaseous mixture), osmotic pressure
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 quantity: static pressure, (instantaneous) sound pressure
rec20 sector: Mechanics
rec20 sector: Physical Chemistry and Molecular Physics
rec20 sector: Acoustics
ucum code: Pa
unit symbol: Pa

cubic metre per coulomb
type: Concept
in scheme: Unit of measure
notation: A38
conversion multiplier: 1.0
dimension vector: I-1 L3 T-1
rec20 quantity: Hall coefficient
rec20 sector: Solid State Physics
ucum code: m3.C-1
unit symbol: m³/C

kilogram per metre
type: Concept
in scheme: Unit of measure
notation: KL
conversion multiplier: 1.0
dimension vector: L-1 M1
rec20 quantity: linear density, linear mass
rec20 sector: Mechanics
ucum code: kg.m-1
unit symbol: kg/m

15 °C calorie
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A1
conversion multiplier: 4.1855
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
ucum code: cal_[15]
unit symbol: cal₁₅

nanoampere
type: Concept
in scheme: Unit of measure
notation: C39
conversion multiplier: 1e-09
dimension vector: I1
rec20 quantity: electric current, magnetic potential difference, magnetomotive force,current linkage
rec20 sector: Electricity and Magnetism
ucum code: nA
unit symbol: nA

decibel per metre
type: Concept
in scheme: Unit of measure
notation: H52
dimension vector: L-1
rec20 quantity: sound pressure level, sound power level
rec20 sector: Acoustics
ucum code: dB.m-1
unit symbol: dB/m

joule per kilogram kelvin
type: Concept
in scheme: Unit of measure
notation: B11
conversion multiplier: 1.0
dimension vector: L2 Θ-1 T-2
rec20 quantity: specific heat capacity at: - constant pressure, -constant volume,- saturation
rec20 sector: Heat
ucum code: J.kg-1.K-1
unit symbol: J/(kg·K)

kiloohm metre
type: Concept
in scheme: Unit of measure
notation: B50
conversion multiplier: 1000.0
dimension vector: I-2 L3 M1 T-3
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
ucum code: kOhm.m
unit symbol: kΩ·m

barrel (US petroleum) per hour
type: Concept
in scheme: Unit of measure
notation: J62
conversion multiplier: 0.1589873
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [bbl_us].s-1
unit symbol: bbl (US)/h

Amount of substance units
type: Collection
definition: Units of measure grouped by quantity kind: amount of substance.
member: one
member: millimole per kilogram
member: kilomole per kilogram
member: reciprocal cubic inch
member: micromole
member: reciprocal cubic centimetre
member: pound mole per pound
member: nanomole
member: reciprocal litre
member: millimole per gram
member: reciprocal cubic foot
member: mole per kilogram
member: reciprocal cubic millimetre
member: mole
member: millimole
member: coulomb metre squared per volt
member: reciprocal cubic yard
member: pound mole
member: kilomole
member: reciprocal cubic metre

reciprocal second per steradian
type: Concept
in scheme: Unit of measure
notation: D1
conversion multiplier: 1.0
dimension vector: T-1
rec20 quantity: photon intensity
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: /(s.sr)
unit symbol: s⁻¹/sr

henry
type: Concept
in scheme: Unit of measure
notation: 81
conversion multiplier: 1.0
dimension vector: I-2 L2 M1 T-2
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: H
unit symbol: H

millimole per kilogram
type: Concept
in scheme: Unit of measure
notation: D87
conversion multiplier: 0.001
dimension vector: N1 M-1
rec20 quantity: ionic strength
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mmol.kg-1
unit symbol: mmol/kg

millipascal second per kelvin
type: Concept
in scheme: Unit of measure
notation: L15
conversion multiplier: 0.001
dimension vector: L-1 M1 Θ-1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: mPa.s.K-1
unit symbol: mPa·s/K

ounce (avoirdupois) per day
type: Concept
in scheme: Unit of measure
notation: L33
conversion multiplier: 3.2812e-07
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [oz_av].d-1
unit symbol: oz/d

millilitre per square centimetre second
type: Concept
in scheme: Unit of measure
notation: 35
conversion multiplier: 0.01
dimension vector: L1 T-1
rec20 quantity: porosity
rec20 sector: Miscellaneous
ucum code: mL.cm-2.s-1
unit symbol: ml/(cm²·s)

kilojoule per kilogram kelvin
type: Concept
in scheme: Unit of measure
notation: B43
conversion multiplier: 1000.0
dimension vector: L2 Θ-1 T-2
rec20 quantity: specific heat capacity at: - constant pressure, -constant volume,- saturation
rec20 sector: Heat
ucum code: kJ.(kg.K)-1
unit symbol: kJ/(kg·K)

pound per square inch absolute
type: Concept
in scheme: Unit of measure
notation: 80
conversion multiplier: 703.06957963916
dimension vector: L-2 M1
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [lb_av].[sin_i]-1
unit symbol: lb/in²

siemens per centimetre
type: Concept
in scheme: Unit of measure
notation: H43
conversion multiplier: 100.0
dimension vector: I2 L-3 M-1 T3
rec20 quantity: conductivity
rec20 sector: Electricity and Magnetism
ucum code: S.cm-1
unit symbol: S/cm

standard atmosphere
type: Concept
in scheme: Unit of measure
notation: ATM
conversion multiplier: 101325.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: atm
unit symbol: atm

foot pound-force per second
type: Concept
in scheme: Unit of measure
notation: A74
conversion multiplier: 1.35581807
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 sector: Mechanics
ucum code: [ft_i].[lbf_av].s-1
unit symbol: ft·lbf/s

gram per cubic metre bar
type: Concept
in scheme: Unit of measure
notation: G14
conversion multiplier: 1e-08
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.m-3.bar-1
unit symbol: g/(m³·bar)

tonne per hour kelvin
type: Concept
in scheme: Unit of measure
notation: L74
conversion multiplier: 0.2777777777777778
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.h-1.K-1
unit symbol: (t/h)/K

slug
type: Concept
definition: A unit of mass. One slug is the mass accelerated at 1 foot per second per second by a force of 1 pound.
in scheme: Unit of measure
notation: F13
conversion multiplier: 14.593903
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
unit symbol: slug

centigram
type: Concept
in scheme: Unit of measure
notation: CGM
conversion multiplier: 1e-05
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: cg
unit symbol: cg

cubic centimetre per cubic metre
type: Concept
in scheme: Unit of measure
notation: J87
conversion multiplier: 1e-06
dimension vector: 1
rec20 quantity: volume ratio
rec20 sector: Space and Time
ucum code: cm3.m-3
unit symbol: cm³/m³

peck (UK) per second
type: Concept
in scheme: Unit of measure
notation: L47
conversion multiplier: 0.009092181
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pk_br].s-1
unit symbol: pk (UK)/s

cubic inch per pound
type: Concept
definition: Power of the unit inch according to the Anglo-American and Imperial system of units by exponent 3 divided by the avoirdupois pound according to the avoirdupois unit system .
in scheme: Unit of measure
notation: N30
conversion multiplier: 3.612729200008369e-05
dimension vector: L3 M-1
rec20 quantity: specific volume, massic volume
rec20 sector: Mechanics
ucum code: [in_i]3.[lb_av]-1
unit symbol: in³/lb

centinewton metre
type: Concept
in scheme: Unit of measure
notation: J72
conversion multiplier: 0.01
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: cN.m
unit symbol: cN·m

kilogram per cubic metre
type: Concept
definition: A unit of weight expressed in kilograms of a substance that fills a volume of one cubic metre.
in scheme: Unit of measure
notation: KMQ
conversion multiplier: 1.0
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 quantity: volumic mass, density, mass density
rec20 sector: Physical Chemistry and Molecular Physics
rec20 sector: Acoustics
rec20 sector: Mechanics
ucum code: kg.m-3
unit symbol: kg/m³

gram per minute bar
type: Concept
in scheme: Unit of measure
notation: F64
conversion multiplier: 1.6666666666666666e-10
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.min-1.bar-1
unit symbol: g/(min·bar)

kilogram per square centimetre
type: Concept
in scheme: Unit of measure
notation: D5
conversion multiplier: 10000.0
dimension vector: L-2 M1
rec20 quantity: surface density, areic mass
rec20 sector: Mechanics
ucum code: kg.cm-2
unit symbol: kg/cm²

microsievert per minute
type: Concept
definition: 0,000 001-fold of the derived SI unit sievert divided by the unit minute.
in scheme: Unit of measure
notation: P76
conversion multiplier: 1.6666666666666667e-08
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: uSv.min-1
unit symbol: µSv/min

picowatt
type: Concept
in scheme: Unit of measure
notation: C75
conversion multiplier: 1e-12
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: pW
unit symbol: pW

rad
type: Concept
in scheme: Unit of measure
notation: C80
conversion multiplier: 0.01
dimension vector: L2 T-2
rec20 quantity: absorbed dose
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: RAD
unit symbol: rad

litre per kelvin
type: Concept
in scheme: Unit of measure
notation: G28
conversion multiplier: 0.001
dimension vector: L3 Θ-1
rec20 quantity: volume per temperature
rec20 sector: Space and Time
ucum code: L.K-1
unit symbol: l/K

nanogray per minute
type: Concept
definition: 0,000 000 001-fold of the derived SI unit gray divided by the unit minute.
in scheme: Unit of measure
notation: P60
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
unit symbol: nGy/min

kilocalorie (international table)
type: Concept
in scheme: Unit of measure
notation: E14
conversion multiplier: 4186.8
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
ucum code: kcal_IT
unit symbol: kcalIT

millimetre per kelvin
type: Concept
in scheme: Unit of measure
notation: F53
conversion multiplier: 0.001
dimension vector: L1 Θ-1
rec20 quantity: thermal diffusivity
rec20 sector: Heat
ucum code: mm.K-1
unit symbol: mm/K

joule second
type: Concept
in scheme: Unit of measure
notation: B18
conversion multiplier: 1.0
dimension vector: L2 M1 T-1
rec20 quantity: Planck constant
rec20 sector: Atomic and Nuclear Physics
ucum code: J.s
unit symbol: J·s

tonne per year
type: Concept
definition: Unit tonne divided by the unit year with 365 days.
in scheme: Unit of measure
notation: M89
conversion multiplier: 3.168808781e-05
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.a-1
unit symbol: t/y

tonne (metric ton)
type: Concept
definition: Synonym: metric ton
in scheme: Unit of measure
notation: TNE
conversion multiplier: 907.18474
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: ston_av
unit symbol: t

kilonewton per metre
type: Concept
definition: 1000-fold of the derived SI unit newton divided by the SI base unit metre.
in scheme: Unit of measure
notation: N31
conversion multiplier: 1000.0
dimension vector: M1 T-2
rec20 quantity: surface tension
rec20 sector: Mechanics
ucum code: kN.m-1
unit symbol: kN/m

kilojoule per minute
type: Concept
definition: Quotient from the 1000-fold of the derived SI unit joule divided by the unit minute.
in scheme: Unit of measure
notation: P19
conversion multiplier: 16.666666666666668
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: kJ.min-1
unit symbol: kJ/min

dyne centimetre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: J94
conversion multiplier: 1e-07
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: dyn.cm
unit symbol: dyn·cm

erg per square centimetre second
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A65
conversion multiplier: 0.001
dimension vector: M1 T-3
rec20 quantity: energy fluence rate, (energy flux density)
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: erg.cm-2.s-1
unit symbol: erg/(cm²·s)

megalitre
type: Concept
in scheme: Unit of measure
notation: MAL
conversion multiplier: 1000.0
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: ML
unit symbol: Ml

centimetre per second kelvin
type: Concept
in scheme: Unit of measure
notation: J84
conversion multiplier: 0.01
dimension vector: L1 Θ-1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: cm.s-1.K-1
unit symbol: (cm/s)/K

Flow rate units
type: Collection
definition: Units of measure grouped by quantity kind: flow rate.
member: milligram per minute bar
member: pint (US liquid) per day
member: bushel (UK) per minute
member: kilogram per second bar
member: gallon (UK) per second
member: mole per hour
member: barrel (UK petroleum) per second
member: litre per second
member: tonne per year
member: milligram per hour kelvin
member: watt per square metre
member: British thermal unit (thermochemical) per minute
member: quart (UK liquid) per second
member: pint (UK) per minute
member: pound (avoirdupois) per second
member: cubic centimetre per day bar
member: ounce (UK fluid) per minute
member: psi cubic inch per second
member: cubic metre per minute bar
member: cubic metre per second pascal
member: litre per hour kelvin
member: quart (US liquid) per minute
member: ounce (US fluid) per day
member: ton short per day
member: tonne per day
member: British thermal unit (international table) per square inch second
member: kilogram per second
member: millilitre per second kelvin
member: kilopound per hour
member: tonne per second bar
member: kilocalorie (thermochemical) per second
member: milligram per day
member: slug per hour
member: millilitre per hour
member: cubic inch per second
member: cubic metre per second bar
member: peck (UK) per second
member: Standard cubic metre per day
member: pound (avoirdupois) per second psi
member: kilogram per day bar
member: pint (US liquid) per minute
member: gram per hertz
member: milligram per day kelvin
member: bar litre per second
member: cubic decimetre per hour
member: kilocalorie (thermochemical) per hour
member: barrel (UK petroleum) per hour
member: barrel (US) per minute
member: bushel (US dry) per second
member: ounce (avoirdupois) per day
member: millilitre per day bar
member: cubic decimetre per minute
member: cubic metre per minute
member: gill (UK) per second
member: pint (US liquid) per second
member: calorie (thermochemical) per second
member: millilitre per day kelvin
member: gram per minute
member: psi litre per second
member: peck (UK) per minute
member: ounce (US fluid) per minute
member: mole per minute
member: tonne per day kelvin
member: megawatts per minute
member: quart (US liquid) per day
member: gram per minute kelvin
member: Normalized cubic metre per day
member: tonne per second
member: tonne per minute kelvin
member: milligram per minute
member: tonne per minute bar
member: bushel (UK) per hour
member: gram per day
member: bar cubic metre per second
member: calorie (thermochemical) per square centimetre second
member: cubic decimetre per second
member: quart (US liquid) per second

watt per metre kelvin
type: Concept
in scheme: Unit of measure
notation: D53
conversion multiplier: 1.0
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: W.m-1.K-1
unit symbol: W/(m·K)

candela per square metre
type: Concept
in scheme: Unit of measure
notation: A24
conversion multiplier: 1.0
dimension vector: L-2 J1
rec20 quantity: luminance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: cd.m-2
unit symbol: cd/m²

square metre per second bar
type: Concept
in scheme: Unit of measure
notation: G41
conversion multiplier: 1e-05
dimension vector: L3 M-1 T1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: m2.s-1.bar-1
unit symbol: m²/(s·bar)

mil
type: Concept
definition: Unit to indicate an angle at military zone, equal to the 6400th part of the full circle of the 360° or 2·p·rad.
in scheme: Unit of measure
notation: M43
rec20 quantity: angle (plane)
rec20 sector: Space and Time
unit symbol: mil

footlambert
type: Concept
definition: Unit of the luminance according to the Anglo-American system of units, defined as emitted or reflected luminance of a lm/ft².
in scheme: Unit of measure
notation: P29
conversion multiplier: 3.4262591
dimension vector: L-2 J1
rec20 quantity: luminance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: [ft-Lmb]
unit symbol: ftL

hundred pound (cwt) / hundred weight (US)
type: Concept
in scheme: Unit of measure
notation: CWA
conversion multiplier: 45.359237
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [scwt_av]
unit symbol: cwt (US)

kilogram metre
type: Concept
definition: Unit of imbalance as a product of the SI base unit kilogram and the SI base unit metre.
in scheme: Unit of measure
notation: M94
conversion multiplier: 1.0
dimension vector: L1 M1
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: kg.m
unit symbol: kg·m

kilowatt
type: Concept
in scheme: Unit of measure
notation: KWT
conversion multiplier: 1000.0
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 quantity: heat flow rate
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
rec20 sector: Mechanics
rec20 sector: Heat
ucum code: kW
unit symbol: kW

chain (based on U.S. survey foot)
type: Concept
definition: Unit of the length according the Anglo-American system of units.
in scheme: Unit of measure
notation: M49
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
unit symbol: ch (US survey)

foot per psi
type: Concept
in scheme: Unit of measure
notation: K17
conversion multiplier: 4.420750047668715e-05
dimension vector: L2 M-1 T2
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [ft_i].[psi]-1
unit symbol: ft/psi

inch of mercury
type: Concept
in scheme: Unit of measure
notation: F79
conversion multiplier: 3386.389
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [in_i'Hg]
unit symbol: inHg

watt per steradian square metre
type: Concept
in scheme: Unit of measure
notation: D58
conversion multiplier: 1.0
dimension vector: M1 T-3
rec20 quantity: radiance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: W.m-2.sr-1
unit symbol: W/(sr·m²)

degree Fahrenheit hour per British thermal unit (thermochemical)
type: Concept
definition: Non SI-conforming unit of the thermal resistance according to the Imperial system of units.
in scheme: Unit of measure
notation: N85
conversion multiplier: 1.8969028294866048
dimension vector: L-2 M-1 Θ1 T3
rec20 quantity: thermal resistance
rec20 sector: Heat
ucum code: [degF].h.[Btu_th]-1
unit symbol: ºF/(Btuth/h)

megavolt per metre
type: Concept
in scheme: Unit of measure
notation: B79
conversion multiplier: 1000000.0
dimension vector: I-1 L1 M1 T-3
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: MV.m-1
unit symbol: MV/m

kilomole per hour
type: Concept
in scheme: Unit of measure
notation: K58
conversion multiplier: 0.277777777777778
dimension vector: N1 T-1
rec20 quantity: molar flux
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kmol.h-1
unit symbol: kmol/h

hundred weight (UK)
type: Concept
in scheme: Unit of measure
notation: CWI
conversion multiplier: 50.80235
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [lcwt_av]
unit symbol: cwt (UK)

gram per metre (gram per 100 centimetres)
type: Concept
in scheme: Unit of measure
notation: GF
conversion multiplier: 0.001
dimension vector: L-1 M1
rec20 quantity: linear density, linear mass
rec20 sector: Mechanics
ucum code: g.m-1
unit symbol: g/m

dyne per centimetre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: DX
conversion multiplier: 0.001
dimension vector: M1 T-2
rec20 quantity: surface tension
rec20 sector: Mechanics
ucum code: dyn.cm-1
unit symbol: dyn/cm

watt per kelvin
type: Concept
in scheme: Unit of measure
notation: D52
conversion multiplier: 1.0
dimension vector: L2 M1 Θ-1 T-3
rec20 quantity: thermal conductance
rec20 sector: Heat
ucum code: W.K-1
unit symbol: W/K

newton per square metre
type: Concept
in scheme: Unit of measure
notation: C55
conversion multiplier: 1.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: N.m-2
unit symbol: N/m²

kilogram per day kelvin
type: Concept
in scheme: Unit of measure
notation: F39
conversion multiplier: 1.1574074074074073e-05
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.d-1.K-1
unit symbol: kg/(d·K)

nanoohm
type: Concept
definition: 0,000 000 001-fold of the derived SI unit ohm.
in scheme: Unit of measure
notation: P22
conversion multiplier: 1e-09
dimension vector: I-2 L2 M1 T-3
rec20 quantity: resistance (to direct current), impedance, (complex impedances), modulus of impedance, resistance (to alternating current), reactance
rec20 sector: Electricity and Magnetism
unit symbol: nΩ

week
type: Concept
in scheme: Unit of measure
notation: WEE
conversion multiplier: 604800.0
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: wk
unit symbol: wk

pound per cubic foot
type: Concept
in scheme: Unit of measure
notation: 87
conversion multiplier: 16.018463373960138
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lb_av].[cft_i]-1
unit symbol: lb/ft³

litre per minute bar
type: Concept
in scheme: Unit of measure
notation: G84
conversion multiplier: 1.6666666666666666e-10
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.min-1.bar-1
unit symbol: l/(min·bar)

cubic metre per second kelvin
type: Concept
in scheme: Unit of measure
notation: G72
conversion multiplier: 1.0
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.s-1.K-1
unit symbol: m³/(s·K)

ampere per pascal
type: Concept
definition: SI base unit ampere divided by the derived SI unit pascal.
in scheme: Unit of measure
notation: N93
conversion multiplier: 1.0
dimension vector: I1 L1 M-1 T2
rec20 quantity: current density
rec20 sector: Electricity and Magnetism
ucum code: A.Pa-1
unit symbol: A/Pa

millicoulomb
type: Concept
in scheme: Unit of measure
notation: D86
conversion multiplier: 0.001
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: mC
unit symbol: mC

oscillations per minute
type: Concept
definition: The number of oscillation per minute
in scheme: Unit of measure
notation: OPM
rec20 quantity: frequency
rec20 sector: Periodic and related phenomena
unit symbol: o/min

pint (US)
type: Concept
deprecated: true
definition: Use liquid pint (common code PTL)
in scheme: Unit of measure
notation: PT
conversion multiplier: 0.0004731765
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [pt_us]
unit symbol: pt (US)

Volume units
type: Collection
definition: Units of measure grouped by quantity kind: volume.
member: cubic millimetre
member: cubic foot
member: nanolitre
member: litre per kilogram
member: ton, register
member: dry barrel (US)
member: cubic decimetre
member: cubic decametre
member: bushel (US)
member: teaspoon (US)
member: millilitre
member: dry gallon (US)
member: ton (US shipping)
member: liquid pint (US)
member: cubic metre per mole
member: cubic inch
member: cubic yard
member: femtolitre
member: cubic metre
member: pint (UK)
member: tablespoon (US)
member: gallon (US)
member: cubic centimetre per bar
member: decilitre per gram
member: cubic centimetre per mole
member: quart (UK)
member: litre per mole
member: decalitre
member: cubic kilometre
member: picolitre
member: pint (US dry)
member: bushel (UK)
member: millilitre per kelvin
member: peck
member: quart (US)
member: millilitre per kilogram
member: Normalised cubic metre
member: cubic foot per degree Fahrenheit
member: litre per kelvin
member: dry pint (US)
member: hectolitre
member: cord (128 ft3)
member: cubic centimetre
member: barrel (UK petroleum)
member: millilitre per bar
member: square centimetre per gram
member: litre
member: gallon (UK)
member: Standard cubic metre
member: cubic mile (UK statute)
member: cubic decimetre per mole
member: megalitre
member: barrel (US)
member: cubic metre per pascal
member: fluid ounce (US)
member: decilitre
member: centilitre
member: cubic metre per kelvin
member: cubic metre per kilogram
member: microlitre
member: cubic metre per bar
member: pint (US)
member: cubic yard per degree Fahrenheit
member: millilitre per cubic metre
member: cubic foot per pound
member: acre-foot (based on U.S. survey foot)
member: dry quart (US)
member: liquid quart (US)
member: peck (UK)
member: standard cubic foot
member: cubic decimetre per kilogram
member: kilolitre
member: cubic yard per psi
member: stere
member: cubic hectometre
member: cup [unit of volume]
member: cubic inch per pound

mole per cubic metre kelvin
type: Concept
in scheme: Unit of measure
notation: L28
conversion multiplier: 1.0
dimension vector: N1 L-3 Θ-1
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.m-3.K-1
unit symbol: (mol/m³)/K

kilocalorie (thermochemical) per hour
type: Concept
in scheme: Unit of measure
notation: E15
conversion multiplier: 1.162230555555556
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: kcal_th.h-1
unit symbol: kcalth/h

square centimetre per erg
type: Concept
in scheme: Unit of measure
notation: D16
conversion multiplier: 1000.0
dimension vector: M-1 T2
rec20 quantity: spectral cross-section
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: cm2.erg-1
unit symbol: cm²/erg

becquerel
type: Concept
in scheme: Unit of measure
notation: BQL
conversion multiplier: 1.0
dimension vector: T-1
rec20 quantity: activity
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Atomic and Nuclear Physics
ucum code: Bq
unit symbol: Bq

picovolt
type: Concept
definition: 0,000 000 000 001-fold of the derived SI unit volt.
in scheme: Unit of measure
notation: N99
conversion multiplier: 1e-12
dimension vector: I-1 L2 M1 T-3
rec20 quantity: electric potential, potential difference, tension, voltage, electromotive force
rec20 sector: Electricity and Magnetism
unit symbol: pV

decilitre per gram
type: Concept
in scheme: Unit of measure
notation: 22
conversion multiplier: 0.1
dimension vector: L3 M-1
rec20 quantity: specific volume, massic volume
rec20 sector: Mechanics
ucum code: dL.g-1
unit symbol: dl/g

terahertz
type: Concept
in scheme: Unit of measure
notation: D29
conversion multiplier: 1000000000000.0
dimension vector: T-1
rec20 quantity: frequency
rec20 sector: Periodic and related phenomena
ucum code: THz
unit symbol: THz

cubic centimetre per second
type: Concept
in scheme: Unit of measure
notation: 2J
conversion multiplier: 1e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.s-1
unit symbol: cm³/s

kilogram per metre hour
type: Concept
definition: Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the unit hour.
in scheme: Unit of measure
notation: N40
conversion multiplier: 0.000277777777777778
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: kg.m-1.h-1
unit symbol: kg/(m·h)

joule per cubic metre
type: Concept
in scheme: Unit of measure
notation: B8
conversion multiplier: 1.0
dimension vector: L-1 M1 T-2
rec20 quantity: electromagnetic energy density, volumic electromagnetic energy
rec20 quantity: radiant energy density
rec20 quantity: sound energy density, volumic, sound energy
rec20 sector: Acoustics
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Electricity and Magnetism
ucum code: J.m-3
unit symbol: J/m³

kilogram square millimetre
type: Concept
in scheme: Unit of measure
notation: F19
conversion multiplier: 1e-06
dimension vector: L2 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.mm2
unit symbol: kg·mm²

nanocoulomb
type: Concept
in scheme: Unit of measure
notation: C40
conversion multiplier: 1e-09
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: nC
unit symbol: nC

yard per minute
type: Concept
definition: Unit yard according to the Anglo-American and Imperial system of units divided by the unit minute.
in scheme: Unit of measure
notation: M65
conversion multiplier: 0.01524
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [yd_i].min-1
unit symbol: yd/min

nanotesla
type: Concept
in scheme: Unit of measure
notation: C48
conversion multiplier: 1e-09
dimension vector: I-1 M1 T-2
rec20 quantity: magnetic flux density, magnetic induction, magnetic polarization
rec20 sector: Electricity and Magnetism
ucum code: nT
unit symbol: nT

pint (UK) per second
type: Concept
in scheme: Unit of measure
notation: L56
conversion multiplier: 0.0005682613
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pt_br].s-1
unit symbol: pt (UK)/s

Frequency units
type: Collection
definition: Units of measure grouped by quantity kind: frequency.
member: reciprocal hour
member: oscillations per minute
member: terahertz
member: megahertz
member: hertz
member: reciprocal minute
member: revolutions per minute
member: octave
member: gigahertz
member: reciprocal month
member: reciprocal year
member: second per cubic metre radian
member: radian per second
member: revolutions per second
member: reciprocal second
member: kilohertz
member: millihertz
member: reciprocal week

decagram
type: Concept
in scheme: Unit of measure
notation: DJ
conversion multiplier: 0.01
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: dag
unit symbol: dag

milligram per kelvin
type: Concept
in scheme: Unit of measure
notation: F16
conversion multiplier: 1e-06
dimension vector: M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: mg.K-1
unit symbol: mg/K

lux hour
type: Concept
in scheme: Unit of measure
notation: B63
conversion multiplier: 3600.0
dimension vector: L-2 J1 T1
rec20 quantity: light exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: lx.h
unit symbol: lx·h

gigaohm metre
type: Concept
in scheme: Unit of measure
notation: A88
conversion multiplier: 1000000000.0
dimension vector: I-2 L3 M1 T-3
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
ucum code: GOhm.m
unit symbol: GΩ·m

kilogram per kilometre
type: Concept
in scheme: Unit of measure
notation: M31
conversion multiplier: 0.001
dimension vector: L-1 M1
rec20 quantity: linear density, linear mass
rec20 sector: Mechanics
ucum code: kg.km-1
unit symbol: kg/km

British thermal unit (international table) per pound degree Rankine
type: Concept
in scheme: Unit of measure
notation: A21
conversion multiplier: 426.9
dimension vector: L1 Θ-1
rec20 quantity: specific heat capacity at: - constant pressure, -constant volume,- saturation
rec20 sector: Heat
ucum code: [Btu_IT].[lbf_av]-1.[degR]-1
unit symbol: Btu/IT(lb·°R)

British thermal unit (thermochemical) per square foot second
type: Concept
definition: Unit of the surface heat flux according to the Imperial system of units.
in scheme: Unit of measure
notation: N54
conversion multiplier: 11348.931794912201
dimension vector: M1 T-3
rec20 quantity: density of heat flow rate
rec20 sector: Heat
ucum code: [Btu_th].[ft_i]-2.s-1
unit symbol: Btuth/(ft²·s)

kilogram per minute bar
type: Concept
in scheme: Unit of measure
notation: F68
conversion multiplier: 1.6666666666666668e-07
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.min-1.bar-1
unit symbol: kg/(min·bar)

kelvin per kelvin
type: Concept
in scheme: Unit of measure
notation: F02
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: K.K-1
unit symbol: K/K

henry per metre
type: Concept
in scheme: Unit of measure
notation: A98
conversion multiplier: 1.0
dimension vector: I-2 L1 M1 T-2
rec20 quantity: permeability, permeability of vacuum, magnetic constant
rec20 sector: Electricity and Magnetism
ucum code: H.m-1
unit symbol: H/m

kilohertz
type: Concept
in scheme: Unit of measure
notation: KHZ
conversion multiplier: 1000.0
dimension vector: T-1
rec20 quantity: frequency
rec20 sector: Periodic and related phenomena
ucum code: kHz
unit symbol: kHz

micropascal
type: Concept
in scheme: Unit of measure
notation: B96
conversion multiplier: 1e-06
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: uPa
unit symbol: µPa

poise per pascal
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit poise divided by the derived SI unit pascal.
in scheme: Unit of measure
notation: N35
conversion multiplier: 0.1
dimension vector: T1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: P.Pa-1
unit symbol: P/Pa

pound (avoirdupois) per degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K64
conversion multiplier: 0.8164663
dimension vector: M1 Θ-1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [lb_av].[degF]-1
unit symbol: lb/°F

technical atmosphere
type: Concept
deprecated: true
in scheme: Unit of measure
notation: ATT
conversion multiplier: 98066.5
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: att
unit symbol: at

henry per kiloohm
type: Concept
in scheme: Unit of measure
notation: H03
conversion multiplier: 0.001
dimension vector: T1
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: H.kOhm-1
unit symbol: H/kΩ

milligray per second
type: Concept
definition: 0,001-fold of the derived SI unit gray divided by the SI base unit second.
in scheme: Unit of measure
notation: P54
conversion multiplier: 0.001
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mGy.s-1
unit symbol: mGy/s

gram
type: Concept
in scheme: Unit of measure
notation: GRM
conversion multiplier: 0.001
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: g
unit symbol: g

pound per cubic yard
type: Concept
in scheme: Unit of measure
notation: K84
conversion multiplier: 0.5932764212577829
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lb_av].[cyd_i]-1
unit symbol: lb/yd³

millimetre per year
type: Concept
in scheme: Unit of measure
notation: H66
conversion multiplier: 3.168808781402895e-11
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: mm.a-1
unit symbol: mm/y

milligram per bar
type: Concept
in scheme: Unit of measure
notation: F75
conversion multiplier: 1e-11
dimension vector: L1 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: mg.bar-1
unit symbol: mg/bar

microsievert per second
type: Concept
definition: 0,000 001-fold of the derived SI unit sievert divided by the SI base unit second.
in scheme: Unit of measure
notation: P67
conversion multiplier: 1e-06
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: uSv.s-1
unit symbol: µSv/s

cubic decimetre per hour
type: Concept
in scheme: Unit of measure
notation: E92
conversion multiplier: 2.777778e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: dm3.h-1
unit symbol: dm³/h

curie per kilogram
type: Concept
in scheme: Unit of measure
notation: A42
conversion multiplier: 37000000000.0
dimension vector: M-1 T-1
rec20 quantity: specific activity in a sample
rec20 sector: Atomic and Nuclear Physics
unit symbol: Ci/kg

foot to the fourth power
type: Concept
definition: Power of the unit foot according to the Anglo-American and Imperial system of units by exponent 4 according to NIST: 1 ft4 = 8,630 975 m4.
in scheme: Unit of measure
notation: N27
conversion multiplier: 0.0086309748412416
dimension vector: L4
rec20 quantity: second polar moment of area
rec20 sector: Mechanics
unit symbol: ft⁴

Gunter's chain
type: Concept
definition: A unit of distance used or formerly used by British surveyors.
in scheme: Unit of measure
notation: X1
conversion multiplier: 20.1168
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [ch_br]
unit symbol: ch (UK)

milligray per minute
type: Concept
definition: 0,001-fold of the derived SI unit gray divided by the unit minute.
in scheme: Unit of measure
notation: P58
conversion multiplier: 1.6666666666666667e-05
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mGy.min-1
unit symbol: mGy/min

kilocalorie (international table) per hour metre degree Celsius
type: Concept
in scheme: Unit of measure
notation: K52
conversion multiplier: 1.163
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: kcal_IT.h-1.m-1.Cel-1
unit symbol: kcal/(m·h·°C)

light year
type: Concept
definition: A unit of length defining the distance that light travels in a vacuum in one year.
in scheme: Unit of measure
notation: B57
conversion multiplier: 9460730472580800.0
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [ly]
unit symbol: ly

Power units
type: Collection
definition: Units of measure grouped by quantity kind: power.
member: brake horse power
member: horsepower (electric)
member: megawatt
member: electronvolt square metre
member: picowatt
member: joule per metre
member: foot pound-force per second
member: megavolt - ampere
member: joule square metre per kilogram
member: millivolt - ampere
member: kilowatt
member: foot pound-force per hour
member: kilojoule per day
member: kilojoule per second
member: erg square centimetre
member: joule square metre
member: Pferdestaerke
member: electronvolt per metre
member: kilojoule per hour
member: joule per hour
member: erg per centimetre
member: erg square centimetre per gram
member: kilogram-force metre per second
member: nanowatt
member: erg per second
member: cheval vapeur
member: kilovolt - ampere
member: gigawatt
member: watt
member: megavar
member: volt - ampere
member: water horse power
member: foot pound-force per minute
member: joule per second
member: radian square metre per mole
member: joule per day
member: kilojoule per minute
member: microwatt
member: metric horse power
member: terawatt
member: horsepower (boiler)
member: kilovolt ampere (reactive)
member: joule per minute
member: milliwatt
member: var
member: electronvolt square metre per kilogram
member: kilovar

radian square metre per kilogram
type: Concept
in scheme: Unit of measure
notation: C83
conversion multiplier: 1.0
dimension vector: L2 M-1
rec20 quantity: massic optical, rotatory power, specific optical rotatory power
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: rad.m2.kg-1
unit symbol: rad·m²/kg

millilitre per second
type: Concept
in scheme: Unit of measure
notation: 40
conversion multiplier: 1e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.s-1
unit symbol: ml/s

nanosiemens per metre
type: Concept
in scheme: Unit of measure
notation: G45
conversion multiplier: 1e-09
dimension vector: I2 L-3 M-1 T3
rec20 quantity: conductivity
rec20 sector: Electricity and Magnetism
ucum code: nS.m-1
unit symbol: nS/m

quart (UK liquid) per day
type: Concept
in scheme: Unit of measure
notation: K94
conversion multiplier: 1.31542e-08
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [qt_br].d-1
unit symbol: qt (UK liq.)/d

kilogram
type: Concept
definition: A unit of mass equal to one thousand grams.
in scheme: Unit of measure
notation: KGM
conversion multiplier: 1.0
dimension vector: M1
rec20 quantity: mass excess
rec20 quantity: mass of atom (of a nuclide x), nuclidic mass
rec20 quantity: mass
rec20 quantity: mass of molecule
rec20 quantity: effective mass
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Mechanics
rec20 sector: Solid State Physics
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kg
unit symbol: kg

kilogram-force metre per second
type: Concept
deprecated: true
in scheme: Unit of measure
notation: B39
conversion multiplier: 9.80665
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 sector: Mechanics
ucum code: kgf.m.s-1
unit symbol: kgf·m/s

gallon (US) per hour
type: Concept
in scheme: Unit of measure
notation: G50
conversion multiplier: 1.051503e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gal_us].h-1
unit symbol: gal/h

millicoulomb per kilogram
type: Concept
in scheme: Unit of measure
notation: C8
conversion multiplier: 0.001
dimension vector: I1 M-1 T1
rec20 quantity: exposure
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mC.kg-1
unit symbol: mC/kg

mole per litre bar
type: Concept
in scheme: Unit of measure
notation: L27
conversion multiplier: 0.01
dimension vector: N1 L-2 M-1 T2
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.L-1.bar-1
unit symbol: (mol/l)/bar

tonne per minute
type: Concept
in scheme: Unit of measure
notation: L78
conversion multiplier: 16.666666666666668
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.min-1
unit symbol: t/min

ampere per square centimetre
type: Concept
in scheme: Unit of measure
notation: A4
conversion multiplier: 10000.0
dimension vector: I1 L-2
rec20 quantity: current density
rec20 sector: Electricity and Magnetism
ucum code: A.cm-2
unit symbol: A/cm²

microgram per litre
type: Concept
in scheme: Unit of measure
notation: H29
conversion multiplier: 1e-06
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: ug.L-1
unit symbol: µg/l

psi cubic metre per second
type: Concept
in scheme: Unit of measure
notation: K89
conversion multiplier: 6894.757
dimension vector: L2 M1 T-3
rec20 quantity: leakage rate of gas
rec20 sector: Mechanics
ucum code: [psi].m3.s-1
unit symbol: psi·m³/s

quart (US liquid) per second
type: Concept
in scheme: Unit of measure
notation: L11
conversion multiplier: 0.000946353
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [qt_us].s-1
unit symbol: qt (US liq.)/s

poundal second per square foot
type: Concept
definition: Non SI-conforming unit of viscosity.
in scheme: Unit of measure
notation: N34
conversion multiplier: 1.4881639435695537
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i].s-2.s.[ft_i]-2
unit symbol: (pdl/ft²)·s

millilitre per second bar
type: Concept
in scheme: Unit of measure
notation: G93
conversion multiplier: 1e-11
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.s-1.bar-1
unit symbol: ml/(s·bar)

reciprocal henry
type: Concept
in scheme: Unit of measure
notation: C89
conversion multiplier: 1.0
dimension vector: I2 L-2 M-1 T2
rec20 quantity: reluctance
rec20 sector: Electricity and Magnetism
ucum code: /H
unit symbol: H⁻¹

hertz metre
type: Concept
in scheme: Unit of measure
notation: H34
conversion multiplier: 1.0
dimension vector: L1 T-1
rec20 quantity: coefficient, performance characteristic
rec20 sector: Electricity and Magnetism
ucum code: Hz.m
unit symbol: Hz·m

reciprocal cubic foot
type: Concept
in scheme: Unit of measure
notation: K20
conversion multiplier: 35.31466
dimension vector: L-3
rec20 quantity: volumic number of molecules (or particles), number density of molecules (or particles), molecular concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: /[cft_i]
unit symbol: 1/ft³

microfarad
type: Concept
in scheme: Unit of measure
notation: 4O
conversion multiplier: 1e-06
dimension vector: I2 L-2 M-1 T4
rec20 quantity: capacitance
rec20 sector: Electricity and Magnetism
ucum code: uF
unit symbol: µF

British thermal unit (international table) per square foot
type: Concept
definition: Unit of the areal-related energy transmission according to the Imperial system of units.
in scheme: Unit of measure
notation: P37
conversion multiplier: 11356.5267
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: [Btu_IT].[ft_i]-2
unit symbol: BtuIT/ft²

minute [unit of time]
type: Concept
in scheme: Unit of measure
notation: MIN
conversion multiplier: 60.0
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: min
unit symbol: min

tropical year
type: Concept
definition: Unit of time equal to about 365.242 19 days. Synonym: solar year
in scheme: Unit of measure
notation: D42
conversion multiplier: 31556925.216
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: a_t
unit symbol: y (tropical)

radian per metre
type: Concept
in scheme: Unit of measure
notation: C84
conversion multiplier: 1.0
dimension vector: L-1
rec20 quantity: Debye angular repetency, Debye angular wave number
rec20 quantity: angular repetency, angular wavenumber
rec20 quantity: angular wave number, angular repetency
rec20 sector: Acoustics
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Solid State Physics
ucum code: rad.m-1
unit symbol: rad/m

calorie (international table)
type: Concept
deprecated: true
in scheme: Unit of measure
notation: D70
conversion multiplier: 4.1868
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
ucum code: cal_IT
unit symbol: calIT

terawatt
type: Concept
in scheme: Unit of measure
notation: D31
conversion multiplier: 1000000000000.0
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: TW
unit symbol: TW

degree Fahrenheit per hour
type: Concept
in scheme: Unit of measure
notation: J23
conversion multiplier: 0.000154320987654321
dimension vector: Θ1 T-1
rec20 quantity: temperature variation over time
rec20 sector: Heat
ucum code: [degF].h-1
unit symbol: °F/h

millimole per litre
type: Concept
in scheme: Unit of measure
notation: M33
conversion multiplier: 1.0
dimension vector: N1 L-3
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mmol.L-1
unit symbol: mmol/l

newton metre per kilogram
type: Concept
in scheme: Unit of measure
notation: G19
conversion multiplier: 1.0
dimension vector: L2 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: N.m.kg-1
unit symbol: N·m/kg

British thermal unit (thermochemical) per degree Fahrenheit
type: Concept
definition: Unit of the heat capacity according to the Imperial system of units.
in scheme: Unit of measure
notation: N61
conversion multiplier: 1897.8304761
dimension vector: L2 M1 Θ-1 T-2
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: [Btu_th].[degF]-1
unit symbol: Btuth/ºF

slug per hour
type: Concept
in scheme: Unit of measure
notation: L66
conversion multiplier: 0.004053861111111
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
unit symbol: slug/h

femtojoule
type: Concept
in scheme: Unit of measure
notation: A70
conversion multiplier: 1e-15
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 quantity: gap energy
rec20 sector: Mechanics
rec20 sector: Solid State Physics
ucum code: fJ
unit symbol: fJ

nanosievert per minute
type: Concept
definition: 0,000 000 001-fold of the derived SI unit sievert divided by the unit minute.
in scheme: Unit of measure
notation: P77
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
unit symbol: nSv/min

millipascal second
type: Concept
in scheme: Unit of measure
notation: C24
conversion multiplier: 0.001
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: mPa.s
unit symbol: mPa·s

pascal litre per second
type: Concept
in scheme: Unit of measure
notation: F99
conversion multiplier: 0.001
dimension vector: L2 M1 T-3
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: Pa.L.s-1
unit symbol: Pa·l/s

reciprocal volt - ampere reciprocal second
type: Concept
in scheme: Unit of measure
notation: M30
rec20 quantity: coefficient, performance characteristic
rec20 sector: Electricity and Magnetism
unit symbol: 1/(V·A·s)

Dimensionless quantity units
type: Collection
definition: Units of measure grouped by quantity kind: dimensionless quantity.
member: microgram per hectogram
member: bel
member: kilopascal per metre
member: pH (potential of Hydrogen)
member: technical atmosphere per metre
member: decade (logarithmic)
member: British thermal unit (international table) per second square foot degree Fahrenheit
member: cubic foot per minute per square foot
member: British thermal unit (international table) per hour square foot degree Rankine
member: reciprocal kelvin or kelvin to the power minus one
member: standard atmosphere per metre
member: millipascal per metre
member: pascal per metre
member: reciprocal joule
member: neper
member: watt per square metre kelvin
member: calorie (thermochemical) per second square centimetre kelvin
member: gigahertz metre
member: reciprocal metre
member: megapascal per bar
member: volt per kelvin
member: reciprocal kilovolt - ampere reciprocal hour
member: reciprocal megakelvin or megakelvin to the power minus one
member: reciprocal second
member: psi per inch
member: microgram per kilogram
member: pascal per kelvin
member: megahertz kilometre
member: litre per litre
member: torr per metre
member: kilowatt per square metre kelvin
member: neper per second
member: metre
member: square metre per mole
member: megahertz metre
member: psi per psi
member: bar per kelvin
member: ampere square metre per joule second
member: British thermal unit (thermochemical) per second square foot degree Fahrenheit
member: square metre per kilogram
member: cubic metre per second
member: hertz metre
member: cubic metre per second square metre
member: decibel
member: square metre
member: cubic centimetre per cubic metre
member: millilitre per square centimetre second
member: millilitre per litre
member: hectopascal per bar
member: millivolt per kelvin
member: pascal per bar
member: kilohertz metre
member: British thermal unit (thermochemical) per hour square foot degree Fahrenheit
member: picopascal per kilometre
member: microlitre per litre
member: pound per pound
member: kilopascal per millimetre
member: kilopascal per bar
member: cubic decimetre per cubic metre
member: British thermal unit (international table) per hour square foot degree Fahrenheit
member: calorie (international table) per second square centimetre kelvin
member: one
member: kilopascal square metre per gram
member: reciprocal volt - ampere reciprocal second
member: kilogram per kilogram
member: hectopascal per metre
member: cubic metre per cubic metre
member: millibar per bar
member: British thermal unit (international table) per second square foot degree Rankine
member: pascal square metre per kilogram
member: milligram per kilogram
member: nanogram per kilogram
member: cubic millimetre per cubic metre
member: cubic metre per coulomb
member: square metre per second
member: bar per bar

poise
type: Concept
in scheme: Unit of measure
notation: 89
conversion multiplier: 0.1
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: P
unit symbol: P

pint (US liquid) per hour
type: Concept
in scheme: Unit of measure
notation: L58
conversion multiplier: 1.314379e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pt_us].h-1
unit symbol: pt (US liq.)/h

hour
type: Concept
in scheme: Unit of measure
notation: HUR
conversion multiplier: 3600.0
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: h
unit symbol: h

circular mil
type: Concept
definition: Unit of an area, of which the size is given by a diameter of length of 1 mm (0,001 in) based on the formula: area = p·(diameter/2)².
in scheme: Unit of measure
notation: M47
conversion multiplier: 5.067075e-10
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: [cml_i]
unit symbol: cmil

pound-force per foot
type: Concept
in scheme: Unit of measure
notation: F17
conversion multiplier: 14593.904199475066
dimension vector: M1 T-2
rec20 quantity: force divided by length
rec20 sector: Mechanics
ucum code: [klbf_av].[ft_i]-1
unit symbol: lbf/ft

hectobar
type: Concept
in scheme: Unit of measure
notation: HBA
conversion multiplier: 10000000.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: hbar
unit symbol: hbar

neper per second
type: Concept
in scheme: Unit of measure
notation: C51
conversion multiplier: 1.0
dimension vector: T-1
rec20 quantity: damping coefficient
rec20 sector: Acoustics
rec20 sector: Periodic and related phenomena
ucum code: Np.s-1
unit symbol: Np/s

square metre per steradian
type: Concept
in scheme: Unit of measure
notation: D24
conversion multiplier: 1.0
dimension vector: L2
rec20 quantity: angular cross-section
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: m2.sr-1
unit symbol: m²/sr

square centimetre
type: Concept
in scheme: Unit of measure
notation: CMK
conversion multiplier: 0.0001
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: cm2
unit symbol: cm²

cubic foot per hour
type: Concept
in scheme: Unit of measure
notation: 2K
conversion multiplier: 7.865792e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [cft_i].h-1
unit symbol: ft³/h

pound (avoirdupois) per minute degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K79
conversion multiplier: 0.013607771099999999
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lb_av].min-1.[degF]-1
unit symbol: lb/(min·°F)

inch per second psi
type: Concept
in scheme: Unit of measure
notation: K48
conversion multiplier: 3.6839583730572627e-06
dimension vector: L2 M-1 T1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [in_i].s-1.[psi]-1
unit symbol: (in/s)/psi

gigaohm
type: Concept
in scheme: Unit of measure
notation: A87
conversion multiplier: 1000000000.0
dimension vector: I-2 L2 M1 T-3
rec20 quantity: resistance (to direct current), impedance, (complex impedances), modulus of impedance, resistance (to alternating current), reactance
rec20 sector: Electricity and Magnetism
ucum code: GOhm
unit symbol: GΩ

litre per hour bar
type: Concept
in scheme: Unit of measure
notation: G83
conversion multiplier: 2.7777777777777777e-12
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.h-1.bar-1
unit symbol: l/(h·bar)

gill (US) per hour
type: Concept
in scheme: Unit of measure
notation: K37
conversion multiplier: 3.285947e-08
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gil_us].h-1
unit symbol: gi (US)/h

newton per ampere
type: Concept
in scheme: Unit of measure
notation: H40
conversion multiplier: 1.0
dimension vector: I-1 L1 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: N.A-1
unit symbol: N/A

centimetre per bar
type: Concept
in scheme: Unit of measure
notation: G04
conversion multiplier: 1e-07
dimension vector: L2 M-1 T2
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: cm.bar-1
unit symbol: cm/bar

cubic mile (UK statute)
type: Concept
definition: Unit of volume according to the Imperial system of units.
in scheme: Unit of measure
notation: M69
conversion multiplier: 4168181830.0
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [mi_i]3
unit symbol: mi³

kilogram per cubic centimetre kelvin
type: Concept
in scheme: Unit of measure
notation: G38
conversion multiplier: 1000000.0
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.cm-3.K-1
unit symbol: kg/(cm³·K)

British thermal unit (international table) per second foot degree Rankine
type: Concept
in scheme: Unit of measure
notation: A22
conversion multiplier: 6230.644798937007
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: [Btu_IT].s-1.[ft_i]-1.[degR]-1
unit symbol: BtuIT/(s·ft·°R)

cord (128 ft3)
type: Concept
definition: Traditional unit of the volume of stacked firewood which has been measured with a cord.
in scheme: Unit of measure
notation: M68
conversion multiplier: 3.62
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [crd_us]
unit symbol: cord

millimetre per degree Celcius metre
type: Concept
in scheme: Unit of measure
notation: E97
conversion multiplier: 0.001
dimension vector: Θ-1
rec20 quantity: thermal diffusivity
rec20 sector: Heat
ucum code: mm.Cel-1.m-1
unit symbol: mm/(°C·m)

coulomb per cubic millimetre
type: Concept
in scheme: Unit of measure
notation: A30
conversion multiplier: 1000000000.0
dimension vector: I1 L-3 T1
rec20 quantity: volume density of charge, charge density, volumic charge
rec20 sector: Electricity and Magnetism
ucum code: C.mm-3
unit symbol: C/mm³

peck (UK) per day
type: Concept
in scheme: Unit of measure
notation: L44
conversion multiplier: 1.05233576e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pk_br].d-1
unit symbol: pk (UK)/d

mole per kilogram kelvin
type: Concept
in scheme: Unit of measure
notation: L24
conversion multiplier: 1.0
dimension vector: N1 M-1 Θ-1
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.K-1.kg-1
unit symbol: (mol/kg)/K

square micrometre (square micron)
type: Concept
in scheme: Unit of measure
notation: H30
conversion multiplier: 1e-12
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: um2
unit symbol: µm²

volt second per metre
type: Concept
in scheme: Unit of measure
notation: H45
conversion multiplier: 1.0
dimension vector: I-1 L1 M1 T-2
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.s.m-1
unit symbol: V·s/m

becquerel per cubic metre
type: Concept
in scheme: Unit of measure
notation: A19
conversion multiplier: 1.0
dimension vector: L-3 T-1
rec20 quantity: volumic activity, activity concentration
rec20 sector: Atomic and Nuclear Physics
ucum code: Bq.m-3
unit symbol: Bq/m³

millimetre
type: Concept
in scheme: Unit of measure
notation: MMT
conversion multiplier: 0.001
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: mm
unit symbol: mm

Angle units
type: Collection
definition: Units of measure grouped by quantity kind: angle.
member: revolution
member: microradian
member: degree per metre
member: mil
member: steradian
member: radian
member: metre per radiant
member: inch per two pi radiant
member: milliradian
member: second [unit of angle]
member: degree [unit of angle]
member: degree per second
member: gon
member: minute [unit of angle]

hectopascal per kelvin
type: Concept
in scheme: Unit of measure
notation: F82
conversion multiplier: 100.0
dimension vector: L-1 M1 Θ-1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: hPa.K-1
unit symbol: hPa/K

technical atmosphere per metre
type: Concept
definition: Obsolete and non-legal unit of the pressure which is generated by a 10 metre water column divided by the SI base unit metre.
in scheme: Unit of measure
notation: P84
conversion multiplier: 98066.5
dimension vector: L-2 M1 T-2
rec20 quantity: hardness index
rec20 sector: Miscellaneous
ucum code: att.m-1
unit symbol: at/m

degree Fahrenheit per minute
type: Concept
in scheme: Unit of measure
notation: J24
conversion multiplier: 0.00925925925925926
dimension vector: Θ1 T-1
rec20 quantity: temperature variation over time
rec20 sector: Heat
ucum code: [degF].min-1
unit symbol: °F/min

pint (US dry)
type: Concept
deprecated: true
definition: Use dry pint (common code PTD)
in scheme: Unit of measure
notation: L61
conversion multiplier: 0.000550610471
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [dpt_us]
unit symbol: pt (US dry)

litre per second
type: Concept
in scheme: Unit of measure
notation: G51
conversion multiplier: 0.001
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.s-1
unit symbol: l/s

inch per second squared
type: Concept
in scheme: Unit of measure
notation: IV
conversion multiplier: 0.0254
dimension vector: L1 T-2
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
ucum code: [in_i].s-2
unit symbol: in/s²

square yard
type: Concept
in scheme: Unit of measure
notation: YDK
conversion multiplier: 0.83612736
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: [syd_i]
unit symbol: yd²

joule per hour
type: Concept
definition: Quotient from the derived SI unit joule divided by the unit hour.
in scheme: Unit of measure
notation: P16
conversion multiplier: 277777.77777777775
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: GJ.h-1
unit symbol: J/h

kilogram per metre second
type: Concept
definition: Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the SI base unit second.
in scheme: Unit of measure
notation: N37
conversion multiplier: 1.0
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: kg.m-1.s-1
unit symbol: kg/(m·s)

angstrom
type: Concept
in scheme: Unit of measure
notation: A11
conversion multiplier: 1e-10
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 quantity: wavelength
rec20 quantity: lattice plane spacing, Burgers vector
rec20 quantity: Bohr radius
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Solid State Physics
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Periodic and related phenomena
rec20 sector: Space and Time
ucum code: Ao
unit symbol: Å

barrel (UK petroleum) per day
type: Concept
in scheme: Unit of measure
notation: J59
conversion multiplier: 1.841587e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
unit symbol: bbl (UK liq.)/d

gray per minute
type: Concept
definition: SI derived unit gray divided by the unit minute.
in scheme: Unit of measure
notation: P57
conversion multiplier: 0.016666666666666666
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: Gy.min-1
unit symbol: Gy/min

gigawatt
type: Concept
in scheme: Unit of measure
notation: A90
conversion multiplier: 1000000000.0
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
rec20 sector: Mechanics
ucum code: GW
unit symbol: GW

tonne per kelvin
type: Concept
in scheme: Unit of measure
notation: L69
conversion multiplier: 1000.0
dimension vector: M1 Θ-1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: t.K-1
unit symbol: t/K

kilogram centimetre per second
type: Concept
definition: Product of the SI base unit kilogram and the 0,01-fold of the SI base unit metre divided by the SI base unit second.
in scheme: Unit of measure
notation: M98
conversion multiplier: 0.01
dimension vector: L1 M1 T-1
rec20 quantity: momentum
rec20 sector: Mechanics
ucum code: kg.cm.s-1
unit symbol: kg·(cm/s)

decare
type: Concept
in scheme: Unit of measure
notation: DAA
conversion multiplier: 1000.0
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: daar
unit symbol: daa

weber
type: Concept
in scheme: Unit of measure
notation: WEB
conversion multiplier: 1.0
dimension vector: I-1 L2 M1 T-2
rec20 quantity: magnetic flux
rec20 quantity: magnetic flux quantum
rec20 sector: Solid State Physics
rec20 sector: Electricity and Magnetism
ucum code: Wb
unit symbol: Wb

kelvin per watt
type: Concept
in scheme: Unit of measure
notation: B21
conversion multiplier: 1.0
dimension vector: L-2 M-1 Θ1 T3
rec20 quantity: thermal resistance
rec20 sector: Heat
ucum code: K.W-1
unit symbol: K/W

pound per hour
type: Concept
in scheme: Unit of measure
notation: 4U
conversion multiplier: 0.00012599788055555556
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lb_av].h-1
unit symbol: lb/h

erg per gram
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A61
conversion multiplier: 0.0001
dimension vector: L2 T-2
rec20 quantity: kerma
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: erg.g-1
unit symbol: erg/g

British thermal unit (thermochemical) per pound degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: J50
conversion multiplier: 4184.000000044092
dimension vector: L2 Θ-1 T-2
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: [Btu_th].[lb_av]-1.[degF]-1
unit symbol: Btuth/(lb·°F)

litre per day
type: Concept
in scheme: Unit of measure
notation: LD
conversion multiplier: 1.157407e-08
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.d-1
unit symbol: l/d

joule square metre
type: Concept
in scheme: Unit of measure
notation: D73
conversion multiplier: 1.0
dimension vector: L4 M1 T-2
rec20 quantity: total atomic stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: J.m2
unit symbol: J·m²

megavolt - ampere
type: Concept
in scheme: Unit of measure
notation: MVA
conversion multiplier: 1000000.0
dimension vector: L2 M1 T-3
rec20 quantity: apparent power
rec20 sector: Electricity and Magnetism
ucum code: MVA
unit symbol: MV·A

kilometre per second
type: Concept
definition: 1000-fold of the SI base unit metre divided by the SI base unit second.
in scheme: Unit of measure
notation: M62
conversion multiplier: 1000.0
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: km.s-1
unit symbol: km/s

hectopascal
type: Concept
in scheme: Unit of measure
notation: A97
conversion multiplier: 100.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: hPa
unit symbol: hPa

coulomb per cubic centimetre
type: Concept
in scheme: Unit of measure
notation: A28
conversion multiplier: 1000000.0
dimension vector: I1 L-3 T1
rec20 quantity: volume density of charge, charge density, volumic charge
rec20 sector: Electricity and Magnetism
ucum code: C.cm-3
unit symbol: C/cm³

one
type: Concept
definition: Synonym: unit
in scheme: Unit of measure
notation: C62
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: Fourier number
rec20 quantity: relative mass excess, relative mass defect
rec20 quantity: thermal diffusion ratio, thermal diffusion factor
rec20 quantity: linear strain, relative elongation, shear strain, volume or bulk strain
rec20 quantity: spectral absorption factor, spectral absorptance, spectral reflectionfactor,spectral reflectance, spectral transmission factor, spectral transmittance, spectral radiance factor
rec20 quantity: standard absolute activity of B (in a gaseous mixture)
rec20 quantity: Prandtl number
rec20 quantity: CIE colorimetric functions
rec20 quantity: reactivity
rec20 quantity: proton number, atomic number
rec20 quantity: Madelung constant
rec20 quantity: Debye-Walle factor
rec20 quantity: Alfven number
rec20 quantity: relative atomic mass
rec20 quantity: absolute activity
rec20 quantity: Nusselt number
rec20 quantity: Strouhal number
rec20 quantity: charge number of ion
rec20 quantity: Peclet number
rec20 quantity: stoichiometric number of B
rec20 quantity: proton number
rec20 quantity: Lewis number
rec20 quantity: Landau-Ginzburg number
rec20 quantity: mobility ratio
rec20 quantity: Froude number
rec20 quantity: degree of dissociation
rec20 quantity: number of turns in a winding, number of phases, number of pairs of poles
rec20 quantity: Reynolds number
rec20 quantity: coordinates trichromatic
rec20 quantity: fast fission factor
rec20 quantity: activity of solvent A, relative activity of solvent A (especially in a dilute solution), osmotic coefficient of the solvent A (especially in a dilute solution), standard absolute activity of solvent A (especially in a dilute solution)
rec20 quantity: emissivity, spectral emissivity, emissivity at a specified wavelength, directional spectral emissivity
rec20 quantity: Cowling number
rec20 quantity: Knudsen number
rec20 quantity: poisson ratio, poisson number
rec20 quantity: multiplication factor, infinite medium multiplication factor, effective multiplication factor
rec20 quantity: nucleon number, mass number
rec20 quantity: fine structure constant
rec20 quantity: packing fraction, binding fraction
rec20 quantity: statistical weight
rec20 quantity: average logarithmic energy decrement
rec20 quantity: friction factor, coefficient of friction
rec20 quantity: magnetic quantum number
rec20 quantity: short-range order parameter, long-range order parameter
rec20 quantity: Grashof number
rec20 quantity: thermal utilization factor
rec20 quantity: mole fraction of B, mole ratio of solute B
rec20 quantity: Euler number
rec20 quantity: Nusselt number for mass transfer
rec20 quantity: total angular momentum quantum number
rec20 quantity: Grashof number for mass transfer
rec20 quantity: activity coefficient of solute B (especially in a dilute solution),standard absolute activity of solute B (especially in a dilute solution)
rec20 quantity: number of molecules or other elementary entities
rec20 quantity: standard equilibrium constant
rec20 quantity: neutron yield per fission, neutron yield per absorption
rec20 quantity: Fourier number for mass transfer
rec20 quantity: Stanton number for mass transfer
rec20 quantity: dissipation factor, dissipance, reflection factor, reflectance, transmission factor, transmittance, absorption factor, absorbance
rec20 quantity: nuclear spin quantum number
rec20 quantity: coupling coefficient, leakage coefficient
rec20 quantity: Mach number
rec20 quantity: Rayleigh number
rec20 quantity: Grüneisen parameter
rec20 quantity: Stanton number
rec20 quantity: electric susceptibility
rec20 quantity: Weber number
rec20 quantity: relative density, relative mass density
rec20 quantity: orbital angular momentum quantum number
rec20 quantity: refractive index
rec20 quantity: lethargy
rec20 quantity: Peclet number for mass transfer
rec20 quantity: optical density
rec20 quantity: luminous efficiency, spectral luminous efficiency,luminous efficiency at a specified wavelength

millilitre per minute
type: Concept
in scheme: Unit of measure
notation: 41
conversion multiplier: 1.666667e-08
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.min-1
unit symbol: ml/min

square metre per second kelvin
type: Concept
in scheme: Unit of measure
notation: G09
conversion multiplier: 1.0
dimension vector: L2 Θ-1 T-1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: m2.s-1.K-1
unit symbol: m²/(s·K)

volt
type: Concept
in scheme: Unit of measure
notation: VLT
conversion multiplier: 1.0
dimension vector: I-1 L2 M1 T-3
rec20 quantity: electric potential, potential difference, tension, voltage, electromotive force
rec20 quantity: thermoelectromotive force between substances a and b, Peltier coefficient for substances a and b
rec20 sector: Electricity and Magnetism
rec20 sector: Solid State Physics
ucum code: V
unit symbol: V

British thermal unit (59 ºF)
type: Concept
definition: Unit of heat energy according to the Imperial system of units in a reference temperature of 59 °F.
in scheme: Unit of measure
notation: N67
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
unit symbol: Btu (59 ºF)

gigabecquerel
type: Concept
in scheme: Unit of measure
notation: GBQ
conversion multiplier: 1000000000.0
dimension vector: T-1
rec20 quantity: activity
rec20 sector: Atomic and Nuclear Physics
ucum code: GBq
unit symbol: GBq

knot
type: Concept
in scheme: Unit of measure
notation: KNT
conversion multiplier: 0.5144444444444445
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [kn_i]
unit symbol: kn

metre per second
type: Concept
in scheme: Unit of measure
notation: MTS
conversion multiplier: 1.0
dimension vector: L1 T-1
rec20 quantity: velocity of sound (phase velocity), group velocity
rec20 quantity: (instantaneous) sound particle velocity
rec20 quantity: phase velocity of electromagnetic_x000D_ waves, phase speed of electromagnetic waves
rec20 quantity: velocity, phase velocity, group velocity
rec20 quantity: velocity (speed) on propagation of electromagnetic waves in vacuo
rec20 quantity: neutron speed
rec20 sector: Space and Time
rec20 sector: Acoustics
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Electricity and Magnetism
ucum code: m.s-1
unit symbol: m/s

gram per day kelvin
type: Concept
in scheme: Unit of measure
notation: F35
conversion multiplier: 1.1574074074074074e-08
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.d-1.K-1
unit symbol: g/(d·K)

inch of water
type: Concept
in scheme: Unit of measure
notation: F78
conversion multiplier: 249.080024
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [in_i'H2O]
unit symbol: inH₂O

kilogram per kilogram
type: Concept
in scheme: Unit of measure
notation: M29
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: mass ratio
rec20 sector: Mechanics
ucum code: kg.kg-1
unit symbol: kg/kg

Joule per standard cubic metre
type: Concept
definition: Joule per standard cubic metre (temperature 15°C and pressure 101325 millibars).
in scheme: Unit of measure
notation: Q42
rec20 sector: Mechanics

lux second
type: Concept
in scheme: Unit of measure
notation: B64
conversion multiplier: 1.0
dimension vector: L-2 J1 T1
rec20 quantity: light exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: lx.s
unit symbol: lx·s

kilojoule per hour
type: Concept
definition: Quotient from the 1000-fold of the derived SI unit joule divided by the unit hour.
in scheme: Unit of measure
notation: P20
conversion multiplier: 0.2777777777777778
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: kJ.h-1
unit symbol: kJ/h

inch per second
type: Concept
in scheme: Unit of measure
notation: IU
conversion multiplier: 0.0254
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [in_i].s-1
unit symbol: in/s

year
type: Concept
definition: Unit of time equal to 365,25 days. Synonym: Julian year
in scheme: Unit of measure
notation: ANN
conversion multiplier: 31557600.0
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: a
unit symbol: y

sievert
type: Concept
in scheme: Unit of measure
notation: D13
conversion multiplier: 1.0
dimension vector: L2 T-2
rec20 quantity: dose equivalent
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: Sv
unit symbol: Sv

kilomole per kilogram
type: Concept
definition: 1000-fold of the SI base unit mol divided by the SI base unit kilogram.
in scheme: Unit of measure
notation: P47
conversion multiplier: 1000.0
dimension vector: N1 M-1
rec20 quantity: ionic strength
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kmol.kg-1
unit symbol: kmol/kg

cubic foot
type: Concept
in scheme: Unit of measure
notation: FTQ
conversion multiplier: 0.028316846592
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [cft_i]
unit symbol: ft³

conventional metre of water
type: Concept
definition: Not SI-conforming unit of pressure, whereas a value of 1 mH2O is equivalent to the static pressure, which is produced by one metre high water column .
in scheme: Unit of measure
notation: N23
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
unit symbol: mH₂O

foot per minute
type: Concept
in scheme: Unit of measure
notation: FR
conversion multiplier: 0.00508
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [ft_i].min-1
unit symbol: ft/min

joule per minute
type: Concept
definition: Quotient from the derived SI unit joule divided by the unit minute.
in scheme: Unit of measure
notation: P15
conversion multiplier: 0.016666666666666666
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: J.min-1
unit symbol: J/min

millifarad
type: Concept
in scheme: Unit of measure
notation: C10
conversion multiplier: 0.001
dimension vector: I2 L-2 M-1 T4
rec20 quantity: capacitance
rec20 sector: Electricity and Magnetism
ucum code: mF
unit symbol: mF

pound-force per inch
type: Concept
in scheme: Unit of measure
notation: F48
conversion multiplier: 175.12685
dimension vector: M1 T-2
rec20 quantity: force divided by length
rec20 sector: Mechanics
ucum code: [lbf_av].[in_i]-1
unit symbol: lbf/in

kilopound-force
type: Concept
definition: 1000-fold of the unit of the force pound-force (lbf) according to the Anglo-American system of units with the relationship.
in scheme: Unit of measure
notation: M75
conversion multiplier: 4448.222
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: k[lbf_av]
unit symbol: kip

kilogram per second pascal
type: Concept
definition: SI base unit kilogram divided by the product of the SI base unit second and the derived SI unit pascal.
in scheme: Unit of measure
notation: M87
conversion multiplier: 1.0
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.s-1.Pa-1
unit symbol: (kg/s)/Pa

centimetre per second bar
type: Concept
in scheme: Unit of measure
notation: J85
conversion multiplier: 1e-07
dimension vector: L2 M-1 T1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: cm.s-1.bar-1
unit symbol: (cm/s)/bar

milligram per minute bar
type: Concept
in scheme: Unit of measure
notation: F72
conversion multiplier: 1.6666666666666667e-13
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg.min-1.bar-1
unit symbol: mg/(min·bar)

gray
type: Concept
in scheme: Unit of measure
notation: A95
conversion multiplier: 1.0
dimension vector: L2 T-2
rec20 quantity: specific energy imparted, massic energy imparted
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: Gy
unit symbol: Gy

parsec
type: Concept
in scheme: Unit of measure
notation: C63
conversion multiplier: 3.085678e+16
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: pc
unit symbol: pc

tonne per cubic metre
type: Concept
in scheme: Unit of measure
notation: D41
conversion multiplier: 1000.0
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: t.m-3
unit symbol: t/m³

calorie (thermochemical) per second
type: Concept
in scheme: Unit of measure
notation: J82
conversion multiplier: 4.184
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: cal_th.s-1
unit symbol: calth/s

milligram per cubic metre kelvin
type: Concept
in scheme: Unit of measure
notation: L17
conversion multiplier: 1e-06
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: mg.m-3.K-1
unit symbol: (mg/m³)/K

microohm
type: Concept
in scheme: Unit of measure
notation: B94
conversion multiplier: 1e-06
dimension vector: I-2 L2 M1 T-3
rec20 quantity: resistance (to direct current), impedance, (complex impedances), modulus of impedance, resistance (to alternating current), reactance
rec20 sector: Electricity and Magnetism
ucum code: uOhm
unit symbol: µΩ

Hefner-Kerze
type: Concept
definition: Obsolete, non-legal unit of the power in Germany relating to DIN 1301-3:1979: 1 HK = 0,903 cd.
in scheme: Unit of measure
notation: P35
dimension vector: J1
rec20 quantity: luminous intensity
rec20 sector: Light and Related Electromagnetic Radiations
unit symbol: HK

reciprocal minute
type: Concept
in scheme: Unit of measure
notation: C94
conversion multiplier: 0.016666666666666666
dimension vector: T-1
rec20 quantity: rotational frequency
rec20 sector: Periodic and related phenomena
ucum code: /min
unit symbol: min⁻¹

British thermal unit (international table) per degree Fahrenheit
type: Concept
definition: Unit of the heat capacity according to the Imperial system of units.
in scheme: Unit of measure
notation: N60
conversion multiplier: 1899.100535
dimension vector: L2 M1 Θ-1 T-2
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: [Btu_IT].[degF]-1
unit symbol: BtuIT/ºF

cubic centimetre per hour kelvin
type: Concept
in scheme: Unit of measure
notation: G62
conversion multiplier: 2.7777777777777777e-10
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.h-1.K-1
unit symbol: cm³/(h·K)

terawatt hour
type: Concept
in scheme: Unit of measure
notation: D32
conversion multiplier: 3600000000000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: TW/h
unit symbol: TW·h

nanogray per hour
type: Concept
definition: 0,000 000 001-fold of the derived SI unit gray divided by the unit hour.
in scheme: Unit of measure
notation: P64
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
unit symbol: nGy/h

gram per hour bar
type: Concept
in scheme: Unit of measure
notation: F63
conversion multiplier: 2.7777777777777777e-12
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.h-1.bar-1
unit symbol: g/(h·bar)

electronvolt
type: Concept
in scheme: Unit of measure
notation: A53
conversion multiplier: 1.602176634e-19
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 quantity: Fermi energy
rec20 quantity: maximum beta particle energy, beta disintegration energy
rec20 quantity: resonance energy
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Mechanics
rec20 sector: Solid State Physics
ucum code: eV
unit symbol: eV

erg square centimetre per gram
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A67
conversion multiplier: 1e-08
dimension vector: L4 T-2
rec20 quantity: total mass stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: erg.cm2.g-1
unit symbol: erg·cm²/g

millinewton
type: Concept
in scheme: Unit of measure
notation: C20
conversion multiplier: 0.001
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: mN
unit symbol: mN

teraohm
type: Concept
in scheme: Unit of measure
notation: H44
conversion multiplier: 1000000000000.0
dimension vector: I-2 L2 M1 T-3
rec20 quantity: resistance (to direct current), impedance, (complex impedances), modulus of impedance, resistance (to alternating current), reactance
rec20 sector: Electricity and Magnetism
ucum code: TOhm
unit symbol: TΩ

mole per minute
type: Concept
in scheme: Unit of measure
notation: L30
conversion multiplier: 0.016666667
dimension vector: N1 T-1
rec20 quantity: molar flux
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.min-1
unit symbol: mol/min

quart (UK)
type: Concept
in scheme: Unit of measure
notation: QTI
conversion multiplier: 0.0011365225
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [qt_br]
unit symbol: qt (UK)

newton per millimetre
type: Concept
in scheme: Unit of measure
notation: F47
conversion multiplier: 1000.0
dimension vector: M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: N.mm-1
unit symbol: N/mm

reciprocal psi
type: Concept
in scheme: Unit of measure
notation: K93
conversion multiplier: 0.0001450377
dimension vector: L1 M-1 T2
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: [psi]-1
unit symbol: 1/psi

mole per kilogram bar
type: Concept
in scheme: Unit of measure
notation: L25
conversion multiplier: 1e-05
dimension vector: N1 L1 M-2 T2
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.kg-1.bar-1
unit symbol: (mol/kg)/bar

gill (UK) per minute
type: Concept
in scheme: Unit of measure
notation: K34
conversion multiplier: 2.367755e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gil_br].min-1
unit symbol: gi (UK)/min

watt
type: Concept
in scheme: Unit of measure
notation: WTT
conversion multiplier: 1.0
dimension vector: L2 M1 T-3
rec20 quantity: radiant power, (radiant energyflux)
rec20 quantity: power
rec20 quantity: sound power
rec20 quantity: heat flow rate
rec20 quantity: power (for direct current), active power
rec20 sector: Heat
rec20 sector: Acoustics
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Mechanics
rec20 sector: Electricity and Magnetism
ucum code: W
unit symbol: W

kilogram per day
type: Concept
in scheme: Unit of measure
notation: F30
conversion multiplier: 1.157407e-05
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.d-1
unit symbol: kg/d

phon
type: Concept
definition: A unit of subjective sound loudness. A sound has loudness p phons if it seems to the listener to be equal in loudness to the sound of a pure tone of frequency 1 kilohertz and strength p decibels.
in scheme: Unit of measure
notation: C69
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: loudness level
rec20 sector: Acoustics

pound-force second per square inch
type: Concept
in scheme: Unit of measure
notation: K92
conversion multiplier: 6894.75789
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: [lbf_av].s.[sin_i]-1
unit symbol: lbf·s/in²

British thermal unit (international table) per second square foot degree Rankine
type: Concept
in scheme: Unit of measure
notation: A20
conversion multiplier: 20441.748028008555
dimension vector: M1 Θ-1 T-3
rec20 quantity: surface coefficient of heat transfer
rec20 sector: Heat
ucum code: [Btu_IT].s-1.[ft_i]-2.[degR]-1
unit symbol: BtuIT/(s·ft²·°R)

British thermal unit (international table) per pound
type: Concept
in scheme: Unit of measure
notation: AZ
conversion multiplier: 2326.0
dimension vector: L2 T-2
rec20 quantity: massic Helmholtz free energy
rec20 sector: Heat
ucum code: [Btu_IT].[lb_av]-1
unit symbol: BtuIT/lb

pound inch squared
type: Concept
in scheme: Unit of measure
notation: F20
conversion multiplier: 0.0002926397
dimension vector: L2 M1
rec20 quantity: moment of inertia (dynamic moment of inertia)
rec20 sector: Mechanics
ucum code: [lb_av].[sin_i]
unit symbol: lb·in²

kilowatt per metre degree Celsius
type: Concept
definition: 1000-fold of the derived SI unit watt divided by the product of the SI base unit metre and the unit for temperature degree Celsius.
in scheme: Unit of measure
notation: N82
conversion multiplier: 1000.0
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: kW.m-1.Cel-1
unit symbol: kW/(m·°C)

kilogram per cubic centimetre bar
type: Concept
in scheme: Unit of measure
notation: G16
conversion multiplier: 10.0
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.cm-3.bar-1
unit symbol: kg/(cm³·bar)

kilocandela
type: Concept
definition: 1000-fold of the SI base unit candela.
in scheme: Unit of measure
notation: P33
conversion multiplier: 1000.0
dimension vector: J1
rec20 quantity: luminous intensity
rec20 sector: Light and Related Electromagnetic Radiations
unit symbol: kcd

newton metre per square metre
type: Concept
in scheme: Unit of measure
notation: M34
conversion multiplier: 1.0
dimension vector: M1 T-2
rec20 quantity: torsional stiffness, area-related torsional moment
rec20 sector: Mechanics
ucum code: N.m.m-2
unit symbol: N·m/m²

coulomb per metre
type: Concept
definition: Derived SI unit coulomb divided by the SI base unit metre.
in scheme: Unit of measure
notation: P10
conversion multiplier: 1.0
dimension vector: I1 L-1 T1
rec20 quantity: lineic charge
rec20 sector: Electricity and Magnetism
ucum code: C.m-1
unit symbol: C/m

ounce (US fluid) per hour
type: Concept
in scheme: Unit of measure
notation: K10
conversion multiplier: 8.214869e-09
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [foz_us].h-1
unit symbol: fl oz (US)/h

megawatts per minute
type: Concept
definition: A unit of power defining the total amount of bulk energy transferred or consumer per minute
in scheme: Unit of measure
notation: Q35
rec20 quantity: Power flow rate
rec20 sector: Mechanics
unit symbol: MW/min

gal
type: Concept
in scheme: Unit of measure
notation: A76
conversion multiplier: 0.01
dimension vector: L1 T-2
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
ucum code: Gal
unit symbol: Gal

gill (UK) per hour
type: Concept
in scheme: Unit of measure
notation: K33
conversion multiplier: 3.946258e-08
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gil_br].h-1
unit symbol: gi (UK)/h

calorie (thermochemical) per second centimetre kelvin
type: Concept
deprecated: true
in scheme: Unit of measure
notation: D38
conversion multiplier: 418.4
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: cal_th.s-1.cm-1.K-1
unit symbol: calth/(s·cm·K)

curie
type: Concept
in scheme: Unit of measure
notation: CUR
conversion multiplier: 37000000000.0
dimension vector: T-1
rec20 quantity: activity
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: Ci
unit symbol: Ci

gram per litre
type: Concept
in scheme: Unit of measure
notation: GL
conversion multiplier: 1.0
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.L-1
unit symbol: g/l

British thermal unit (international table) per square inch second
type: Concept
definition: Unit of the surface heat flux according to the Imperial system of units.
in scheme: Unit of measure
notation: N55
conversion multiplier: 1635339.8422406844
dimension vector: M1 T-3
rec20 quantity: density of heat flow rate
rec20 sector: Heat
ucum code: [Btu_IT].[in_i]-2.s-1
unit symbol: BtuIT/(in²·s)

foot pound-force per minute
type: Concept
in scheme: Unit of measure
notation: K16
conversion multiplier: 0.0225969678
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 sector: Mechanics
ucum code: [ft_i].[lbf_av].min-1
unit symbol: ft·lbf/min

cubic centimetre per hour bar
type: Concept
in scheme: Unit of measure
notation: G79
conversion multiplier: 2.7777777777777776e-15
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.h-1.bar-1
unit symbol: cm³/(h·bar)

franklin
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit of the electrical charge, where the charge amounts to exactly 1 Fr where the force of 1 dyn on an equal load is performed at a distance of 1 cm.
in scheme: Unit of measure
notation: N94
conversion multiplier: 3.3356409519815207e-10
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
unit symbol: Fr

ounce (UK fluid) per hour
type: Concept
in scheme: Unit of measure
notation: J96
conversion multiplier: 7.892517361111111e-09
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [foz_br].h-1
unit symbol: fl oz (UK)/h

degree [unit of angle]
type: Concept
in scheme: Unit of measure
notation: DD
conversion multiplier: 0.0174532925
dimension vector: 1
rec20 quantity: Bragg angle
rec20 quantity: angle (plane)
rec20 sector: Solid State Physics
rec20 sector: Space and Time
ucum code: deg
unit symbol: °

degree Fahrenheit hour square foot per British thermal unit (thermochemical)
type: Concept
in scheme: Unit of measure
notation: J19
conversion multiplier: 0.17622803944390722
dimension vector: M-1 Θ1 T3
rec20 quantity: thermal insulance, coefficient of thermal insulation
rec20 sector: Heat
ucum code: [degF].h-1.[ft_i]-2.[Btu_th]-1
unit symbol: °F·h·ft²/Btuth

reciprocal week
type: Concept
in scheme: Unit of measure
notation: H85
conversion multiplier: 1.653439e-06
dimension vector: T-1
rec20 quantity: frequency
rec20 sector: Periodic and related phenomena
ucum code: /wk
unit symbol: 1/wk

milligram per gram
type: Concept
in scheme: Unit of measure
notation: H64
conversion multiplier: 0.001
dimension vector: 1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: mg.g-1
unit symbol: mg/g

gallon (US)
type: Concept
in scheme: Unit of measure
notation: GLL
conversion multiplier: 0.003785412
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [gal_us]
unit symbol: gal (US)

square foot per second
type: Concept
definition: Synonym: foot squared per second
in scheme: Unit of measure
notation: S3
conversion multiplier: 0.09290304
dimension vector: L2 T-1
rec20 quantity: kinematic viscosity
rec20 quantity: thermal diffusivity
rec20 sector: Heat
rec20 sector: Mechanics
ucum code: [sft_i].s-1
unit symbol: ft²/s

kilowatt per square metre kelvin
type: Concept
definition: 1000-fold of the derived SI unit watt divided by the product of the power of the SI base unit metre by exponent 2 and the SI base unit kelvin.
in scheme: Unit of measure
notation: N78
conversion multiplier: 1000.0
dimension vector: M1 Θ-1 T-3
rec20 quantity: surface coefficient of heat transfer
rec20 sector: Heat
ucum code: kW.m-2.K-1
unit symbol: kW/(m²·K)

square metre per joule
type: Concept
in scheme: Unit of measure
notation: D20
conversion multiplier: 1.0
dimension vector: M-1 T2
rec20 quantity: spectral cross-section
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: m2.J-1
unit symbol: m²/J

tonne per second
type: Concept
in scheme: Unit of measure
notation: L81
conversion multiplier: 1000.0
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.s-1
unit symbol: t/s

ampere per metre
type: Concept
in scheme: Unit of measure
notation: AE
conversion multiplier: 1.0
dimension vector: I1 L-1
rec20 quantity: linear electric current density, lineic electric current, magnetic field strength
rec20 quantity: magnetization
rec20 sector: Electricity and Magnetism
ucum code: A.m-1
unit symbol: A/m

microgray per hour
type: Concept
definition: 0,000 001-fold of the derived SI unit gray divided by the unit hour.
in scheme: Unit of measure
notation: P63
conversion multiplier: 2.7777777777777777e-10
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: uGy.h-1
unit symbol: µGy/h

milliampere per litre minute
type: Concept
in scheme: Unit of measure
notation: G59
conversion multiplier: 0.016666666666666666
dimension vector: I1 L-3 T-1
rec20 quantity: current density
rec20 sector: Electricity and Magnetism
ucum code: mA.L-1.min-1
unit symbol: mA/(l·min)

milliroentgen aequivalent men
type: Concept
in scheme: Unit of measure
notation: L31
conversion multiplier: 1e-05
dimension vector: L2 T-2
rec20 quantity: dose equivalent
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mREM
unit symbol: mrem

ounce (avoirdupois) per cubic inch
type: Concept
in scheme: Unit of measure
notation: L39
conversion multiplier: 1729.99404
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [oz_av].[cin_i]-1
unit symbol: oz/in³

volt per microsecond
type: Concept
in scheme: Unit of measure
notation: H24
conversion multiplier: 1000000.0
dimension vector: I-1 L2 M1 T-4
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.us-1
unit symbol: V/µs

bushel (US dry) per day
type: Concept
in scheme: Unit of measure
notation: J68
conversion multiplier: 4.0786e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [bu_us].d-1
unit symbol: bu (US dry)/d

kilowatt hour
type: Concept
in scheme: Unit of measure
notation: KWH
conversion multiplier: 3600000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: kW.h
unit symbol: kW·h

peck (UK)
type: Concept
in scheme: Unit of measure
notation: L43
conversion multiplier: 0.009092181
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [pk_br]
unit symbol: pk (UK)

centipoise per bar
type: Concept
in scheme: Unit of measure
notation: J74
conversion multiplier: 1e-08
dimension vector: T1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: cP.bar-1
unit symbol: cP/bar

square millimetre
type: Concept
in scheme: Unit of measure
notation: MMK
conversion multiplier: 1e-06
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: mm2
unit symbol: mm²

calorie (international table) per gram kelvin
type: Concept
deprecated: true
in scheme: Unit of measure
notation: D76
conversion multiplier: 4186.8
dimension vector: L2 Θ-1 T-2
rec20 quantity: specific heat capacity at: - constant pressure, -constant volume,- saturation
rec20 sector: Heat
ucum code: cal_IT.g-1.K-1
unit symbol: calIT/(g·K)

newton metre per ampere
type: Concept
in scheme: Unit of measure
notation: F90
conversion multiplier: 1.0
dimension vector: I-1 L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: N.m.A-1
unit symbol: N·m/A

footcandle
type: Concept
definition: Non SI conform traditional unit, defined as density of light which impinges on a surface which has a distance of one foot from a light source, which shines with an intensity of an international candle.
in scheme: Unit of measure
notation: P27
conversion multiplier: 10.764
dimension vector: L-2 J1
rec20 quantity: illuminance
rec20 sector: Light and Related Electromagnetic Radiations
unit symbol: ftc

ton (US) per hour
type: Concept
in scheme: Unit of measure
notation: 4W
conversion multiplier: 0.251944444444444
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [ston_av].h-1
unit symbol: ton (US) /h

joule per square centimetre
type: Concept
definition: A unit of energy defining the number of joules per square centimetre.
in scheme: Unit of measure
notation: E43
conversion multiplier: 10000.0
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: J.cm-2
unit symbol: J/cm²

gram per millilitre kelvin
type: Concept
in scheme: Unit of measure
notation: G37
conversion multiplier: 1000.0
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.mL-1.K-1
unit symbol: g/(ml·K)

microbar
type: Concept
in scheme: Unit of measure
notation: B85
conversion multiplier: 0.1
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: ubar
unit symbol: µbar

newton metre per radian
type: Concept
definition: Product of the derived SI unit newton and the SI base unit metre divided by the unit radian.
in scheme: Unit of measure
notation: M93
conversion multiplier: 1.0
conversion offset: 0.0
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: N.m.rad-1
unit symbol: N·m/rad

decametre
type: Concept
in scheme: Unit of measure
notation: A45
conversion multiplier: 10.0
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: dam
unit symbol: dam

horsepower (boiler)
type: Concept
in scheme: Unit of measure
notation: K42
conversion multiplier: 9809.5
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 sector: Mechanics
unit symbol: boiler hp

cubic inch per minute
type: Concept
in scheme: Unit of measure
notation: G57
conversion multiplier: 2.7311773333333333e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [cin_i].min-1
unit symbol: in³/min

degree [unit of angle] per second squared
type: Concept
definition: 360 part of a full circle divided by the power of the SI base unit second and the exponent 2.
in scheme: Unit of measure
notation: M45
conversion multiplier: 0.0174532925
dimension vector: T-2
rec20 quantity: angular acceleration
rec20 sector: Space and Time
ucum code: deg.s-2
unit symbol: °/s²

gigawatt hour
type: Concept
in scheme: Unit of measure
notation: GWH
conversion multiplier: 3600000000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: GW.h
unit symbol: GW·h

inch of mercury (60 ºF)
type: Concept
definition: Non SI-conforming unit of pressure according to the Anglo-American and Imperial system for units, whereas the value of 1 inHg meets the static pressure, which is generated by a mercury at a temperature of 60°F with a height of 1 inch.
in scheme: Unit of measure
notation: N17
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
unit symbol: inHg (60 ºF)

ounce (avoirdupois)
type: Concept
in scheme: Unit of measure
notation: ONZ
conversion multiplier: 0.028349523125
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [oz_av]
unit symbol: oz

British thermal unit (international table) foot per hour square foot degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: J40
conversion multiplier: 1.730734666
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: [Btu_IT].[ft_i].[ft_i]-2.h-1.[degF]-1
unit symbol: BtuIT·ft/(h·ft²·°F)

square metre
type: Concept
in scheme: Unit of measure
notation: MTK
conversion multiplier: 1.0
dimension vector: L2
rec20 quantity: cross-section
rec20 quantity: nuclear quadrupole moment
rec20 quantity: area
rec20 quantity: atomic attenuation coefficient
rec20 quantity: slowing down area, diffusion area, migration area
rec20 quantity: equivalent absorption area of a surface or object
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Space and Time
rec20 sector: Acoustics
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: m2
unit symbol: m²

micronewton
type: Concept
in scheme: Unit of measure
notation: B92
conversion multiplier: 1e-06
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: uN
unit symbol: µN

British thermal unit (thermochemical) per cubic foot
type: Concept
definition: Unit of the energy density according to the Imperial system of units.
in scheme: Unit of measure
notation: N59
conversion multiplier: 37234.03
dimension vector: L-1 M1 T-2
rec20 quantity: energy density
rec20 sector: Heat
ucum code: [Btu_th].[ft_i]-3
unit symbol: Btuth/ft³

cubic centimetre per minute
type: Concept
in scheme: Unit of measure
notation: G49
conversion multiplier: 1.666667e-08
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.min-1
unit symbol: cm³/min

gram-force per square centimetre
type: Concept
in scheme: Unit of measure
notation: K31
conversion multiplier: 98.0665
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: gf.cm-2
unit symbol: gf/cm²

kilometre per hour
type: Concept
in scheme: Unit of measure
notation: KMH
conversion multiplier: 0.2777777777777778
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: km.h-1
unit symbol: km/h

milligram per minute
type: Concept
in scheme: Unit of measure
notation: F33
conversion multiplier: 1.666667e-08
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg/min
unit symbol: mg/min

milliampere per inch
type: Concept
in scheme: Unit of measure
notation: F08
conversion multiplier: 0.03937008
dimension vector: I1 L-1
rec20 quantity: linear electric current density, lineic electric current, magnetic field strength
rec20 sector: Electricity and Magnetism
ucum code: mA.[in_i]-1
unit symbol: mA/in

degree Fahrenheit hour per British thermal unit (international table)
type: Concept
definition: Non SI-conforming unit of the thermal resistance according to the Imperial system of units.
in scheme: Unit of measure
notation: N84
conversion multiplier: 1.8956342406266347
dimension vector: L-2 M-1 Θ1 T3
rec20 quantity: thermal resistance
rec20 sector: Heat
ucum code: [degF].h.[Btu_IT]-1
unit symbol: ºF/(BtuIT/h)

millimole
type: Concept
in scheme: Unit of measure
notation: C18
conversion multiplier: 0.001
dimension vector: N1
rec20 quantity: amount of substance
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mmol
unit symbol: mmol

standard acceleration of free fall
type: Concept
in scheme: Unit of measure
notation: K40
conversion multiplier: 9.80665
dimension vector: L1 T-2
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
ucum code: [g]
unit symbol: gn

kiloampere hour (thousand ampere hour)
type: Concept
in scheme: Unit of measure
notation: TAH
conversion multiplier: 3600000.0
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: kA.h
unit symbol: kA·h

inch pound (pound inch)
type: Concept
in scheme: Unit of measure
notation: IA
conversion multiplier: 0.011521246198
dimension vector: L1 M1
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: [lb_av].[in_i]
unit symbol: in·lb

newton
type: Concept
in scheme: Unit of measure
notation: NEW
conversion multiplier: 1.0
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: N
unit symbol: N

kiloroentgen
type: Concept
in scheme: Unit of measure
notation: KR
conversion multiplier: 0.258
dimension vector: I1 M-1 T1
rec20 quantity: exposure
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: kR
unit symbol: kR

mile per minute
type: Concept
definition: Unit of velocity from the Imperial system of units.
in scheme: Unit of measure
notation: M57
conversion multiplier: 26.8224
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [mi_i].min-1
unit symbol: mi/min

millimetre per second
type: Concept
in scheme: Unit of measure
notation: C16
conversion multiplier: 0.001
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: mm.s-1
unit symbol: mm/s

quad (1015 BtuIT)
type: Concept
definition: Unit of heat energy according to the imperial system of units.
in scheme: Unit of measure
notation: N70
conversion multiplier: 1.055e+18
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
unit symbol: quad

cubic yard per minute
type: Concept
in scheme: Unit of measure
notation: M15
conversion multiplier: 0.0127425809664
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [cyd_i].min-1
unit symbol: yd³/min

cubic centimetre
type: Concept
in scheme: Unit of measure
notation: CMQ
conversion multiplier: 1e-06
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: cm3
unit symbol: cm³

gill (US) per day
type: Concept
in scheme: Unit of measure
notation: K36
conversion multiplier: 1.369145e-09
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gil_us].d-1
unit symbol: gi (US)/d

quart (US liquid) per hour
type: Concept
in scheme: Unit of measure
notation: K99
conversion multiplier: 2.62875833e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [qt_us].h-1
unit symbol: qt (US liq.)/h

volt square inch per pound-force
type: Concept
in scheme: Unit of measure
notation: H22
conversion multiplier: 0.00014503773122272686
dimension vector: I-1 L3 T-1
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.[in_i]2.[lbf_av]-1
unit symbol: V/(lbf/in²)

roentgen
type: Concept
in scheme: Unit of measure
notation: 2C
conversion multiplier: 0.000258
dimension vector: I1 M-1 T1
rec20 quantity: exposure
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: R
unit symbol: R

milliampere per bar
type: Concept
in scheme: Unit of measure
notation: F59
conversion multiplier: 1e-08
dimension vector: I1 L1 M-1 T2
rec20 quantity: linear electric current density, lineic electric current, magnetic field strength
rec20 sector: Electricity and Magnetism
ucum code: mA.bar-1
unit symbol: mA/bar

kilobar
type: Concept
in scheme: Unit of measure
notation: KBA
conversion multiplier: 100000000.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: kbar
unit symbol: kbar

kilocalorie (mean)
type: Concept
in scheme: Unit of measure
notation: K51
conversion multiplier: 4190.0
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
ucum code: kcal_m
unit symbol: kcal

gray per hour
type: Concept
definition: SI derived unit gray divided by the unit hour.
in scheme: Unit of measure
notation: P61
conversion multiplier: 0.0002777777777777778
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: Gy.h-1
unit symbol: Gy/h

ohm per metre
type: Concept
in scheme: Unit of measure
notation: H26
conversion multiplier: 1.0
dimension vector: I-2 L1 M1 T-3
rec20 quantity: lineic resistance
rec20 sector: Electricity and Magnetism
ucum code: Ohm.m-1
unit symbol: Ω/m

coulomb per square metre
type: Concept
in scheme: Unit of measure
notation: A34
conversion multiplier: 1.0
dimension vector: I1 L-2 T1
rec20 quantity: surface density of charge, electric flux density, displacement electric polarization
rec20 sector: Electricity and Magnetism
ucum code: C.m-2
unit symbol: C/m²

liquid pint (US)
type: Concept
in scheme: Unit of measure
notation: PTL
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: liq pt (US)

cubic decimetre per second
type: Concept
in scheme: Unit of measure
notation: J93
conversion multiplier: 0.001
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: dm3.s-1
unit symbol: dm³/s

gram per kelvin
type: Concept
in scheme: Unit of measure
notation: F14
conversion multiplier: 0.001
dimension vector: M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.K-1
unit symbol: g/K

millivolt per kelvin
type: Concept
in scheme: Unit of measure
notation: D49
rec20 quantity: Thompson coefficient
rec20 sector: Solid State Physics
unit symbol: mV/K

tonne per month
type: Concept
definition: Unit tonne divided by the unit month.
in scheme: Unit of measure
notation: M88
conversion multiplier: 0.0003919350772901616
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.mo-1
unit symbol: t/mo

decade (logarithmic)
type: Concept
definition: 1 Dec := log2 10 ˜ 3,32 according to the logarithm for frequency range between f1 and f2, when f2/f1 = 10.
in scheme: Unit of measure
notation: P41
rec20 quantity: logarithmic decrement
rec20 sector: Acoustics
unit symbol: dec

astronomical unit
type: Concept
in scheme: Unit of measure
notation: A12
conversion multiplier: 149597870691.6
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: AU
unit symbol: ua

litre per second kelvin
type: Concept
in scheme: Unit of measure
notation: G68
conversion multiplier: 0.001
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.s-1.K-1
unit symbol: l/(s·K)

degree Fahrenheit second per British thermal unit (international table)
type: Concept
definition: Non SI-conforming unit of the thermal resistance according to the Imperial system of units.
in scheme: Unit of measure
notation: N86
conversion multiplier: 0.0005265650668407318
dimension vector: L-2 M-1 Θ1 T3
rec20 quantity: thermal resistance
rec20 sector: Heat
ucum code: [degF].s.[Btu_IT]-1
unit symbol: ºF/(BtuIT/s)

decibel per kilometre
type: Concept
in scheme: Unit of measure
notation: H51
dimension vector: L-1
rec20 quantity: sound pressure level, sound power level
rec20 sector: Acoustics
ucum code: dB.km-1
unit symbol: dB/km

micropoise
type: Concept
in scheme: Unit of measure
notation: J32
conversion multiplier: 1e-07
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: uP
unit symbol: µP

quart (US dry)
type: Concept
deprecated: true
definition: Use dry quart (US) (common code QTD)
in scheme: Unit of measure
notation: L62
conversion multiplier: 0.001101220942715
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [dqt_us]
unit symbol: qt (US dry)

watt per square inch
type: Concept
definition: Derived SI unit watt divided by the power of the unit inch according to the Anglo-American and Imperial system of units by exponent 2.
in scheme: Unit of measure
notation: N49
conversion multiplier: 1550.0031
dimension vector: M1 T-3
rec20 quantity: density of heat flow rate
rec20 sector: Heat
ucum code: W.[sin_i]-1
unit symbol: W/in²

terajoule
type: Concept
in scheme: Unit of measure
notation: D30
conversion multiplier: 1000000000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: TJ
unit symbol: TJ

millicoulomb per square metre
type: Concept
in scheme: Unit of measure
notation: D89
conversion multiplier: 0.001
dimension vector: I1 L-2 T1
rec20 quantity: surface density of charge, electric flux density, displacement electric polarization
rec20 sector: Electricity and Magnetism
ucum code: mC.m-2
unit symbol: mC/m²

phot
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit of the illuminance, defined as lumen by square centimetre.
in scheme: Unit of measure
notation: P26
conversion multiplier: 10000.0
dimension vector: L-2 J1
rec20 quantity: illuminance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: ph
unit symbol: ph

lux
type: Concept
in scheme: Unit of measure
notation: LUX
conversion multiplier: 1.0
dimension vector: L-2 J1
rec20 quantity: illuminance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: lx
unit symbol: lx

millicoulomb per cubic metre
type: Concept
in scheme: Unit of measure
notation: D88
conversion multiplier: 0.001
dimension vector: I1 L-3 T1
rec20 quantity: volume density of charge, charge density, volumic charge
rec20 sector: Electricity and Magnetism
ucum code: mC.m-3
unit symbol: mC/m³

slug per minute
type: Concept
in scheme: Unit of measure
notation: L67
conversion multiplier: 0.243231666666667
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
unit symbol: slug/min

pound per square yard
type: Concept
definition: Unit for areal-related mass as a unit pound according to the avoirdupois unit system divided by the power of the unit yard according to the Anglo-American and Imperial system of units with exponent 2.
in scheme: Unit of measure
notation: N25
conversion multiplier: 0.5424919595981167
dimension vector: L-2 M1
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [lb_av].[yd_i]-2
unit symbol: lb/yd²

standard cubic foot
type: Concept
deprecated: true
definition: Use standard (common code WSD)
in scheme: Unit of measure
notation: 5I
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: std

microgram per hectogram
type: Concept
definition: Microgram per hectogram.
in scheme: Unit of measure
notation: Q29
rec20 quantity: mass ratio
rec20 sector: Mechanics
unit symbol: µg/hg

kilogram-force metre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: B38
conversion multiplier: 9.80665
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: kgf.m
unit symbol: kgf·m

gram per minute kelvin
type: Concept
in scheme: Unit of measure
notation: F37
conversion multiplier: 1.6666666666666667e-05
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.min-1.K-1
unit symbol: g/(min·K)

coulomb per cubic metre
type: Concept
in scheme: Unit of measure
notation: A29
conversion multiplier: 1.0
dimension vector: I1 L-3 T1
rec20 quantity: volume density of charge, charge density, volumic charge
rec20 sector: Electricity and Magnetism
ucum code: C.m-3
unit symbol: C/m³

inch
type: Concept
in scheme: Unit of measure
notation: INH
conversion multiplier: 0.0254
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [in_i]
unit symbol: in

pound foot per second
type: Concept
definition: Product of the avoirdupois pound according to the avoirdupois unit system and the unit foot according to the Anglo-American and Imperial system of units divided by the SI base unit second.
in scheme: Unit of measure
notation: N10
conversion multiplier: 0.138254954376
dimension vector: L1 M1 T-1
rec20 quantity: momentum
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i].s-1
unit symbol: lb·(ft/s)

kilojoule per second
type: Concept
definition: Quotient from the 1000-fold of the derived SI unit joule divided by the SI base unit second.
in scheme: Unit of measure
notation: P18
conversion multiplier: 1000.0
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: kJ.s-1
unit symbol: kJ/s

calorie (thermochemical) per square centimetre minute
type: Concept
definition: Unit of the surface heat flux according to the Imperial system of units.
in scheme: Unit of measure
notation: N56
conversion multiplier: 697.3333333333334
dimension vector: M1 T-3
rec20 quantity: density of heat flow rate
rec20 sector: Heat
ucum code: cal_th.cm-2.min-1
unit symbol: calth/(cm²·min)

peck
type: Concept
in scheme: Unit of measure
notation: G23
conversion multiplier: 0.00880976754
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [pk_us]
unit symbol: pk (US)

pound per yard
type: Concept
definition: Unit for linear mass according to avoirdupois system of units.
in scheme: Unit of measure
notation: M84
conversion multiplier: 0.4960546478565179
dimension vector: L-1 M1
rec20 quantity: linear density, linear mass
rec20 sector: Mechanics
ucum code: [lb_av].[yd_i]-1
unit symbol: lb/yd

gram per square metre
type: Concept
in scheme: Unit of measure
notation: GM
conversion multiplier: 0.001
dimension vector: L-2 M1
rec20 quantity: surface density, areic mass
rec20 sector: Mechanics
ucum code: g.m-2
unit symbol: g/m²

steradian
type: Concept
in scheme: Unit of measure
notation: D27
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: solid angle
rec20 sector: Space and Time
ucum code: sr
unit symbol: sr

kilogram per cubic metre kelvin
type: Concept
in scheme: Unit of measure
notation: G40
conversion multiplier: 1.0
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.m-3.K-1
unit symbol: kg/(m³·K)

neper
type: Concept
in scheme: Unit of measure
notation: C50
dimension vector: 1
rec20 quantity: logarithmic decrement
rec20 quantity: level of a field quantity, level of a power quantity
rec20 sector: Acoustics
rec20 sector: Periodic and related phenomena
ucum code: Np
unit symbol: Np

brake horse power
type: Concept
in scheme: Unit of measure
notation: BHP
rec20 quantity: power
rec20 sector: Mechanics
unit symbol: BHP

slug per cubic foot
type: Concept
in scheme: Unit of measure
notation: L65
conversion multiplier: 515.3788206107324
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
unit symbol: slug/ft³

pascal per kelvin
type: Concept
in scheme: Unit of measure
notation: C64
conversion multiplier: 1.0
dimension vector: L-1 M1 Θ-1 T-2
rec20 quantity: pressure coefficient
rec20 sector: Heat
ucum code: Pa.K-1
unit symbol: Pa/K

foot pound-force
type: Concept
in scheme: Unit of measure
notation: 85
conversion multiplier: 1.35581807
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: [ft_i].[lbf_av]
unit symbol: ft·lbf

milligray
type: Concept
in scheme: Unit of measure
notation: C13
conversion multiplier: 0.001
dimension vector: L2 T-2
rec20 quantity: specific energy imparted, massic energy imparted
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mGy
unit symbol: mGy

electronvolt per metre
type: Concept
in scheme: Unit of measure
notation: A54
conversion multiplier: 1.602176634e-19
dimension vector: L1 M1 T-2
rec20 quantity: linear energy transfer
rec20 quantity: total linear stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: eV.m-1
unit symbol: eV/m

pound per pound
type: Concept
definition: Proportion of the mass consisting of the avoirdupois pound according to the avoirdupois unit system divided by the avoirdupois pound according to the avoirdupois unit system.
in scheme: Unit of measure
notation: M91
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: mass ratio
rec20 sector: Mechanics
ucum code: [lb_av].[lb_av]-1
unit symbol: lb/lb

hectometre
type: Concept
in scheme: Unit of measure
notation: HMT
conversion multiplier: 100.0
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: hm
unit symbol: hm

litre per hour kelvin
type: Concept
in scheme: Unit of measure
notation: G66
conversion multiplier: 2.7777777777777776e-07
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.h-1.K-1
unit symbol: l/(h·K)

decilitre
type: Concept
in scheme: Unit of measure
notation: DLT
conversion multiplier: 0.0001
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: dL
unit symbol: dl

calorie (thermochemical)
type: Concept
deprecated: true
in scheme: Unit of measure
notation: D35
conversion multiplier: 4.184
dimension vector: L2 M1 T-2
rec20 quantity: Gibbs function, Gibbs free energy
rec20 sector: Heat
ucum code: cal_th
unit symbol: calth

volt per millimetre
type: Concept
in scheme: Unit of measure
notation: D51
conversion multiplier: 1000.0
dimension vector: I-1 L1 M1 T-3
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.mm-1
unit symbol: V/mm

degree Rankine per minute
type: Concept
in scheme: Unit of measure
notation: J29
conversion multiplier: 0.00925925925925926
dimension vector: Θ1 T-1
rec20 quantity: temperature variation over time
rec20 sector: Heat
ucum code: [degR].min-1
unit symbol: °R/min

tonne per hour
type: Concept
definition: A unit of weight or mass equal to one tonne per hour.
in scheme: Unit of measure
notation: E18
conversion multiplier: 0.277777777777778
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.h-1
unit symbol: t/h

torr per metre
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit of the pressure divided by the SI base unit metre.
in scheme: Unit of measure
notation: P85
conversion multiplier: 133.322
dimension vector: L-2 M1 T-2
rec20 quantity: hardness index
rec20 sector: Miscellaneous
unit symbol: Torr/m

metre per radiant
type: Concept
definition: Unit of the translation factor for implementation from rotation to linear movement.
in scheme: Unit of measure
notation: M55
conversion multiplier: 1.0
dimension vector: L1
rec20 quantity: solid angle
rec20 sector: Space and Time
ucum code: m.rad-1
unit symbol: m/rad

reciprocal electron volt per cubic metre
type: Concept
in scheme: Unit of measure
notation: C88
conversion multiplier: 6.241509074460762e+18
dimension vector: L-5 M-1 T2
rec20 quantity: density of states
rec20 sector: Solid State Physics
ucum code: eV-1.m-3
unit symbol: eV⁻¹/m³

inch of water (60 ºF)
type: Concept
definition: Non SI-conforming unit of pressure according to the Anglo-American and Imperial system for units, whereas the value of 1 inH2O meets the static pressure, which is generated by a head of water at a temperature of 60°F with a height of 1 inch .
in scheme: Unit of measure
notation: N19
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
unit symbol: inH₂O (60 ºF)

cubic metre per day bar
type: Concept
in scheme: Unit of measure
notation: G86
conversion multiplier: 1.1574074074074074e-10
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.d-1.bar-1
unit symbol: m³/(d·bar)

microhenry per metre
type: Concept
in scheme: Unit of measure
notation: B91
conversion multiplier: 1e-06
dimension vector: I-2 L1 M1 T-2
rec20 quantity: permeability, permeability of vacuum, magnetic constant
rec20 sector: Electricity and Magnetism
ucum code: uH.m-1
unit symbol: µH/m

barrel (US)
type: Concept
in scheme: Unit of measure
notation: BLL
conversion multiplier: 0.1589873
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [bbl_us]
unit symbol: barrel (US)

millimetre per second squared
type: Concept
definition: 0,001-fold of the SI base unit metre divided by the power of the SI base unit second by exponent 2.
in scheme: Unit of measure
notation: M41
conversion multiplier: 0.001
dimension vector: L1 T-2
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
ucum code: mm.s-2
unit symbol: mm/s²

kilofarad
type: Concept
definition: 1000-fold of the derived SI unit farad.
in scheme: Unit of measure
notation: N90
conversion multiplier: 1000.0
dimension vector: I2 L-2 M-1 T4
rec20 quantity: capacitance
rec20 sector: Electricity and Magnetism
unit symbol: kF

millibar litre per second
type: Concept
in scheme: Unit of measure
notation: F95
conversion multiplier: 0.1
dimension vector: L2 M1 T-3
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: mbar.L.s-1
unit symbol: mbar·l/s

kilocoulomb
type: Concept
in scheme: Unit of measure
notation: B26
conversion multiplier: 1000.0
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: kC
unit symbol: kC

kilocalorie (thermochemical) per second
type: Concept
in scheme: Unit of measure
notation: K55
conversion multiplier: 4184.0
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: kcal_th.s-1
unit symbol: kcalth/s

milliradian
type: Concept
in scheme: Unit of measure
notation: C25
conversion multiplier: 0.001
dimension vector: 1
rec20 quantity: angle (plane)
rec20 sector: Space and Time
ucum code: mrad
unit symbol: mrad

square centimetre per second
type: Concept
definition: 0,000 1-fold of the power of the SI base unit metre by exponent 2 divided by the SI base unit second.
in scheme: Unit of measure
notation: M81
conversion multiplier: 0.0001
dimension vector: L2 T-1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: cm2.s-1
unit symbol: cm²/s

microgray per second
type: Concept
definition: 0,000 001-fold of the derived SI unit gray divided by the SI base unit second.
in scheme: Unit of measure
notation: P55
conversion multiplier: 1e-06
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: uGy.s-1
unit symbol: µGy/s

microgram per cubic metre bar
type: Concept
in scheme: Unit of measure
notation: J35
conversion multiplier: 1e-14
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: ug.m-3.bar-1
unit symbol: (µg/m³)/bar

millisiemens
type: Concept
in scheme: Unit of measure
notation: C27
conversion multiplier: 0.001
dimension vector: I2 L-2 M-1 T3
rec20 quantity: conductance (for direct current), admittance, (complex admittance), modulus of admittance,(admittance), conductance (for alternating current)
rec20 sector: Electricity and Magnetism
ucum code: mS
unit symbol: mS

barrel (UK petroleum) per second
type: Concept
in scheme: Unit of measure
notation: J61
conversion multiplier: 0.1591132
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
unit symbol: bbl (UK liq.)/s

coulomb per square millimetre
type: Concept
in scheme: Unit of measure
notation: A35
conversion multiplier: 1000000.0
dimension vector: I1 L-2 T1
rec20 quantity: surface density of charge, electric flux density, displacement electric polarization
rec20 sector: Electricity and Magnetism
ucum code: C.mm-2
unit symbol: C/mm²

cubic decimetre per kilogram
type: Concept
definition: 0,001 fold of the power of the SI base unit meter by exponent 3 divided by the SI based unit kilogram.
in scheme: Unit of measure
notation: N28
conversion multiplier: 0.001
dimension vector: L3 M-1
rec20 quantity: specific volume, massic volume
rec20 sector: Mechanics
ucum code: dm3.kg-1
unit symbol: dm³/kg

kilocoulomb per square metre
type: Concept
in scheme: Unit of measure
notation: B28
conversion multiplier: 1000.0
dimension vector: I1 L-2 T1
rec20 quantity: surface density of charge, electric flux density, displacement electric polarization
rec20 sector: Electricity and Magnetism
ucum code: kC.m-2
unit symbol: kC/m²

cubic metre per second pascal
type: Concept
definition: Power of the SI base unit meter by exponent 3 divided by the product of the SI base unit second and the derived SI base unit pascal.
in scheme: Unit of measure
notation: N45
conversion multiplier: 1.0
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.s-1.Pa-1
unit symbol: (m³/s)/Pa

calorie (thermochemical) per gram degree Celsius
type: Concept
in scheme: Unit of measure
notation: J79
conversion multiplier: 4184.0
dimension vector: L2 Θ-1 T-2
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: cal_th.g-1.Cel-1
unit symbol: calth/(g·°C)

ampere square metre
type: Concept
in scheme: Unit of measure
notation: A5
conversion multiplier: 1.0
dimension vector: I1 L2
rec20 quantity: electromagnetic moment, magnetic moment, (magnetic area moment)
rec20 quantity: magnetic moment of particle, Bohr magneton, nuclear magneton ornucleus
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Electricity and Magnetism
ucum code: A.m2
unit symbol: A·m²

cubic centimetre per day kelvin
type: Concept
in scheme: Unit of measure
notation: G61
conversion multiplier: 1.1574074074074074e-11
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.d-1.K-1
unit symbol: cm³/(d·K)

ounce (UK fluid) per day
type: Concept
in scheme: Unit of measure
notation: J95
conversion multiplier: 3.288548900462963e-10
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [foz_br].d-1
unit symbol: fl oz (UK)/d

pound mole per pound
type: Concept
definition: Non SI-conforming unit of the material molar flux divided by the avoirdupois pound for mass according to the avoirdupois unit system.
in scheme: Unit of measure
notation: P48
conversion multiplier: 1000.0
dimension vector: N1 M-1
rec20 quantity: ionic strength
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: [mol_lb].[lb_av]-1
unit symbol: lbmol/lb

ampere per millimetre
type: Concept
in scheme: Unit of measure
notation: A3
conversion multiplier: 1000.0
dimension vector: I1 L-1
rec20 quantity: linear electric current density, lineic electric current, magnetic field strength
rec20 sector: Electricity and Magnetism
ucum code: A.mm-1
unit symbol: A/mm

psi cubic yard per second
type: Concept
in scheme: Unit of measure
notation: K90
conversion multiplier: 5271.42
dimension vector: L2 M1 T-3
rec20 quantity: leakage rate of gas
rec20 sector: Mechanics
ucum code: [psi].[cyd_i].s-1
unit symbol: psi·yd³/s

micro-inch
type: Concept
in scheme: Unit of measure
notation: M7
conversion multiplier: 2.54e-08
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: u[in_i]
unit symbol: µin

millijoule
type: Concept
in scheme: Unit of measure
notation: C15
conversion multiplier: 0.001
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: mJ
unit symbol: mJ

reciprocal second per metre squared
type: Concept
in scheme: Unit of measure
notation: C99
conversion multiplier: 1.0
dimension vector: L-2 T-1
rec20 quantity: photon exitance, irradiance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: /(s1.m2)
unit symbol: s⁻¹/m²

quart (UK liquid) per hour
type: Concept
in scheme: Unit of measure
notation: K95
conversion multiplier: 3.157007e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [qt_br].h-1
unit symbol: qt (UK liq.)/h

katal
type: Concept
definition: A unit of catalytic activity defining the catalytic activity of enzymes and other catalysts.
in scheme: Unit of measure
notation: KAT
conversion multiplier: 1.0
dimension vector: N1 T-1
rec20 quantity: catalytic activity
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kat
unit symbol: kat

megabecquerel per kilogram
type: Concept
in scheme: Unit of measure
notation: B67
conversion multiplier: 1000000.0
dimension vector: M-1 T-1
rec20 quantity: specific activity in a sample
rec20 sector: Atomic and Nuclear Physics
ucum code: MBq.kg-1
unit symbol: MBq/kg

cubic metre per pascal
type: Concept
definition: Power of the SI base unit meter by exponent 3 divided by the derived SI base unit pascal.
in scheme: Unit of measure
notation: M71
conversion multiplier: 1.0
dimension vector: L4 M-1 T2
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: m3.Pa-1
unit symbol: m³/Pa

square centimetre per gram
type: Concept
in scheme: Unit of measure
notation: H15
conversion multiplier: 0.1
dimension vector: L2 M-1
rec20 quantity: specific volume, massic volume
rec20 sector: Mechanics
ucum code: cm2.g-1
unit symbol: cm²/g

ounce per square foot
type: Concept
in scheme: Unit of measure
notation: 37
conversion multiplier: 0.305151727
dimension vector: L-2 M1
rec20 quantity: surface density, areic mass
rec20 sector: Mechanics
ucum code: [oz_av].[sft_i]-1
unit symbol: oz/ft²

degree Fahrenheit per kelvin
type: Concept
in scheme: Unit of measure
notation: J20
conversion multiplier: 0.5555556
dimension vector: 1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: [degF].K-1
unit symbol: °F/K

inch per second degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K47
conversion multiplier: 0.04572
dimension vector: L1 Θ-1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [in_i].s-1.[degF]-1
unit symbol: (in/s)/°F

megaohm
type: Concept
in scheme: Unit of measure
notation: B75
conversion multiplier: 1000000.0
dimension vector: I-2 L2 M1 T-3
rec20 quantity: resistance (to direct current), impedance, (complex impedances), modulus of impedance, resistance (to alternating current), reactance
rec20 sector: Electricity and Magnetism
ucum code: MOhm
unit symbol: MΩ

millilitre per cubic metre
type: Concept
in scheme: Unit of measure
notation: H65
conversion multiplier: 1e-06
dimension vector: 1
rec20 quantity: specific volume, massic volume
rec20 sector: Mechanics
ucum code: mL.m-3
unit symbol: ml/m³

gallon (UK) per day
type: Concept
in scheme: Unit of measure
notation: K26
conversion multiplier: 5.261678e-08
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gal_br].d-1
unit symbol: gal (UK)/d

kilotonne
type: Concept
in scheme: Unit of measure
notation: KTN
conversion multiplier: 1000000.0
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: kt
unit symbol: kt

megajoule
type: Concept
in scheme: Unit of measure
notation: 3B
conversion multiplier: 1000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: MJ
unit symbol: MJ

litre per litre
type: Concept
in scheme: Unit of measure
notation: K62
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: volume ratio
rec20 sector: Space and Time
ucum code: L.L-1
unit symbol: l/l

British thermal unit (thermochemical) per hour square foot degree Fahrenheit
type: Concept
definition: Unit of the heat transition coefficient according to the imperial system of units.
in scheme: Unit of measure
notation: N75
conversion multiplier: 5.6744658974561
dimension vector: M1 Θ-1 T-3
rec20 quantity: surface coefficient of heat transfer
rec20 sector: Heat
ucum code: [Btu_th].h-1.[ft_i]-2.[degF]-1
unit symbol: Btuth/(h·ft²·ºF)

pound per foot
type: Concept
in scheme: Unit of measure
notation: P2
conversion multiplier: 1.4881639435695537
dimension vector: L-1 M1
rec20 quantity: linear density, linear mass
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i]-1
unit symbol: lb/ft

pound per foot second
type: Concept
in scheme: Unit of measure
notation: K68
conversion multiplier: 1.4881639435695537
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i]-1.s-1
unit symbol: lb/(ft·s)

cubic decimetre per minute
type: Concept
in scheme: Unit of measure
notation: J92
conversion multiplier: 1.666667e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: dm3.min-3
unit symbol: dm³/min

kilopond
type: Concept
deprecated: true
definition: Synonym: kilogram-force
in scheme: Unit of measure
notation: B51
conversion multiplier: 9.80665
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
unit symbol: kp

sievert per minute
type: Concept
definition: Derived SI unit sievert divided by the unit minute.
in scheme: Unit of measure
notation: P74
conversion multiplier: 0.016666666666666666
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: Sv.min-1
unit symbol: Sv/min

mole per kilogram
type: Concept
in scheme: Unit of measure
notation: C19
conversion multiplier: 1.0
dimension vector: N1 M-1
rec20 quantity: molality of solute B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.kg-1
unit symbol: mol/kg

British thermal unit (thermochemical) per pound degree Rankine
type: Concept
definition: Unit of the heat capacity (British thermal unit according to the international table according to the Rankine degree) according to the Imperial system of units divided by the unit avoirdupois pound according to the avoirdupois system of units.
in scheme: Unit of measure
notation: N64
conversion multiplier: 4184.000000044092
dimension vector: L2 Θ-1 T-2
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: [Btu_th].[lb_av]-1.[degR]-1
unit symbol: (Btuth/°R)/lb

megaelectronvolt
type: Concept
in scheme: Unit of measure
notation: B71
conversion multiplier: 1.602176634e-13
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: MeV
unit symbol: MeV

pound (avoirdupois) per cubic inch psi
type: Concept
in scheme: Unit of measure
notation: K76
conversion multiplier: 4.014630579629132
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lb_av].[in_i]-3.[psi]-1
unit symbol: (lb/in³)/psi

inch poundal
type: Concept
definition: Unit of work (force multiplied by path) according to the Imperial system of units as a product unit inch multiplied by poundal.
in scheme: Unit of measure
notation: N47
conversion multiplier: 0.0035116758411504
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: [in_i].[lb_av].[ft_i].s-2
unit symbol: in·pdl

watt per square metre kelvin to the fourth power
type: Concept
in scheme: Unit of measure
notation: D56
conversion multiplier: 1.0
dimension vector: M1 Θ-4 T-3
rec20 quantity: Stefan-Boltzmann constant
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: W.m-2.K-4
unit symbol: W/(m²·K⁴)

newton second per metre
type: Concept
in scheme: Unit of measure
notation: C58
conversion multiplier: 1.0
conversion offset: 0.0
dimension vector: M1 T-1
rec20 quantity: mechanical impedance
rec20 sector: Acoustics
ucum code: N.s.m-1
unit symbol: N·s/m

ounce (avoirdupois) per gallon (UK)
type: Concept
in scheme: Unit of measure
notation: L37
conversion multiplier: 6.23602329
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [oz_av].[gal_br]-1
unit symbol: oz/gal (UK)

ounce (avoirdupois) per gallon (US)
type: Concept
in scheme: Unit of measure
notation: L38
conversion multiplier: 7.489151707306039
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [oz_av].[gal_us]-1
unit symbol: oz/gal (US)

poise per kelvin
type: Concept
in scheme: Unit of measure
notation: F86
conversion multiplier: 0.1
dimension vector: L-1 M1 Θ-1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: P.K-1
unit symbol: P/K

square inch per second
type: Concept
in scheme: Unit of measure
notation: G08
conversion multiplier: 0.00064516
dimension vector: L2 T-1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: [sin_i].s-1
unit symbol: in²/s

var
type: Concept
definition: The name of the unit is an acronym for volt-ampere-reactive.
in scheme: Unit of measure
notation: D44
conversion multiplier: 1.0
dimension vector: L2 M1 T-3
rec20 quantity: reactive power
rec20 sector: Electricity and Magnetism
ucum code: VA{reactive}
unit symbol: var

bar litre per second
type: Concept
in scheme: Unit of measure
notation: F91
conversion multiplier: 100.0
dimension vector: L2 M1 T-3
rec20 quantity: leakage rate of gas
rec20 sector: Mechanics
ucum code: bar.L.s-1
unit symbol: bar·l/s

mole
type: Concept
in scheme: Unit of measure
notation: C34
conversion multiplier: 1.0
dimension vector: N1
rec20 quantity: amount of substance
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol
unit symbol: mol

mole per second
type: Concept
in scheme: Unit of measure
notation: E95
conversion multiplier: 1.0
dimension vector: N1 T-1
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.s-1
unit symbol: mol/s

cubic metre per kilogram
type: Concept
in scheme: Unit of measure
notation: A39
conversion multiplier: 1.0
dimension vector: L3 M-1
rec20 quantity: specific volume, massic volume
rec20 sector: Mechanics
ucum code: m3.kg-1
unit symbol: m³/kg

square metre per newton
type: Concept
in scheme: Unit of measure
notation: H59
conversion multiplier: 1.0
dimension vector: L1 M-1 T2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: m2.N-1
unit symbol: m²/N

millimetre to the fourth power
type: Concept
in scheme: Unit of measure
notation: G77
conversion multiplier: 1e-12
dimension vector: L4
rec20 quantity: second moment of area, second axial moment of area
rec20 sector: Mechanics
ucum code: mm4
unit symbol: mm⁴

kilohenry
type: Concept
definition: 1000-fold of the derived SI unit henry.
in scheme: Unit of measure
notation: P24
conversion multiplier: 1000.0
dimension vector: I-2 L2 M1 T-2
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
unit symbol: kH

kilopascal square metre per gram
type: Concept
in scheme: Unit of measure
notation: 33
conversion multiplier: 1000000.0
dimension vector: L1 T-2
rec20 quantity: burst index
rec20 sector: Miscellaneous
ucum code: kPa.m2.g-1
unit symbol: kPa·m²/g

mho
type: Concept
deprecated: true
in scheme: Unit of measure
notation: NQ
conversion multiplier: 1.0
dimension vector: I2 L-2 M-1 T3
rec20 quantity: susceptance
rec20 sector: Electricity and Magnetism
ucum code: mho

British thermal unit (thermochemical) per second square foot degree Fahrenheit
type: Concept
definition: Unit of the heat transition coefficient according to the imperial system of units.
in scheme: Unit of measure
notation: N77
conversion multiplier: 20428.077230841962
dimension vector: M1 Θ-1 T-3
rec20 quantity: surface coefficient of heat transfer
rec20 sector: Heat
ucum code: [Btu_th].s-1.[ft_i]-2.[degF]-1
unit symbol: Btuth/(s·ft²·ºF)

micromho
type: Concept
deprecated: true
in scheme: Unit of measure
notation: NR
conversion multiplier: 1e-06
dimension vector: I2 L-2 M-1 T3
rec20 quantity: susceptance
rec20 sector: Electricity and Magnetism
ucum code: umho

bar per kelvin
type: Concept
in scheme: Unit of measure
notation: F81
conversion multiplier: 100000.0
dimension vector: L-1 M1 Θ-1 T-2
rec20 quantity: pressure coefficient
rec20 sector: Heat
ucum code: bar.K-1
unit symbol: bar/K

kilogram per kilomole
type: Concept
in scheme: Unit of measure
notation: F24
conversion multiplier: 0.001
dimension vector: N-1 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.kmol-1
unit symbol: kg/kmol

cubic millimetre per cubic metre
type: Concept
in scheme: Unit of measure
notation: L21
conversion multiplier: 1e-09
dimension vector: 1
rec20 quantity: volume ratio
rec20 sector: Space and Time
ucum code: mm3.m-3
unit symbol: mm³/m³

square metre per second
type: Concept
definition: Synonym: metre squared per second (square metres/second US)
in scheme: Unit of measure
notation: S4
conversion multiplier: 1.0
dimension vector: L2 T-1
rec20 quantity: kinematic viscosity
rec20 quantity: thermal diffusivity
rec20 quantity: diffusion coefficient, diffusion coefficient for neutron number density
rec20 quantity: diffusion coefficient
rec20 quantity: thermal diffusion coefficient
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Mechanics
rec20 sector: Physical Chemistry and Molecular Physics
rec20 sector: Heat
ucum code: m2.s-1
unit symbol: m²/s

gram per centimetre second
type: Concept
definition: Unit of the dynamic viscosity as a quotient of the 0,001-fold of the SI base unit kilogram divided by the 0,01-fold of the SI base unit metre and SI base unit second.
in scheme: Unit of measure
notation: N41
conversion multiplier: 0.1
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: g.cm-1.s-1
unit symbol: g/(cm·s)

ton short per hour psi
type: Concept
in scheme: Unit of measure
notation: L90
conversion multiplier: 3.654889346929982e-05
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [ston_av].h-1.[psi]-1
unit symbol: (ton (US)/h)/psi

second per cubic metre radian
type: Concept
in scheme: Unit of measure
notation: D94
conversion multiplier: 1.0
dimension vector: L-3 T1
rec20 quantity: spectral concentration of vibrational modes (in terms of angular frequency)
rec20 sector: Solid State Physics
ucum code: s.m-3.rad-1
unit symbol: s/(rad·m³)

metric horse power
type: Concept
deprecated: true
in scheme: Unit of measure
notation: HJ
conversion multiplier: 735.4988
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 sector: Mechanics
unit symbol: metric hp

millibar per bar
type: Concept
in scheme: Unit of measure
notation: F04
conversion multiplier: 0.001
dimension vector: 1
rec20 quantity: pressure ratio
rec20 sector: Mechanics
ucum code: mbar.bar-1
unit symbol: mbar/bar

microfarad per metre
type: Concept
in scheme: Unit of measure
notation: B89
conversion multiplier: 1e-06
dimension vector: I2 L-3 M-1 T4
rec20 quantity: permittivity, permittivity of vacuum, (electric constant)
rec20 sector: Electricity and Magnetism
ucum code: uF.m-1
unit symbol: µF/m

ampere minute
type: Concept
definition: A unit of electric charge defining the amount of charge accumulated by a steady flow of one ampere for one minute..
in scheme: Unit of measure
notation: N95
conversion multiplier: 60.0
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: A.min
unit symbol: A·min

rem per second
type: Concept
definition: Unit for the equivalent tin rate relating to DIN 1301-3:1979: 1 rem/s = 0,01 J/(kg·s) = 1 Sv/s.
in scheme: Unit of measure
notation: P69
conversion multiplier: 0.01
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: REM.s-1
unit symbol: rem/s

lumen per square metre
type: Concept
in scheme: Unit of measure
notation: B60
conversion multiplier: 1.0
dimension vector: L-2 J1
rec20 quantity: luminous exitance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: lm.m-2
unit symbol: lm/m²

kilogram per kelvin
type: Concept
in scheme: Unit of measure
notation: F15
conversion multiplier: 1.0
dimension vector: M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.K-1
unit symbol: kg/K

siemens
type: Concept
in scheme: Unit of measure
notation: SIE
conversion multiplier: 1.0
dimension vector: I2 L-2 M-1 T3
rec20 quantity: conductance (for direct current), admittance, (complex admittance), modulus of admittance,(admittance), conductance (for alternating current)
rec20 sector: Electricity and Magnetism
ucum code: S
unit symbol: S

mile (statute mile)
type: Concept
in scheme: Unit of measure
notation: SMI
conversion multiplier: 1609.344
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [mi_i]
unit symbol: mile

degree Fahrenheit hour square foot per British thermal unit (international table) inch
type: Concept
definition: Unit of specific thermal resistance according to the Imperial system of units.
in scheme: Unit of measure
notation: N88
conversion multiplier: 6.933471798515979
dimension vector: L-1 M-1 Θ1 T3
rec20 quantity: thermal resistance
rec20 sector: Heat
ucum code: [degF].h.[ft_i]2.[Btu_IT]-1.[in_i]-1
unit symbol: ºF·h·ft²/(BtuIT·in)

joule per kelvin
type: Concept
in scheme: Unit of measure
notation: JE
conversion multiplier: 1.0
dimension vector: L2 M1 Θ-1 T-2
rec20 quantity: Boltzmann constant
rec20 quantity: massieu function, planck function
rec20 quantity: heat capacity, entropy
rec20 sector: Physical Chemistry and Molecular Physics
rec20 sector: Heat
ucum code: J.K-1
unit symbol: J/K

kilolux
type: Concept
definition: A unit of illuminance equal to one thousand lux.
in scheme: Unit of measure
notation: KLX
rec20 quantity: illuminance
rec20 sector: Light and Related Electromagnetic Radiations
unit symbol: klx

cubic foot per day
type: Concept
in scheme: Unit of measure
notation: K22
conversion multiplier: 3.277413e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [cft_i].d-1
unit symbol: ft³/d

radian per second
type: Concept
definition: Refer ISO/TC12 SI Guide
in scheme: Unit of measure
notation: 2A
conversion multiplier: 1.0
dimension vector: T-1
rec20 quantity: Debye angular frequency
rec20 quantity: angular velocity
rec20 quantity: angular frequency, pulsatance
rec20 quantity: nuclear precession, cyclotron angular frequency
rec20 quantity: circular frequency
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Periodic and related phenomena
rec20 sector: Solid State Physics
rec20 sector: Space and Time
rec20 sector: Acoustics
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: rad.s-1
unit symbol: rad/s

candela per square foot
type: Concept
definition: Base unit SI candela divided by the power of the unit foot according to the Anglo-American and Imperial system of units by exponent 2.
in scheme: Unit of measure
notation: P32
conversion multiplier: 10.763910416709722
dimension vector: L-2 J1
rec20 quantity: luminance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: cd.[ft_i]-2
unit symbol: cd/ft²

kilosiemens per metre
type: Concept
in scheme: Unit of measure
notation: B54
conversion multiplier: 1000.0
dimension vector: I2 L-3 M-1 T3
rec20 quantity: conductivity
rec20 sector: Electricity and Magnetism
ucum code: kS.m-1
unit symbol: kS/m

nanomole
type: Concept
definition: An SI unit of amount of substance equal to 10−9 moles
in scheme: Unit of measure
notation: Z9
conversion multiplier: 1e-09
dimension vector: N1
rec20 quantity: amount of substance
rec20 sector: Physical Chemistry and Molecular Physics
unit symbol: nmol

inch of water (39.2 ºF)
type: Concept
definition: Non SI-conforming unit of pressure according to the Anglo-American and Imperial system for units, whereas the value of 1 inH2O meets the static pressure, which is generated by a head of water at a temperature of 39,2°F with a height of 1 inch .
in scheme: Unit of measure
notation: N18
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
unit symbol: inH₂O (39,2 ºF)

megaampere
type: Concept
in scheme: Unit of measure
notation: H38
conversion multiplier: 1000000.0
dimension vector: I1
rec20 quantity: electric current, magnetic potential difference, magnetomotive force,current linkage
rec20 sector: Electricity and Magnetism
ucum code: MA
unit symbol: MA

millimetre per hour
type: Concept
in scheme: Unit of measure
notation: H67
conversion multiplier: 2.777778e-07
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: mm.h-1
unit symbol: mm/h

picolitre
type: Concept
in scheme: Unit of measure
notation: Q33
conversion multiplier: 1e-15
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: pL
unit symbol: pl

tonne per cubic metre kelvin
type: Concept
in scheme: Unit of measure
notation: L76
conversion multiplier: 1000.0
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: t.m-3.K-1
unit symbol: (t/m³)/K

nanogray per second
type: Concept
definition: 0,000 000 001-fold of the derived SI unit gray divided by the SI base unit second.
in scheme: Unit of measure
notation: P56
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
unit symbol: nGy/s

centilitre
type: Concept
in scheme: Unit of measure
notation: CLT
conversion multiplier: 1e-05
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: cL
unit symbol: cl

kilomole
type: Concept
in scheme: Unit of measure
notation: B45
conversion multiplier: 1000.0
dimension vector: N1
rec20 quantity: amount of substance
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kmol
unit symbol: kmol

foot poundal
type: Concept
definition: Unit of the work (force-path).
in scheme: Unit of measure
notation: N46
conversion multiplier: 0.0421401100938048
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: [ft_i].[lb_av].[ft_i].s-2
unit symbol: ft·pdl

millilitre per hour kelvin
type: Concept
in scheme: Unit of measure
notation: G74
conversion multiplier: 2.7777777777777777e-10
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.h-1.K-1
unit symbol: ml/(h·K)

ampere per centimetre
type: Concept
in scheme: Unit of measure
notation: A2
conversion multiplier: 100.0
dimension vector: I1 L-1
rec20 quantity: linear electric current density, lineic electric current, magnetic field strength
rec20 sector: Electricity and Magnetism
ucum code: A.cm-1
unit symbol: A/cm

dyne metre
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit of the rotational moment.
in scheme: Unit of measure
notation: M97
conversion multiplier: 1e-05
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: dyn.m
unit symbol: dyn·m

square centimetre per steradian erg
type: Concept
in scheme: Unit of measure
notation: D17
conversion multiplier: 1000.0
dimension vector: M-1 T2
rec20 quantity: spectral angular cross-section
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: cm2.sr-1.erg-1
unit symbol: cm²/(sr·erg)

ounce (US fluid) per second
type: Concept
in scheme: Unit of measure
notation: K12
conversion multiplier: 2.95735296e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [foz_us].s-1
unit symbol: fl oz (US)/s

reciprocal mole
type: Concept
in scheme: Unit of measure
notation: C95
conversion multiplier: 1.0
dimension vector: N-1
rec20 quantity: Avogadro constant
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: /mol
unit symbol: mol⁻¹

milliroentgen
type: Concept
in scheme: Unit of measure
notation: 2Y
conversion multiplier: 2.58e-07
dimension vector: I1 M-1 T1
rec20 quantity: exposure
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mR
unit symbol: mR

gram per cubic decimetre kelvin
type: Concept
in scheme: Unit of measure
notation: G34
conversion multiplier: 1.0
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.dm-3.K-1
unit symbol: g/(dm³·K)

foot per second degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K18
conversion multiplier: 0.5486399999999999
dimension vector: L1 Θ-1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [ft_i].s-1.[degF]-1
unit symbol: (ft/s)/°F

milligram per day kelvin
type: Concept
in scheme: Unit of measure
notation: F43
conversion multiplier: 1.1574074074074074e-11
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg.d-1.K-1
unit symbol: mg/(d·K)

kilogram per millimetre
type: Concept
in scheme: Unit of measure
notation: KW
conversion multiplier: 1000.0
dimension vector: L-1 M1
rec20 quantity: linear density, linear mass
rec20 sector: Mechanics
ucum code: kg.mm-1
unit symbol: kg/mm

cubic metre per day
type: Concept
in scheme: Unit of measure
notation: G52
conversion multiplier: 1.157407e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.d-1
unit symbol: m³/d

degree Celsius per minute
type: Concept
in scheme: Unit of measure
notation: H13
conversion multiplier: 0.016666666666666666
dimension vector: Θ1 T-1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: Cel.min-1
unit symbol: °C/min

nanofarad
type: Concept
in scheme: Unit of measure
notation: C41
conversion multiplier: 1e-09
dimension vector: I2 L-2 M-1 T4
rec20 quantity: capacitance
rec20 sector: Electricity and Magnetism
ucum code: nF
unit symbol: nF

liquid quart (US)
type: Concept
in scheme: Unit of measure
notation: QTL
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: liq qt (US)

poundal per inch
type: Concept
definition: Non SI-conforming unit of the surface tension according to the Imperial unit system as quotient poundal by inch.
in scheme: Unit of measure
notation: N32
conversion multiplier: 5.44310844
dimension vector: M1 T-2
rec20 quantity: surface tension
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i].s-2.[in_i]-1
unit symbol: pdl/in

millibar per kelvin
type: Concept
in scheme: Unit of measure
notation: F84
conversion multiplier: 100.0
dimension vector: L-1 M1 Θ-1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: mbar.K-1
unit symbol: mbar/K

Temperature units
type: Collection
definition: Units of measure grouped by quantity kind: temperature.
member: degree Rankine
member: degree Fahrenheit per bar
member: degree Celsius per second
member: kelvin per pascal
member: degree Fahrenheit
member: degree Celsius per minute
member: reciprocal degree Fahrenheit
member: kelvin per bar
member: kelvin
member: kelvin per kelvin
member: degree Celsius per bar
member: degree Celsius
member: kelvin per second
member: kelvin per minute
member: degree Fahrenheit per kelvin
member: degree Celsius per kelvin
member: kelvin per hour
member: degree Celsius per hour

watt per square centimetre
type: Concept
definition: Derived SI unit watt divided by the power of the 0,01-fold the SI base unit metre by exponent 2.
in scheme: Unit of measure
notation: N48
conversion multiplier: 10000.0
dimension vector: M1 T-3
rec20 quantity: density of heat flow rate
rec20 sector: Heat
ucum code: W.cm-2
unit symbol: W/cm²

megametre
type: Concept
in scheme: Unit of measure
notation: MAM
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
unit symbol: Mm

kilogram per metre day
type: Concept
definition: Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the unit day.
in scheme: Unit of measure
notation: N39
conversion multiplier: 1.1574074074074073e-05
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: kg.m-1.d-1
unit symbol: kg/(m·d)

British thermal unit (international table) per square foot hour
type: Concept
definition: Unit of the surface heat flux according to the Imperial system of units.
in scheme: Unit of measure
notation: N50
conversion multiplier: 3.154590745063049
dimension vector: M1 T-3
rec20 quantity: density of heat flow rate
rec20 sector: Heat
ucum code: [Btu_IT].[ft_i]-2.h-1
unit symbol: BtuIT/(ft²·h)

gram per second bar
type: Concept
in scheme: Unit of measure
notation: F65
conversion multiplier: 1e-08
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.s-1.bar-1
unit symbol: g/(s·bar)

erg per second
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A63
conversion multiplier: 1e-07
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 quantity: sound power
rec20 sector: Mechanics
rec20 sector: Acoustics
ucum code: erg.s-1
unit symbol: erg/s

milliampere per millimetre
type: Concept
in scheme: Unit of measure
notation: F76
conversion multiplier: 1.0
dimension vector: I1 L-1
rec20 quantity: linear electric current density, lineic electric current, magnetic field strength
rec20 sector: Electricity and Magnetism
ucum code: mA.mm-1
unit symbol: mA/mm

watt per square metre
type: Concept
in scheme: Unit of measure
notation: D54
conversion multiplier: 1.0
dimension vector: M1 T-3
rec20 quantity: Poynting vector
rec20 quantity: energy fluence rate, (energy flux density)
rec20 quantity: sound intensity
rec20 quantity: density of heat flow rate
rec20 quantity: radiant energy, fluence rate, radiant exitance, irradiance, first radiation constant
rec20 sector: Heat
rec20 sector: Acoustics
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Electricity and Magnetism
ucum code: W.m-2
unit symbol: W/m²

revolution
type: Concept
definition: Unit to identify an angle of the full circle of 360° or 2·p·rad (Refer ISO/TC12 SI Guide).
in scheme: Unit of measure
notation: M44
conversion multiplier: 6.28318531
dimension vector: 1
rec20 quantity: angle (plane)
rec20 sector: Space and Time
unit symbol: rev

newton metre squared per kilogram squared
type: Concept
in scheme: Unit of measure
notation: C54
conversion multiplier: 1.0
dimension vector: L3 M-1 T-2
rec20 quantity: gravitational constant
rec20 sector: Mechanics
ucum code: N.m2.kg-2
unit symbol: N·m²/kg²

pascal second
type: Concept
in scheme: Unit of measure
notation: C65
conversion multiplier: 1.0
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: Pa.s
unit symbol: Pa·s

Normalised cubic metre
type: Concept
definition: Normalised cubic metre (temperature 0°C and pressure 101325 millibars )
in scheme: Unit of measure
notation: NM3
rec20 quantity: volume
rec20 sector: Space and Time

pound-force foot
type: Concept
definition: Product of the unit pound-force according to the Anglo-American system of units and the unit foot according to the Anglo-American and the Imperial system of units.
in scheme: Unit of measure
notation: M92
conversion multiplier: 1.35581807
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: [lbf_av].[ft_i]
unit symbol: lbf·ft

calorie (international table) per second square centimetre kelvin
type: Concept
deprecated: true
in scheme: Unit of measure
notation: D72
conversion multiplier: 41868.0
dimension vector: M1 Θ-1 T-3
rec20 quantity: surface coefficient of heat transfer
rec20 sector: Heat
ucum code: cal_IT.s-1.cm-2.K-1
unit symbol: calIT/(s·cm²·K)

degree Celsius
type: Concept
definition: Refer ISO 80000-5 (Quantities and units — Part 5: Thermodynamics)
in scheme: Unit of measure
notation: CEL
conversion multiplier: 1.0
conversion offset: 273.15
dimension vector: Θ1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: Cel
unit symbol: °C

pound per square foot
type: Concept
in scheme: Unit of measure
notation: FP
conversion multiplier: 4.882428
dimension vector: L-2 M1
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i]-2
unit symbol: lb/ft²

metre per degree Celcius metre
type: Concept
definition: SI base unit metre divided by the product of the unit degree Celsius and the SI base unit metre.
in scheme: Unit of measure
notation: N83
conversion multiplier: 1.0
dimension vector: Θ-1
rec20 quantity: thermal diffusivity
rec20 sector: Heat
ucum code: m.Cel-1.m-1
unit symbol: m/(°C·m)

square mile (based on U.S. survey foot)
type: Concept
definition: Unit of the area, which is mainly common in the agriculture and forestry.
in scheme: Unit of measure
notation: M48
conversion multiplier: 2589997.766409
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: [mi_i]2
unit symbol: mi² (US survey)

joule per gram
type: Concept
in scheme: Unit of measure
notation: D95
conversion multiplier: 1000.0
dimension vector: L2 T-2
rec20 quantity: massic thermodynamic energy
rec20 sector: Heat
ucum code: J.g-1
unit symbol: J/g

metre per second bar
type: Concept
in scheme: Unit of measure
notation: L13
conversion multiplier: 1e-05
dimension vector: L2 M-1 T1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: m.s-1.bar-1
unit symbol: (m/s)/bar

British thermal unit (international table) per second
type: Concept
in scheme: Unit of measure
notation: J45
conversion multiplier: 1055.05585262
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: [Btu_IT].s-1
unit symbol: BtuIT/s

centimetre per second squared
type: Concept
definition: 0,01-fold of the SI base unit metre divided by the power of the SI base unit second by exponent 2.
in scheme: Unit of measure
notation: M39
conversion multiplier: 0.01
dimension vector: L1 T-2
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
ucum code: cm.s-2
unit symbol: cm/s²

gram per millimetre
type: Concept
in scheme: Unit of measure
notation: H76
conversion multiplier: 1.0
dimension vector: L-1 M1
rec20 quantity: linear density, linear mass
rec20 sector: Mechanics
ucum code: g.mm-1
unit symbol: g/mm

tonne per day
type: Concept
in scheme: Unit of measure
notation: L71
conversion multiplier: 0.011574074074074
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.d-1
unit symbol: t/d

ohm per mile (statute mile)
type: Concept
in scheme: Unit of measure
notation: F55
conversion multiplier: 0.0006213712
dimension vector: I-2 L1 M1 T-3
rec20 quantity: lineic resistance
rec20 sector: Electricity and Magnetism
ucum code: Ohm.[mi_i]-1
unit symbol: Ω/mi

nanogram per kilogram
type: Concept
in scheme: Unit of measure
notation: L32
conversion multiplier: 1e-12
dimension vector: 1
rec20 quantity: mass ratio
rec20 sector: Mechanics
ucum code: ng.kg-1
unit symbol: ng/kg

calorie (thermochemical) per second square centimetre kelvin
type: Concept
deprecated: true
in scheme: Unit of measure
notation: D39
conversion multiplier: 41840.0
dimension vector: M1 Θ-1 T-3
rec20 quantity: surface coefficient of heat transfer
rec20 sector: Heat
ucum code: cal_th.s-1.cm-2.K-1
unit symbol: calth/(s·cm²·K)

newton second per square metre
type: Concept
definition: Unit of the dynamic viscosity as a product of unit of the pressure (newton by square metre) multiplied with the SI base unit second.
in scheme: Unit of measure
notation: N36
conversion multiplier: 1.0
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: N.s.m-2
unit symbol: (N/m²)·s

joule per metre to the fourth power
type: Concept
in scheme: Unit of measure
notation: B14
conversion multiplier: 1.0
dimension vector: L-2 M1 T-2
rec20 quantity: spectral concentration of radiant energy density (in terms of wavelength),spectral radiant energy density (in terms of wave length)
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: J.m-4
unit symbol: J/m⁴

watt per square metre kelvin
type: Concept
in scheme: Unit of measure
notation: D55
conversion multiplier: 1.0
dimension vector: M1 Θ-1 T-3
rec20 quantity: coefficient of heat transfer
rec20 sector: Heat
ucum code: W.m-2.K-1
unit symbol: W/(m²·K)

volt - ampere
type: Concept
in scheme: Unit of measure
notation: D46
conversion multiplier: 1.0
dimension vector: L2 M1 T-3
rec20 quantity: apparent power
rec20 sector: Electricity and Magnetism
ucum code: VA
unit symbol: V·A

British thermal unit (international table) per hour square foot degree Rankine
type: Concept
in scheme: Unit of measure
notation: A23
conversion multiplier: 5.678263341113487
dimension vector: M1 Θ-1 T-3
rec20 quantity: surface coefficient of heat transfer
rec20 sector: Heat
ucum code: [Btu_IT].h-1.[ft_i]-2.[degR]-1
unit symbol: BtuIT/(h·ft²·°R)

kelvin metre per watt
type: Concept
in scheme: Unit of measure
notation: H35
conversion multiplier: 1.0
dimension vector: L-1 M-1 Θ1 T3
rec20 quantity: thermal resistance
rec20 sector: Heat
ucum code: m.K.W-1
unit symbol: K·m/W

yard per second squared
type: Concept
definition: Unit of the length according to the Anglo-American and Imperial system of units divided by the power of the SI base unit second by exponent 2.
in scheme: Unit of measure
notation: M40
conversion multiplier: 0.9144
dimension vector: L1 T-2
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
ucum code: [yd_i].s-2
unit symbol: yd/s²

electronvolt square metre per kilogram
type: Concept
in scheme: Unit of measure
notation: A56
conversion multiplier: 1.602176487e-19
dimension vector: L4 T-2
rec20 quantity: total mass stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: eV.m2.kg-1
unit symbol: eV·m²/kg

degree Fahrenheit hour square foot per British thermal unit (thermochemical) inch
type: Concept
definition: Unit of specific thermal resistance according to the Imperial system of units.
in scheme: Unit of measure
notation: N89
conversion multiplier: 6.938111789130206
dimension vector: L-1 M-1 Θ1 T3
rec20 quantity: thermal resistance
rec20 sector: Heat
ucum code: [degF].h.[ft_i]2.[Btu_th]-1.[in_i]-1
unit symbol: ºF·h·ft²/(Btuth·in)

gill (US) per second
type: Concept
in scheme: Unit of measure
notation: K39
conversion multiplier: 0.0001182941
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gil_us].s-1
unit symbol: gi (US)/s

microcoulomb per square metre
type: Concept
in scheme: Unit of measure
notation: B88
conversion multiplier: 1e-06
dimension vector: I1 L-2 T1
rec20 quantity: surface density of charge, electric flux density, displacement electric polarization
rec20 sector: Electricity and Magnetism
ucum code: uC.m-2
unit symbol: µC/m²

milligram per day
type: Concept
in scheme: Unit of measure
notation: F32
conversion multiplier: 1.157407e-11
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg.d-1
unit symbol: mg/d

millimole per gram
type: Concept
in scheme: Unit of measure
notation: H68
conversion multiplier: 1.0
dimension vector: N1 M-1
rec20 quantity: ionic strength
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mmol.g-1
unit symbol: mmol/g

pound-force
type: Concept
in scheme: Unit of measure
notation: C78
conversion multiplier: 4.448222
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: [lbf_av]
unit symbol: lbf

centimetre of mercury
type: Concept
deprecated: true
in scheme: Unit of measure
notation: J89
conversion multiplier: 1333.224
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: cm[Hg]
unit symbol: cm Hg

pound (avoirdupois) per cubic foot psi
type: Concept
in scheme: Unit of measure
notation: K70
conversion multiplier: 0.0023232815854335254
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i]-3.[psi]-1
unit symbol: (lb/ft³)/psi

femtolitre
type: Concept
in scheme: Unit of measure
notation: Q32
conversion multiplier: 1e-18
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: fL
unit symbol: fl

cubic metre per minute
type: Concept
in scheme: Unit of measure
notation: G53
conversion multiplier: 0.01666667
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.min-1
unit symbol: m³/min

metre per kelvin
type: Concept
in scheme: Unit of measure
notation: F52
conversion multiplier: 1.0
dimension vector: L1 Θ-1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: m/K
unit symbol: m/K

cubic inch per second
type: Concept
in scheme: Unit of measure
notation: G58
conversion multiplier: 1.638706e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [cin_i].s-1
unit symbol: in³/s

peck (UK) per minute
type: Concept
in scheme: Unit of measure
notation: L46
conversion multiplier: 0.00015153635
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pk_br].min-1
unit symbol: pk (UK)/min

megawatt
type: Concept
definition: A unit of power defining the rate of energy transferred or consumed when a current of 1000 amperes flows due to a potential of 1000 volts at unity power factor.
in scheme: Unit of measure
notation: MAW
conversion multiplier: 1000000.0
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 quantity: power (for direct current), active power
rec20 sector: Mechanics
rec20 sector: Electricity and Magnetism
ucum code: MW
unit symbol: MW

square kilometre
type: Concept
in scheme: Unit of measure
notation: KMK
conversion multiplier: 1000000.0
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: km2
unit symbol: km²

reciprocal cubic yard
type: Concept
in scheme: Unit of measure
notation: M10
conversion multiplier: 1.307951
dimension vector: L-3
rec20 quantity: volumic number of molecules (or particles), number density of molecules (or particles), molecular concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: [cyd_i]-1
unit symbol: 1/yd³

French gauge
type: Concept
definition: A unit of distance used for measuring the diameter of small tubes such as urological instruments and catheters. Synonym: French, Charrière, Charrière gauge
in scheme: Unit of measure
notation: H79
conversion multiplier: 0.0003333333
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [Ch]
unit symbol: Fg

millisievert per second
type: Concept
definition: 0,001-fold of the derived SI unit sievert divided by the SI base unit second.
in scheme: Unit of measure
notation: P66
conversion multiplier: 0.001
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mSv.s-1
unit symbol: mSv/s

slug per foot second
type: Concept
in scheme: Unit of measure
notation: L64
conversion multiplier: 47.8802591863517
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
unit symbol: slug/(ft·s)

cubic centimetre per second bar
type: Concept
in scheme: Unit of measure
notation: G81
conversion multiplier: 1e-11
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.s-1.bar-1
unit symbol: cm³/(s·bar)

pound-force foot per ampere
type: Concept
in scheme: Unit of measure
notation: F22
conversion multiplier: 1355.8180091635804
dimension vector: I-1 L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: [lbf_av].[ft_i].A-1
unit symbol: lbf·ft/A

kelvin per minute
type: Concept
in scheme: Unit of measure
notation: F11
conversion multiplier: 0.01666667
dimension vector: Θ1 T-1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: K.min-1
unit symbol: K/min

micrometre per kelvin
type: Concept
in scheme: Unit of measure
notation: F50
conversion multiplier: 1e-06
dimension vector: L1 Θ-1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: um.K-1
unit symbol: µm/K

pound (avoirdupois) per hour degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K73
conversion multiplier: 0.000226796185
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lb_av].h-1.[degF]-1
unit symbol: (lb/h)/°F

kilovolt per metre
type: Concept
in scheme: Unit of measure
notation: B55
conversion multiplier: 1000.0
dimension vector: I-1 L1 M1 T-3
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: kV.m-1
unit symbol: kV/m

millimetre squared per second
type: Concept
in scheme: Unit of measure
notation: C17
conversion multiplier: 1e-06
dimension vector: L2 T-1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: mm2.s-1
unit symbol: mm²/s

cubic foot per psi
type: Concept
in scheme: Unit of measure
notation: K23
conversion multiplier: 4.107011185085685e-06
dimension vector: L4 M-1 T2
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [ft_i]3.[psi]-1
unit symbol: ft³/psi

British thermal unit (thermochemical) per square foot minute
type: Concept
definition: Unit of the surface heat flux according to the Imperial system of units.
in scheme: Unit of measure
notation: N52
conversion multiplier: 189.14886324853668
dimension vector: M1 T-3
rec20 quantity: density of heat flow rate
rec20 sector: Heat
ucum code: [Btu_th].[ft_i]-2.min-1
unit symbol: Btuth/(ft²·min)

day
type: Concept
in scheme: Unit of measure
notation: DAY
conversion multiplier: 86400.0
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: d
unit symbol: d

microsiemens per centimetre
type: Concept
in scheme: Unit of measure
notation: G42
conversion multiplier: 0.0001
dimension vector: I2 L-3 M-1 T3
rec20 quantity: conductance (for direct current), admittance, (complex admittance), modulus of admittance,(admittance), conductance (for alternating current)
rec20 sector: Electricity and Magnetism
ucum code: uS.cm-1
unit symbol: µS/cm

newton centimetre
type: Concept
in scheme: Unit of measure
notation: F88
conversion multiplier: 0.01
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: N.cm
unit symbol: N·cm

metre per hour
type: Concept
definition: SI base unit metre divided by the unit hour.
in scheme: Unit of measure
notation: M60
conversion multiplier: 0.000277777778
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: m.h-1
unit symbol: m/h

kilopound per hour
type: Concept
definition: 1000-fold of the unit of the mass avoirdupois pound according to the avoirdupois unit system divided by the unit hour.
in scheme: Unit of measure
notation: M90
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
unit symbol: klb/h

milliampere hour
type: Concept
definition: A unit of power load delivered at the rate of one thousandth of an ampere over a period of one hour.
in scheme: Unit of measure
notation: E09
conversion multiplier: 3.6
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: mA.h
unit symbol: mA·h

metre per second kelvin
type: Concept
in scheme: Unit of measure
notation: L12
conversion multiplier: 1.0
dimension vector: L1 Θ-1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: m.s-1.K-1
unit symbol: (m/s)/K

gallon (US liquid) per second
type: Concept
in scheme: Unit of measure
notation: K30
conversion multiplier: 0.003785412
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gal_us].s-1
unit symbol: gal (US liq.)/s

millivolt - ampere
type: Concept
in scheme: Unit of measure
notation: M35
rec20 quantity: apparent power
rec20 sector: Electricity and Magnetism
unit symbol: mV·A

megajoule per kilogram
type: Concept
in scheme: Unit of measure
notation: JK
conversion multiplier: 1000000.0
dimension vector: L2 T-2
rec20 quantity: specific thermodynamic energy
rec20 sector: Heat
ucum code: MJ.kg-1
unit symbol: MJ/kg

kip per square inch
type: Concept
definition: Non SI-conforming unit of the pressure according to the Anglo-American system of units as the 1000-fold of the unit of the force pound-force divided by the power of the unit inch by exponent 2.
in scheme: Unit of measure
notation: N20
conversion multiplier: 6894757.89
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: k[lbf_av].[in_i]-2
unit symbol: ksi

ton, register
type: Concept
definition: Traditional unit of the cargo capacity.
in scheme: Unit of measure
notation: M70
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: RT

picometre
type: Concept
in scheme: Unit of measure
notation: C52
conversion multiplier: 1e-12
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: pm
unit symbol: pm

square metre per kilogram
type: Concept
in scheme: Unit of measure
notation: D21
conversion multiplier: 1.0
dimension vector: L2 M-1
rec20 quantity: mass attenuation coefficient
rec20 quantity: mass energy transfer coefficient
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: m2.kg-1
unit symbol: m²/kg

cubic centimetre per day
type: Concept
in scheme: Unit of measure
notation: G47
conversion multiplier: 1.157407e-11
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.d-1
unit symbol: cm³/d

calorie (mean)
type: Concept
in scheme: Unit of measure
notation: J75
conversion multiplier: 4.19
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
ucum code: cal_m
unit symbol: cal

quart (US liquid) per day
type: Concept
in scheme: Unit of measure
notation: K98
conversion multiplier: 1.095316e-08
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [qt_us].d-1
unit symbol: qt (US liq.)/d

picohenry
type: Concept
in scheme: Unit of measure
notation: C73
conversion multiplier: 1e-12
dimension vector: I-2 L2 M1 T-2
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: pH
unit symbol: pH

mole per cubic metre bar
type: Concept
in scheme: Unit of measure
notation: L29
conversion multiplier: 1e-05
dimension vector: N1 L-2 M-1 T2
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.m-3.bar-1
unit symbol: (mol/m³)/bar

gallon (UK)
type: Concept
in scheme: Unit of measure
notation: GLI
conversion multiplier: 0.00454609
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [gal_br]
unit symbol: gal (UK)

picofarad
type: Concept
in scheme: Unit of measure
notation: 4T
conversion multiplier: 1e-12
dimension vector: I2 L-2 M-1 T4
rec20 quantity: capacitance
rec20 sector: Electricity and Magnetism
ucum code: pF
unit symbol: pF

kilogram metre squared
type: Concept
in scheme: Unit of measure
notation: B32
conversion multiplier: 1.0
dimension vector: L2 M1
rec20 quantity: moment of inertia (dynamic moment of inertia)
rec20 sector: Mechanics
ucum code: kg.m2
unit symbol: kg·m²

cubic foot per degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K21
conversion multiplier: 0.05097033
dimension vector: L3 Θ-1
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [cft_i].[degF]-1
unit symbol: ft³/°F

sievert per hour
type: Concept
definition: Derived SI unit sievert divided by the unit hour.
in scheme: Unit of measure
notation: P70
conversion multiplier: 0.0002777777777777778
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: Sv.h-1
unit symbol: Sv/h

kilogram per litre
type: Concept
in scheme: Unit of measure
notation: B35
conversion multiplier: 1000.0
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Mechanics
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kg.L-1
unit symbol: kg/l or kg/L

microhenry per ohm
type: Concept
in scheme: Unit of measure
notation: G99
conversion multiplier: 1e-06
dimension vector: T1
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: uH.Ohm-1
unit symbol: µH/Ω

fathom
type: Concept
in scheme: Unit of measure
notation: AK
conversion multiplier: 1.8288
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [fth_i]
unit symbol: fth

British thermal unit (international table) per degree Rankine
type: Concept
definition: Unit of the heat capacity according to the Imperial system of units.
in scheme: Unit of measure
notation: N62
conversion multiplier: 1899.100535
dimension vector: L2 M1 Θ-1 T-2
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: [Btu_IT].[degR]-1
unit symbol: BtuIT/ºR

kilonewton metre
type: Concept
in scheme: Unit of measure
notation: B48
conversion multiplier: 1000.0
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: kN.m
unit symbol: kN·m

milligram per square centimetre
type: Concept
in scheme: Unit of measure
notation: H63
conversion multiplier: 0.01
dimension vector: L-2 M1
rec20 quantity: surface density, areic mass
rec20 sector: Mechanics
ucum code: mg.cm-2
unit symbol: mg/cm²

millihenry per kiloohm
type: Concept
in scheme: Unit of measure
notation: H05
conversion multiplier: 1e-06
dimension vector: T1
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: mH.kOhm-1
unit symbol: mH/kΩ

barrel (UK petroleum) per minute
type: Concept
in scheme: Unit of measure
notation: J58
conversion multiplier: 0.002651886
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
unit symbol: bbl (UK liq.)/min

kilovolt ampere (reactive)
type: Concept
deprecated: true
definition: Use kilovar (common code KVR)
in scheme: Unit of measure
notation: K5
rec20 quantity: reactive power
rec20 sector: Electricity and Magnetism
unit symbol: kvar

mile (statute mile) per second squared
type: Concept
definition: Unit of the length according to the Imperial system of units divided by the power of the SI base unit second by exponent 2.
in scheme: Unit of measure
notation: M42
conversion multiplier: 1609.347
dimension vector: L1 T-2
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
ucum code: [mi_us].s-2
unit symbol: mi/s²

dry pint (US)
type: Concept
in scheme: Unit of measure
notation: PTD
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: dry pt (US)

gill (UK) per day
type: Concept
in scheme: Unit of measure
notation: K32
conversion multiplier: 1.644274e-09
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gil_br].d-1
unit symbol: gi (UK)/d

ampere per square metre kelvin squared
type: Concept
in scheme: Unit of measure
notation: A6
conversion multiplier: 1.0
dimension vector: I1 L-2 Θ-2
rec20 quantity: Richardson constant
rec20 sector: Solid State Physics
ucum code: A.m-2.K-2
unit symbol: A/(m²·K²)

decitonne
type: Concept
definition: Synonym: centner, metric 100 kg; quintal, metric 100 kg
in scheme: Unit of measure
notation: DTN
conversion multiplier: 100.0
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: dt
unit symbol: dt or dtn

ton, assay
type: Concept
definition: Non SI-conforming unit of the mass used in the mineralogy to determine the concentration of precious metals in ore according to the mass of the precious metal in milligrams in a sample of the mass of an assay sound (number of troy ounces in a short ton (1 000 lb)).
in scheme: Unit of measure
notation: M85
conversion multiplier: 0.02916667
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics

millimetre per minute
type: Concept
in scheme: Unit of measure
notation: H81
conversion multiplier: 1.666667e-05
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: mm.min-1
unit symbol: mm/min

picowatt per square metre
type: Concept
in scheme: Unit of measure
notation: C76
conversion multiplier: 1e-12
dimension vector: M1 T-3
rec20 quantity: sound intensity
rec20 sector: Acoustics
ucum code: pW.m-2
unit symbol: pW/m²

ampere per kilogram
type: Concept
in scheme: Unit of measure
notation: H31
conversion multiplier: 1.0
dimension vector: I1 M-1
rec20 quantity: current density
rec20 sector: Electricity and Magnetism
ucum code: A.kg-1
unit symbol: A/kg

stokes per bar
type: Concept
in scheme: Unit of measure
notation: G46
conversion multiplier: 1e-09
dimension vector: L3 M-1 T1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: St.bar-1
unit symbol: St/bar

gigapascal
type: Concept
in scheme: Unit of measure
notation: A89
conversion multiplier: 1000000000.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: GPa
unit symbol: GPa

cubic yard per hour
type: Concept
in scheme: Unit of measure
notation: M13
conversion multiplier: 0.00021237634944
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [cyd_i].h-1
unit symbol: yd³/h

reciprocal bar
type: Concept
in scheme: Unit of measure
notation: F58
conversion multiplier: 1e-05
dimension vector: L1 M-1 T2
rec20 quantity: compressibility, bulk compressibility
rec20 sector: Mechanics
ucum code: /bar
unit symbol: 1/bar

megaohm metre
type: Concept
in scheme: Unit of measure
notation: B76
conversion multiplier: 1000000.0
dimension vector: I-2 L3 M1 T-3
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
ucum code: m.MOhm
unit symbol: MΩ·m

tonne per minute bar
type: Concept
in scheme: Unit of measure
notation: L80
conversion multiplier: 0.00016666666666666666
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.min-1.bar-1
unit symbol: (t/min)/bar

Acoustic (sound) units
type: Collection
definition: Units of measure grouped by quantity kind: acoustic (sound).
member: decibel per kilometre
member: milliwatt per square metre
member: metre
member: decibel
member: sone
member: metre per second
member: watt per square metre
member: decibel per metre
member: bel per metre
member: metre per second squared
member: picowatt per square metre
member: erg per second square centimetre
member: phon
member: microwatt per square metre
member: pascal squared second

cubic metre per day kelvin
type: Concept
in scheme: Unit of measure
notation: G69
conversion multiplier: 1.1574074074074073e-05
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.d-1.K-1
unit symbol: m³/(d·K)

microcoulomb
type: Concept
in scheme: Unit of measure
notation: B86
conversion multiplier: 1e-06
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: uC
unit symbol: µC

ounce (avoirdupois) per second
type: Concept
in scheme: Unit of measure
notation: L36
conversion multiplier: 0.02834952
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [oz_av].s-1
unit symbol: oz/s

Luminous intensity & illuminance units
type: Collection
definition: Units of measure grouped by quantity kind: luminous intensity & illuminance.
member: reciprocal second per steradian metre squared
member: international candle
member: stilb
member: watt per steradian
member: kilocandela
member: reciprocal second per metre squared
member: Hefner-Kerze
member: reciprocal second per steradian
member: kilolux
member: lumen second
member: candela per square inch
member: one
member: lumen per square foot
member: lumen per square metre
member: lumen hour
member: reciprocal square metre
member: candela per square metre
member: lumen per watt
member: lambert
member: lux
member: phot
member: footlambert
member: candela per square foot
member: candela
member: lumen
member: millicandela
member: reciprocal second
member: footcandle

gram per square centimetre
type: Concept
in scheme: Unit of measure
notation: 25
conversion multiplier: 10.0
dimension vector: L-2 M1
rec20 quantity: surface density, areic mass
rec20 sector: Mechanics
ucum code: g.cm-2
unit symbol: g/cm²

volt per inch
type: Concept
in scheme: Unit of measure
notation: H23
conversion multiplier: 39.37007874015748
dimension vector: I-1 L1 M1 T-3
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.[in_i]-1
unit symbol: V/in

millisievert per minute
type: Concept
definition: 0,001-fold of the derived SI unit sievert divided by the unit minute.
in scheme: Unit of measure
notation: P75
conversion multiplier: 1.6666666666666667e-05
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mSv.min-1
unit symbol: mSv/min

kilojoule per kilogram
type: Concept
in scheme: Unit of measure
notation: B42
conversion multiplier: 1000.0
dimension vector: L2 T-2
rec20 quantity: massic enthalpy, specific enthalpy
rec20 sector: Heat
ucum code: kJ.kg-1
unit symbol: kJ/kg

becquerel per kilogram
type: Concept
in scheme: Unit of measure
notation: A18
conversion multiplier: 1.0
dimension vector: M-1 T-1
rec20 quantity: specific activity in a sample
rec20 sector: Atomic and Nuclear Physics
ucum code: Bq.kg-1
unit symbol: Bq/kg

megahertz metre
type: Concept
in scheme: Unit of measure
notation: M27
conversion multiplier: 1000000.0
dimension vector: L1 T-1
rec20 quantity: coefficient, performance characteristic
rec20 sector: Electricity and Magnetism
ucum code: MHz.m
unit symbol: MHz·m

erg
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A57
conversion multiplier: 1e-07
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 quantity: average energy loss per ion, pair formed, (average energy loss per elementary charge of the same sign produced)
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Mechanics
ucum code: erg
unit symbol: erg

picosiemens per metre
type: Concept
in scheme: Unit of measure
notation: L42
conversion multiplier: 1e-12
dimension vector: I2 L-3 M-1 T3
rec20 quantity: conductivity
rec20 sector: Electricity and Magnetism
ucum code: pS.m-1
unit symbol: pS/m

millicandela
type: Concept
definition: 0,001-fold of the SI base unit candela.
in scheme: Unit of measure
notation: P34
conversion multiplier: 0.001
dimension vector: J1
rec20 quantity: luminous intensity
rec20 sector: Light and Related Electromagnetic Radiations
unit symbol: mcd

inch per minute
type: Concept
definition: Unit inch according to the Anglo-American and Imperial system of units divided by the unit minute.
in scheme: Unit of measure
notation: M63
conversion multiplier: 0.000423333333
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [in_i].min-1
unit symbol: in/min

pound-force per square foot
type: Concept
in scheme: Unit of measure
notation: K85
conversion multiplier: 47.8802631
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [lbf_av].[sft_i]-1
unit symbol: lbf/ft²

joule per mole kelvin
type: Concept
in scheme: Unit of measure
notation: B16
conversion multiplier: 1.0
dimension vector: N-1 L2 M1 Θ-1 T-2
rec20 quantity: molar heat capacity, molar entropy, molar gas constant
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: J.mol-1.K-1
unit symbol: J/(mol·K)

cubic centimetre per kelvin
type: Concept
in scheme: Unit of measure
notation: G27
conversion multiplier: 1e-06
dimension vector: L3 Θ-1
rec20 quantity: volume per temperature
rec20 sector: Space and Time
ucum code: cm3.K-1
unit symbol: cm³/K

microlitre
type: Concept
in scheme: Unit of measure
notation: 4G
conversion multiplier: 1e-09
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: uL
unit symbol: µl

kiloweber
type: Concept
definition: 1000 fold of the derived SI unit weber.
in scheme: Unit of measure
notation: P11
conversion multiplier: 1000.0
dimension vector: I-1 L2 M1 T-2
rec20 quantity: magnetic flux
rec20 sector: Electricity and Magnetism
unit symbol: kWb

meganewton metre
type: Concept
in scheme: Unit of measure
notation: B74
conversion multiplier: 1000000.0
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: MN.m
unit symbol: MN·m

Time, duration units
type: Collection
definition: Units of measure grouped by quantity kind: time, duration.
member: hour
member: tropical year
member: millisecond
member: degree Rankine per second
member: degree Rankine per hour
member: microsecond
member: second [unit of time]
member: week
member: sidereal year
member: degree Rankine per minute
member: degree Fahrenheit per second
member: year
member: degree Fahrenheit per hour
member: common year
member: nanosecond
member: minute [unit of time]
member: picosecond
member: shake
member: kilosecond
member: day
member: degree Fahrenheit per minute
member: month

foot of water
type: Concept
deprecated: true
in scheme: Unit of measure
notation: K24
conversion multiplier: 2989.067
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [ft_i'H2O]
unit symbol: ft H₂O

peck (US dry) per minute
type: Concept
in scheme: Unit of measure
notation: L50
conversion multiplier: 0.000146829459067
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pk_us].min-1
unit symbol: pk (US dry)/min

milligray per hour
type: Concept
definition: 0,001-fold of the derived SI unit gray divided by the unit hour.
in scheme: Unit of measure
notation: P62
conversion multiplier: 2.7777777777777776e-07
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mGy.h-1
unit symbol: mGy/h

reciprocal litre
type: Concept
in scheme: Unit of measure
notation: K63
conversion multiplier: 1000.0
dimension vector: L-3
rec20 quantity: volumic number of molecules (or particles), number density of molecules (or particles), molecular concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: /L
unit symbol: 1/l

stone (UK)
type: Concept
in scheme: Unit of measure
notation: STI
conversion multiplier: 6.35029318
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [stone_av]
unit symbol: st

microwatt
type: Concept
in scheme: Unit of measure
notation: D80
conversion multiplier: 1e-06
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 quantity: power (for direct current), active power
rec20 sector: Mechanics
rec20 sector: Electricity and Magnetism
ucum code: uW
unit symbol: µW

milliweber
type: Concept
in scheme: Unit of measure
notation: C33
conversion multiplier: 0.001
dimension vector: I-1 L2 M1 T-2
rec20 quantity: magnetic flux
rec20 sector: Electricity and Magnetism
ucum code: mWb
unit symbol: mWb

microcoulomb per cubic metre
type: Concept
in scheme: Unit of measure
notation: B87
conversion multiplier: 1e-06
dimension vector: I1 L-3 T1
rec20 quantity: volume density of charge, charge density, volumic charge
rec20 sector: Electricity and Magnetism
ucum code: uC.m-3
unit symbol: µC/m³

mole per cubic decimetre
type: Concept
in scheme: Unit of measure
notation: C35
conversion multiplier: 1000.0
dimension vector: N1 L-3
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.dm-3
unit symbol: mol/dm³

denier
type: Concept
definition: Traditional unit for the indication of the linear mass of textile fibers and yarns.
in scheme: Unit of measure
notation: M83
rec20 quantity: linear density, linear mass
rec20 sector: Mechanics
unit symbol: den

joule square metre per kilogram
type: Concept
in scheme: Unit of measure
notation: B20
conversion multiplier: 1.0
dimension vector: L4 T-2
rec20 quantity: total mass stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: J.m2.kg-1
unit symbol: J·m²/kg

megaohm per kilometre
type: Concept
in scheme: Unit of measure
notation: H36
conversion multiplier: 1000.0
dimension vector: I-2 L1 M1 T-3
rec20 quantity: lineic resistance
rec20 sector: Electricity and Magnetism
ucum code: MOhm.km-1
unit symbol: MΩ/km

kilomole per minute
type: Concept
in scheme: Unit of measure
notation: K61
conversion multiplier: 16.666666666666668
dimension vector: N1 T-1
rec20 quantity: molar flux
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kmol.min-1
unit symbol: kmol/min

kilocalorie (thermochemical)
type: Concept
in scheme: Unit of measure
notation: K53
conversion multiplier: 4184.0
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
ucum code: kcal
unit symbol: kcalth

candela
type: Concept
in scheme: Unit of measure
notation: CDL
conversion multiplier: 1.0
dimension vector: J1
rec20 quantity: luminous intensity
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: cd
unit symbol: cd

gram per second kelvin
type: Concept
in scheme: Unit of measure
notation: F38
conversion multiplier: 0.001
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.s-1.K-1
unit symbol: g/(s·K)

milligram per litre
type: Concept
in scheme: Unit of measure
notation: M1
conversion multiplier: 0.001
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: mg.L-1
unit symbol: mg/l

calorie (international table) per gram degree Celsius
type: Concept
in scheme: Unit of measure
notation: J76
conversion multiplier: 4186.8
dimension vector: L2 Θ-1 T-2
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: cal_IT.g-1.Cel-1
unit symbol: calIT/(g·°C)

ohm
type: Concept
in scheme: Unit of measure
notation: OHM
conversion multiplier: 1.0
dimension vector: I-2 L2 M1 T-3
rec20 quantity: resistance (to direct current), impedance, (complex impedances), modulus of impedance, resistance (to alternating current), reactance
rec20 sector: Electricity and Magnetism
ucum code: Ohm
unit symbol: Ω

calorie (thermochemical) per square centimetre
type: Concept
definition: Unit of the areal-related energy transmission according to the Imperial system of units.
in scheme: Unit of measure
notation: P39
conversion multiplier: 41840.0
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: cal_th.cm-2
unit symbol: calth/cm²

British thermal unit (thermochemical) inch per second square foot degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: J49
rec20 quantity: thermal conductivity
rec20 sector: Heat
unit symbol: Btuth·in/(s·ft²·°F)

coulomb per mole
type: Concept
in scheme: Unit of measure
notation: A32
conversion multiplier: 1.0
dimension vector: N-1 I1 T1
rec20 quantity: Faraday constant
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: C.mol-1
unit symbol: C/mol

gram per day
type: Concept
in scheme: Unit of measure
notation: F26
conversion multiplier: 1.157407e-08
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.d-1
unit symbol: g/d

gigaohm per metre
type: Concept
in scheme: Unit of measure
notation: M26
conversion multiplier: 1000000000.0
dimension vector: I-2 L1 M1 T-3
rec20 quantity: resistance load per unit length
rec20 sector: Electricity and Magnetism
ucum code: GOhm.m-1
unit symbol: GΩ/m

degree Rankine
type: Concept
definition: Refer ISO 80000-5 (Quantities and units — Part 5: Thermodynamics)
in scheme: Unit of measure
notation: A48
conversion multiplier: 0.5555555555555556
dimension vector: Θ1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: [degR]
unit symbol: °R

kiloampere
type: Concept
in scheme: Unit of measure
notation: B22
conversion multiplier: 1000.0
dimension vector: I1
rec20 quantity: electric current, magnetic potential difference, magnetomotive force,current linkage
rec20 sector: Electricity and Magnetism
ucum code: kA
unit symbol: kA

tesla
type: Concept
in scheme: Unit of measure
notation: D33
conversion multiplier: 1.0
dimension vector: I-1 M1 T-2
rec20 quantity: thermodynamic critical magnetic flux density, lower critical magnetic flux density, upper critical magnetic flux density
rec20 quantity: magnetic flux density, magnetic induction, magnetic polarization
rec20 sector: Solid State Physics
rec20 sector: Electricity and Magnetism
ucum code: T
unit symbol: T

watt per steradian
type: Concept
in scheme: Unit of measure
notation: D57
conversion multiplier: 1.0
dimension vector: L2 M1 T-3
rec20 quantity: radiant intensity
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: W.sr-1
unit symbol: W/sr

ton (US short) per cubic yard
type: Concept
in scheme: Unit of measure
notation: L93
conversion multiplier: 1186.3112117181538
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [ston_av].[cyd_i]-1
unit symbol: ton.s/yd³ (US)

ounce (avoirdupois) per cubic yard
type: Concept
in scheme: Unit of measure
notation: G32
conversion multiplier: 0.0370798
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [oz_av].[cyd_i]-1
unit symbol: oz/yd³

square metre kelvin per watt
type: Concept
in scheme: Unit of measure
notation: D19
conversion multiplier: 1.0
dimension vector: M-1 Θ1 T3
rec20 quantity: thermal insulance, coefficient of thermal insulation
rec20 sector: Heat
ucum code: m2.K.W-1
unit symbol: m²·K/W

millilitre per day bar
type: Concept
in scheme: Unit of measure
notation: G90
conversion multiplier: 1.1574074074074073e-16
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.d-1.bar-1
unit symbol: ml/(d·bar)

nanolitre
type: Concept
in scheme: Unit of measure
notation: Q34
conversion multiplier: 1e-12
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: nL
unit symbol: nl

dyne per square centimetre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: D9
conversion multiplier: 0.1
dimension vector: L-1 M1 T-2
rec20 quantity: static pressure, (instantaneous) sound pressure
rec20 sector: Acoustics
ucum code: dyn.cm-2
unit symbol: dyn/cm²

foot (U.S. survey)
type: Concept
definition: Unit commonly used in the United States for ordnance survey._x000D_
in scheme: Unit of measure
notation: M51
conversion multiplier: 0.3048006
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [ft_us]
unit symbol: ft (US survey)

yard per psi
type: Concept
in scheme: Unit of measure
notation: L99
conversion multiplier: 0.00013262250143006145
dimension vector: L2 M-1 T2
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [yd_i].[psi]-1
unit symbol: yd/psi

pound-force per yard
type: Concept
definition: Unit of force per unit length based on the Anglo-American system of units.
in scheme: Unit of measure
notation: N33
conversion multiplier: 4.864634530666167
dimension vector: M1 T-2
rec20 quantity: surface tension
rec20 sector: Mechanics
ucum code: [lbf_av].[yd_i]-1
unit symbol: lbf/yd

ohm metre
type: Concept
in scheme: Unit of measure
notation: C61
conversion multiplier: 1.0
dimension vector: I-2 L3 M1 T-3
rec20 quantity: residual resistivity
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
rec20 sector: Solid State Physics
ucum code: Ohm.m
unit symbol: Ω·m

ton long per day
type: Concept
in scheme: Unit of measure
notation: L85
conversion multiplier: 0.011759259259259
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lton_av].d-1
unit symbol: ton (UK)/d

acre
type: Concept
in scheme: Unit of measure
notation: ACR
conversion multiplier: 4046.8564224
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: [acr_br]
unit symbol: acre

pint (UK) per minute
type: Concept
in scheme: Unit of measure
notation: L55
conversion multiplier: 9.471022e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pt_br].min-1
unit symbol: pt (UK)/min

micrometre (micron)
type: Concept
in scheme: Unit of measure
notation: 4H
conversion multiplier: 1e-06
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: um
unit symbol: µm

acre-foot (based on U.S. survey foot)
type: Concept
definition: Unit of the volume, which is used in the United States to measure/gauge the capacity of reservoirs.
in scheme: Unit of measure
notation: M67
conversion multiplier: 1233.4842656613735
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [acr_br].[ft_us]
unit symbol: acre-ft (US survey)

degree Celsius per bar
type: Concept
in scheme: Unit of measure
notation: F60
conversion multiplier: 1e-05
dimension vector: L1 M-1 Θ1 T2
rec20 quantity: temperature
rec20 sector: Heat
ucum code: Cel.bar-1
unit symbol: °C/bar

microfarad per kilometre
type: Concept
in scheme: Unit of measure
notation: H28
conversion multiplier: 1e-09
dimension vector: I2 L-3 M-1 T4
rec20 quantity: permittivity, permittivity of vacuum, (electric constant)
rec20 sector: Electricity and Magnetism
ucum code: uF.km-1
unit symbol: µF/km

litre per mole
type: Concept
in scheme: Unit of measure
notation: B58
conversion multiplier: 0.001
dimension vector: N-1 L3
rec20 quantity: molar volume
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: L.mol-1
unit symbol: l/mol

tonne per second kelvin
type: Concept
in scheme: Unit of measure
notation: L82
conversion multiplier: 1000.0
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.s-1.K-1
unit symbol: (t/s)/K

pound-force foot per pound
type: Concept
in scheme: Unit of measure
notation: G20
conversion multiplier: 2989.067
dimension vector: L2 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 quantity: work per unit weight
rec20 sector: Mechanics
ucum code: [lbf_av].[ft_i].[lb_av]-1
unit symbol: lbf·ft/lb

unit pole
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit for magnetic flux of a magnetic pole (according to the interaction of identical poles of 1 dyn at a distance of a cm).
in scheme: Unit of measure
notation: P53
conversion multiplier: 1.256637e-07
dimension vector: I-1 L2 M1 T-2
rec20 quantity: magnetic flux quantum
rec20 sector: Solid State Physics
unit symbol: unit pole

mole per hour
type: Concept
in scheme: Unit of measure
notation: L23
conversion multiplier: 0.000277778
dimension vector: N1 T-1
rec20 quantity: molar flux
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.h-1
unit symbol: mol/h

watt second
type: Concept
in scheme: Unit of measure
notation: J55
conversion multiplier: 1.0
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
ucum code: W.s
unit symbol: W·s

milligram per hour bar
type: Concept
in scheme: Unit of measure
notation: F71
conversion multiplier: 2.7777777777777776e-15
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg.h-1.bar-1
unit symbol: mg/(h·bar)

cubic inch
type: Concept
definition: Synonym: inch cubed
in scheme: Unit of measure
notation: INQ
conversion multiplier: 1.6387064e-05
dimension vector: L3
rec20 quantity: section modulus
rec20 quantity: volume
rec20 sector: Mechanics
rec20 sector: Space and Time
ucum code: [cin_i]
unit symbol: in³

pascal second per metre
type: Concept
in scheme: Unit of measure
notation: C67
conversion multiplier: 1.0
dimension vector: L-2 M1 T-1
rec20 quantity: characteristic impedance of a medium
rec20 sector: Acoustics
ucum code: Pa.s.m-1
unit symbol: Pa· s/m

yard per degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: L98
conversion multiplier: 1.6459200164592
dimension vector: L1 Θ-1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [yd_i].[degF]-1
unit symbol: yd/°F

square foot per hour
type: Concept
definition: Power of the unit foot according to the Anglo-American and Imperial system of units by exponent 2 divided by the unit of time hour.
in scheme: Unit of measure
notation: M79
conversion multiplier: 2.58064e-05
dimension vector: L2 T-1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: [sft_i].h-1
unit symbol: ft²/h

millisecond
type: Concept
in scheme: Unit of measure
notation: C26
conversion multiplier: 0.1
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: ds
unit symbol: ms

centipoise per kelvin
type: Concept
in scheme: Unit of measure
notation: J73
conversion multiplier: 0.001
dimension vector: L-1 M1 Θ-1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: cP.K-1
unit symbol: cP/K

centimetre
type: Concept
in scheme: Unit of measure
notation: CMT
conversion multiplier: 0.01
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: cm
unit symbol: cm

picoampere
type: Concept
in scheme: Unit of measure
notation: C70
conversion multiplier: 1e-12
dimension vector: I1
rec20 quantity: electric current, magnetic potential difference, magnetomotive force,current linkage
rec20 sector: Electricity and Magnetism
ucum code: pA
unit symbol: pA

ton short per day
type: Concept
in scheme: Unit of measure
notation: L88
conversion multiplier: 0.010497685185185
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [ston_av].d-1
unit symbol: ton (US)/d

Electric potential & field units
type: Collection
definition: Units of measure grouped by quantity kind: electric potential & field.
member: microvolt per metre
member: picovolt
member: volt second per metre
member: millivolt per minute
member: volt per inch
member: volt squared per kelvin squared
member: volt per bar
member: millivolt
member: volt
member: volt per millimetre
member: volt per metre
member: volt per pascal
member: volt square inch per pound-force
member: millivolt per metre
member: megavolt
member: volt per microsecond
member: volt per centimetre
member: megavolt per metre
member: microvolt
member: kilovolt
member: volt per second
member: kilovolt per metre
member: volt per litre minute

lumen per watt
type: Concept
in scheme: Unit of measure
notation: B61
conversion multiplier: 1.0
dimension vector: L-2 J1 M-1 T3
rec20 quantity: luminious efficacy, spectral luminous efficacy, luminous efficacy at a specified wavelength, maximum spectral luminous efficacy
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: lm.W-1
unit symbol: lm/W

megajoule per cubic metre
type: Concept
in scheme: Unit of measure
notation: JM
conversion multiplier: 1000000.0
dimension vector: L-1 M1 T-2
rec20 quantity: radiant energy density
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: MJ.m-3
unit symbol: MJ/m³

second [unit of time]
type: Concept
in scheme: Unit of measure
notation: SEC
conversion multiplier: 1.0
dimension vector: T1
rec20 quantity: time
rec20 quantity: time constant, relaxation time
rec20 quantity: period, periodic time
rec20 quantity: mean life, half life
rec20 quantity: reverberation time
rec20 quantity: reactor time constant
rec20 quantity: relaxation time, carrier life time
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Solid State Physics
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Space and Time
rec20 sector: Acoustics
ucum code: s
unit symbol: s

megahertz
type: Concept
in scheme: Unit of measure
notation: MHZ
conversion multiplier: 1000000.0
dimension vector: T-1
rec20 quantity: frequency
rec20 sector: Periodic and related phenomena
ucum code: MHz
unit symbol: MHz

nanoohm metre
type: Concept
in scheme: Unit of measure
notation: C46
conversion multiplier: 1e-09
dimension vector: I-2 L3 M1 T-3
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
ucum code: nOhm.m
unit symbol: nΩ·m

megaohm kilometre
type: Concept
in scheme: Unit of measure
notation: H88
conversion multiplier: 1000000000.0
dimension vector: I-2 L3 M1 T-3
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
ucum code: MOhm.km
unit symbol: MΩ·km

kilobecquerel
type: Concept
in scheme: Unit of measure
notation: 2Q
conversion multiplier: 1000.0
dimension vector: T-1
rec20 quantity: activity
rec20 sector: Atomic and Nuclear Physics
ucum code: kBq
unit symbol: kBq

ounce (UK fluid) per second
type: Concept
in scheme: Unit of measure
notation: J98
conversion multiplier: 2.84e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [foz_br].s-1
unit symbol: fl oz (UK)/s

newton metre watt to the power minus 0,5
type: Concept
in scheme: Unit of measure
notation: H41
conversion multiplier: 1.0
dimension vector: L1
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
unit symbol: N·m·W⁻⁰‧⁵

rod [unit of distance]
type: Concept
definition: A unit of distance equal to 5.5 yards (16 feet 6 inches).
in scheme: Unit of measure
notation: F49
conversion multiplier: 5.02921
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [rd_br]
unit symbol: rd (US)

milliohm per metre
type: Concept
in scheme: Unit of measure
notation: F54
conversion multiplier: 0.001
dimension vector: I-2 L1 M1 T-3
rec20 quantity: lineic resistance
rec20 sector: Electricity and Magnetism
ucum code: mOhm.m-1
unit symbol: mΩ/m

pint (US liquid) per second
type: Concept
in scheme: Unit of measure
notation: L60
conversion multiplier: 0.0004731765
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pt_us].s-1
unit symbol: pt (US liq.)/s

tablespoon (US)
type: Concept
in scheme: Unit of measure
notation: G24
conversion multiplier: 1.47867656e-05
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [tbs_us]
unit symbol: tablespoon (US)

pascal per bar
type: Concept
in scheme: Unit of measure
notation: F07
conversion multiplier: 1e-05
dimension vector: 1
rec20 quantity: pressure ratio
rec20 sector: Mechanics
ucum code: Pa.bar-1
unit symbol: Pa/bar

millivolt
type: Concept
in scheme: Unit of measure
notation: 2Z
conversion multiplier: 0.001
dimension vector: I-1 L2 M1 T-3
rec20 quantity: electric potential, potential difference, tension, voltage, electromotive force
rec20 sector: Electricity and Magnetism
ucum code: mV
unit symbol: mV

degree Fahrenheit
type: Concept
definition: Refer ISO 80000-5 (Quantities and units — Part 5: Thermodynamics)
in scheme: Unit of measure
notation: FAH
conversion multiplier: 0.5555555555555556
conversion offset: 459.67
dimension vector: Θ1
rec20 quantity: fahrenheit temperature
rec20 sector: Heat
ucum code: [degF]
unit symbol: °F

reciprocal pascal or pascal to the power minus one
type: Concept
in scheme: Unit of measure
notation: C96
conversion multiplier: 1.0
dimension vector: L1 M-1 T2
rec20 quantity: compressibility, bulk compressibility
rec20 quantity: isothermal compressibility, isentropic compressibility
rec20 sector: Heat
rec20 sector: Mechanics
ucum code: /Pa
unit symbol: Pa⁻¹

newton metre per degree
type: Concept
in scheme: Unit of measure
notation: F89
conversion multiplier: 57.2957795785523
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: N.m.deg-1
unit symbol: Nm/°

kilojoule
type: Concept
in scheme: Unit of measure
notation: KJO
conversion multiplier: 1000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: kJ
unit symbol: kJ

reciprocal square metre
type: Concept
definition: Synonym: reciprocal metre squared
in scheme: Unit of measure
notation: C93
conversion multiplier: 1.0
dimension vector: L-2
rec20 quantity: photon exposure
rec20 quantity: particle fluence
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: /m2
unit symbol: m⁻²

kiloampere per metre
type: Concept
in scheme: Unit of measure
notation: B24
conversion multiplier: 1000.0
dimension vector: I1 L-1
rec20 quantity: linear electric current density, lineic electric current, magnetic field strength
rec20 sector: Electricity and Magnetism
ucum code: kA.m-1
unit symbol: kA/m

centimetre per hour
type: Concept
in scheme: Unit of measure
notation: H49
conversion multiplier: 2.777778e-06
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: cm.h-1
unit symbol: cm/h

millipascal second per bar
type: Concept
in scheme: Unit of measure
notation: L16
conversion multiplier: 1e-08
dimension vector: T1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: mPa.s.bar-1
unit symbol: mPa·s/bar

gilbert
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit of the magnetomotive force, which is defined by the work to increase the magnetic potential of a positive common pol with 1 erg.
in scheme: Unit of measure
notation: N97
conversion multiplier: 0.795774715
dimension vector: I1
rec20 quantity: electric current, magnetic potential difference, magnetomotive force,current linkage
rec20 sector: Electricity and Magnetism
ucum code: Gb
unit symbol: Gi

joule per kilogram
type: Concept
in scheme: Unit of measure
notation: J2
conversion multiplier: 1.0
dimension vector: L2 T-2
rec20 quantity: massic energy, specific energy
rec20 sector: Heat
ucum code: J.kg-1
unit symbol: J/kg

centimetre of water (4 ºC)
type: Concept
definition: Non SI-conforming unit of pressure, at which a value of 1 cmH2O meets the static pressure, which is generated by a head of water at a temperature of 4 °C with a height of 1 centimetre .
in scheme: Unit of measure
notation: N14
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
unit symbol: cmH₂O (4 °C)

cubic yard
type: Concept
in scheme: Unit of measure
notation: YDQ
conversion multiplier: 0.764554857984
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [cyd_i]
unit symbol: yd³

calorie (international table) per gram
type: Concept
deprecated: true
in scheme: Unit of measure
notation: D75
conversion multiplier: 4186.8
dimension vector: L2 T-2
rec20 quantity: specific Helmholtz free energy
rec20 sector: Heat
ucum code: cal_IT.g-1
unit symbol: calIT/g

megagram
type: Concept
in scheme: Unit of measure
notation: 2U
conversion multiplier: 1000.0
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: Mg
unit symbol: Mg

grain
type: Concept
in scheme: Unit of measure
notation: GRN
conversion multiplier: 6.479891e-05
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [gr]
unit symbol: gr

Resistance & conductance units
type: Collection
definition: Units of measure grouped by quantity kind: resistance & conductance.
member: kilosiemens per metre
member: megasiemens per metre
member: dyne second per centimetre
member: megaohm per metre
member: pascal second per metre
member: nanosiemens per metre
member: siemens per metre
member: milliohm
member: picosiemens
member: pascal second per litre
member: kiloohm
member: microsiemens per metre
member: ohm per kilometre
member: kilosiemens
member: nanosiemens per centimetre
member: gigaohm
member: siemens square metre per mole
member: ohm
member: micromho
member: ohm metre
member: siemens per centimetre
member: newton second per metre
member: gigaohm metre
member: nanoohm metre
member: picosiemens per metre
member: ohm per metre
member: ohm per mile (statute mile)
member: microohm metre
member: teraohm
member: ohm kilometre
member: ohm circular-mil per foot
member: dyne second per centimetre to the fifth power
member: microohm
member: kiloohm metre
member: microsiemens per centimetre
member: milliohm per metre
member: milliohm metre
member: millisiemens per centimetre
member: megaohm metre
member: megaohm
member: nanoohm
member: siemens
member: microsiemens
member: megaohm kilometre
member: ohm centimetre
member: mho
member: pascal second per cubic metre
member: millisiemens
member: megaohm per kilometre

degree Celsius per second
type: Concept
in scheme: Unit of measure
notation: H14
conversion multiplier: 1.0
dimension vector: Θ1 T-1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: Cel.s-1
unit symbol: °C/s

ton-force (US short)
type: Concept
in scheme: Unit of measure
notation: L94
conversion multiplier: 8896.443230521
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: [stonf_av]
unit symbol: ton.sh-force

sone
type: Concept
definition: A unit of subjective sound loudness. One sone is the loudness of a pure tone of frequency one kilohertz and strength 40 decibels.
in scheme: Unit of measure
notation: D15
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: loudness
rec20 sector: Acoustics

picofarad per metre
type: Concept
in scheme: Unit of measure
notation: C72
conversion multiplier: 1e-12
dimension vector: I2 L-3 M-1 T4
rec20 quantity: permittivity, permittivity of vacuum, (electric constant)
rec20 sector: Electricity and Magnetism
ucum code: pF.m-1
unit symbol: pF/m

bushel (US)
type: Concept
in scheme: Unit of measure
notation: BUA
conversion multiplier: 0.03523907
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [bu_us]
unit symbol: bu (US)

cubic foot per minute
type: Concept
in scheme: Unit of measure
notation: 2L
conversion multiplier: 0.0004719474432000001
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [cft_i].min-1
unit symbol: ft³/min

kiloweber per metre
type: Concept
in scheme: Unit of measure
notation: B56
conversion multiplier: 1000.0
dimension vector: I-1 L1 M1 T-2
rec20 quantity: magnetic vector potential
rec20 sector: Electricity and Magnetism
ucum code: kWb.m-1
unit symbol: kWb/m

newton per metre
type: Concept
in scheme: Unit of measure
notation: 4P
conversion multiplier: 1.0
dimension vector: M1 T-2
rec20 quantity: surface tension
rec20 sector: Mechanics
ucum code: N.m-1
unit symbol: N/m

poundal second per square inch
type: Concept
definition: Non SI-conforming unit of dynamic viscosity according to the Imperial system of units as product unit of the pressure (poundal by square inch) multiplied by the SI base unit second.
in scheme: Unit of measure
notation: N42
conversion multiplier: 214.29560787401576
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i].s-2.s.[in_i]-2
unit symbol: (pdl/in²)·s

millihertz
type: Concept
definition: A unit of frequency equal to 0.001 cycle per second
in scheme: Unit of measure
notation: MTZ
conversion multiplier: 0.001
dimension vector: T-1
rec20 quantity: frequency
rec20 sector: Periodic and related phenomena
unit symbol: mHz

British thermal unit (60 ºF)
type: Concept
definition: Unit of head energy according to the Imperial system of units at a reference temperature of 60 °F.
in scheme: Unit of measure
notation: N68
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
unit symbol: Btu (60 ºF)

mile (based on U.S. survey foot)
type: Concept
definition: Unit commonly used in the United States for ordnance survey.
in scheme: Unit of measure
notation: M52
conversion multiplier: 1609.347
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [mi_us]
unit symbol: mi (US survey)

kilogram per litre kelvin
type: Concept
in scheme: Unit of measure
notation: G39
conversion multiplier: 1000.0
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.L-1.K-1
unit symbol: kg/(l·K)

gill (UK) per second
type: Concept
in scheme: Unit of measure
notation: K35
conversion multiplier: 0.0001420653
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gil_br].s-1
unit symbol: gi (UK)/s

kilonewton
type: Concept
in scheme: Unit of measure
notation: B47
conversion multiplier: 1000.0
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: kN
unit symbol: kN

milligram per kilogram
type: Concept
in scheme: Unit of measure
notation: NA
conversion multiplier: 1e-06
dimension vector: 1
rec20 quantity: mass ratio
rec20 sector: Mechanics
ucum code: mg.kg-1
unit symbol: mg/kg

degree Rankine per second
type: Concept
in scheme: Unit of measure
notation: J30
conversion multiplier: 0.5555555555555556
dimension vector: Θ1 T-1
rec20 quantity: temperature variation over time
rec20 sector: Heat
ucum code: [degR].s-1
unit symbol: °R/s

square metre per mole
type: Concept
in scheme: Unit of measure
notation: D22
conversion multiplier: 1.0
dimension vector: N-1 L2
rec20 quantity: molar attenuation coefficient
rec20 quantity: molar absorption coefficient
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: m2.mol-1
unit symbol: m²/mol

cubic metre per second bar
type: Concept
in scheme: Unit of measure
notation: G89
conversion multiplier: 1e-05
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.s-1.bar-1
unit symbol: m³/(s·bar)

cubic metre per mole
type: Concept
in scheme: Unit of measure
notation: A40
conversion multiplier: 1.0
dimension vector: N-1 L3
rec20 quantity: molar volume
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: m3.mol-1
unit symbol: m³/mol

kilovolt
type: Concept
in scheme: Unit of measure
notation: KVT
conversion multiplier: 1000.0
dimension vector: I-1 L2 M1 T-3
rec20 quantity: electric potential, potential difference, tension, voltage, electromotive force
rec20 sector: Electricity and Magnetism
ucum code: kV
unit symbol: kV

cubic metre per hour bar
type: Concept
in scheme: Unit of measure
notation: G87
conversion multiplier: 2.777777777777778e-09
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.h-1.bar-1
unit symbol: m³/(h·bar)

minute [unit of angle]
type: Concept
in scheme: Unit of measure
notation: D61
conversion multiplier: 0.000290888209
dimension vector: 1
rec20 quantity: angle (plane)
rec20 sector: Space and Time
ucum code: '
unit symbol: '

picosiemens
type: Concept
definition: 0,000 000 000 001-fold of the derived SI unit siemens.
in scheme: Unit of measure
notation: N92
conversion multiplier: 1e-12
dimension vector: I2 L-2 M-1 T3
rec20 quantity: conductance (for direct current), admittance, (complex admittance), modulus of admittance,(admittance), conductance (for alternating current)
rec20 sector: Electricity and Magnetism
unit symbol: pS

microgram
type: Concept
in scheme: Unit of measure
notation: MC
conversion multiplier: 1e-09
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: ug
unit symbol: µg

psi cubic inch per second
type: Concept
in scheme: Unit of measure
notation: K87
conversion multiplier: 0.1129848
dimension vector: L2 M1 T-3
rec20 quantity: leakage rate of gas
rec20 sector: Mechanics
ucum code: [psi].[cin_i].s-1
unit symbol: psi·in³/s

pint (US liquid) per day
type: Concept
in scheme: Unit of measure
notation: L57
conversion multiplier: 5.47658e-09
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pt_us].d-1
unit symbol: pt (US liq.)/d

troy ounce or apothecary ounce
type: Concept
in scheme: Unit of measure
notation: APZ
conversion multiplier: 0.0311034768
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [oz_tr]
unit symbol: tr oz

square mile (statute mile)
type: Concept
in scheme: Unit of measure
notation: MIK
conversion multiplier: 2589997.766409
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: [mi_i]2
unit symbol: mi²

pascal per metre
type: Concept
in scheme: Unit of measure
notation: H42
conversion multiplier: 1.0
dimension vector: L-2 M1 T-2
rec20 quantity: hardness index
rec20 sector: Miscellaneous
ucum code: Pa.m-1
unit symbol: Pa/m

metre per bar
type: Concept
in scheme: Unit of measure
notation: G05
conversion multiplier: 1e-05
dimension vector: L2 M-1 T2
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: m.bar-1
unit symbol: m/bar

litre per minute
type: Concept
in scheme: Unit of measure
notation: L2
conversion multiplier: 1.666667e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.min-1
unit symbol: l/min

nanohenry per metre
type: Concept
in scheme: Unit of measure
notation: C44
conversion multiplier: 1e-09
dimension vector: I-2 L1 M1 T-2
rec20 quantity: permeability, permeability of vacuum, magnetic constant
rec20 sector: Electricity and Magnetism
ucum code: nH.m-1
unit symbol: nH/m

cubic centimetre per mole
type: Concept
in scheme: Unit of measure
notation: A36
conversion multiplier: 1e-06
dimension vector: N-1 L3
rec20 quantity: molar volume
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: cm3.mol-1
unit symbol: cm³/mol

millilitre per day kelvin
type: Concept
in scheme: Unit of measure
notation: G73
conversion multiplier: 1.1574074074074074e-11
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.d-1.K-1
unit symbol: ml/(d·K)

cubic metre per second
type: Concept
in scheme: Unit of measure
notation: MQS
conversion multiplier: 1.0
dimension vector: L3 T-1
rec20 quantity: (instantaneous) volume flow rate
rec20 quantity: volume flow rate
rec20 quantity: recombination coefficient
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Mechanics
rec20 sector: Acoustics
ucum code: m3.s-1
unit symbol: m³/s

kilopascal per kelvin
type: Concept
in scheme: Unit of measure
notation: F83
conversion multiplier: 1000.0
dimension vector: L-1 M1 Θ-1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: kPa.K-1
unit symbol: kPa/K

gram per cubic centimetre kelvin
type: Concept
in scheme: Unit of measure
notation: G33
conversion multiplier: 1000.0
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.cm-3.K-1
unit symbol: g/(cm³·K)

barn per steradian
type: Concept
in scheme: Unit of measure
notation: A17
conversion multiplier: 1e-28
dimension vector: L2
rec20 quantity: angular cross-section
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: b.sr-1
unit symbol: b/sr

microcurie
type: Concept
in scheme: Unit of measure
notation: M5
conversion multiplier: 37000.0
dimension vector: T-1
rec20 quantity: activity
rec20 sector: Atomic and Nuclear Physics
ucum code: uCi
unit symbol: µCi

microohm metre
type: Concept
in scheme: Unit of measure
notation: B95
conversion multiplier: 1e-06
dimension vector: I-2 L3 M1 T-3
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
ucum code: m.uOhm
unit symbol: µΩ·m

barrel (UK petroleum) per hour
type: Concept
in scheme: Unit of measure
notation: J60
conversion multiplier: 4.41981e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
unit symbol: bbl (UK liq.)/h

coulomb metre
type: Concept
in scheme: Unit of measure
notation: A26
conversion multiplier: 1.0
dimension vector: I1 L1 T1
rec20 quantity: electric dipole moment of molecule
rec20 quantity: electric dipole moment
rec20 sector: Physical Chemistry and Molecular Physics
rec20 sector: Electricity and Magnetism
ucum code: C.m
unit symbol: C·m

kilogram square centimetre
type: Concept
in scheme: Unit of measure
notation: F18
conversion multiplier: 0.0001
dimension vector: L2 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.cm2
unit symbol: kg·cm²

farad per metre
type: Concept
in scheme: Unit of measure
notation: A69
conversion multiplier: 1.0
dimension vector: I2 L-3 M-1 T4
rec20 quantity: permittivity, permittivity of vacuum, (electric constant)
rec20 sector: Electricity and Magnetism
ucum code: F.m-1
unit symbol: F/m

millipascal
type: Concept
in scheme: Unit of measure
notation: 74
conversion multiplier: 0.001
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: mPa
unit symbol: mPa

second per cubic metre
type: Concept
in scheme: Unit of measure
notation: D93
rec20 quantity: volumic dose
rec20 sector: Physical Chemistry and Molecular Physics
unit symbol: s/m³

tonne per cubic metre bar
type: Concept
in scheme: Unit of measure
notation: L77
conversion multiplier: 0.01
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: t.m-3.bar-1
unit symbol: (t/m³)/bar

mol per kilogram pascal
type: Concept
definition: SI base unit mol divided by the product of the SI base unit kilogram and the derived SI unit pascal.
in scheme: Unit of measure
notation: P51
conversion multiplier: 1.0
dimension vector: N1 L1 M-2 T2
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.kg-1.Pa-1
unit symbol: (mol/kg)/Pa

clo
type: Concept
in scheme: Unit of measure
notation: J83
conversion multiplier: 0.155
dimension vector: M-1 Θ1 T3
rec20 quantity: thermal insulance, coefficient of thermal insulation
rec20 sector: Heat
unit symbol: clo

barn per electronvolt
type: Concept
in scheme: Unit of measure
notation: A15
conversion multiplier: 6.241509074460762e-10
dimension vector: M-1 T2
rec20 quantity: spectral cross-section
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: b.eV-1
unit symbol: b/eV

micronewton metre
type: Concept
in scheme: Unit of measure
notation: B93
conversion multiplier: 1e-06
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: uN.m
unit symbol: µN·m

reciprocal metre squared reciprocal second
type: Concept
in scheme: Unit of measure
notation: B81
conversion multiplier: 1.0
dimension vector: L-2 T-1
rec20 quantity: particle fluence rate, (partical flux density), neutron fluence rate, (neutronflux density), current density of particles
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: m-2.s-1
unit symbol: m⁻²/s

quart (UK liquid) per second
type: Concept
in scheme: Unit of measure
notation: K97
conversion multiplier: 0.0011365225
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [qt_br].h-1.s-1
unit symbol: qt (UK liq.)/s

siemens per metre
type: Concept
in scheme: Unit of measure
notation: D10
conversion multiplier: 1.0
dimension vector: I2 L-3 M-1 T3
rec20 quantity: conductivity
rec20 quantity: electrolytic conductivity
rec20 sector: Electricity and Magnetism
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: S.m-1
unit symbol: S/m

hectopascal litre per second
type: Concept
in scheme: Unit of measure
notation: F93
conversion multiplier: 0.1
dimension vector: L2 M1 T-3
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: hPa.L.s-1
unit symbol: hPa·l/s

megapascal per bar
type: Concept
in scheme: Unit of measure
notation: F05
conversion multiplier: 10.0
dimension vector: 1
rec20 quantity: pressure ratio
rec20 sector: Mechanics
ucum code: MPa.bar-1
unit symbol: MPa/bar

British thermal unit (thermochemical) per minute
type: Concept
in scheme: Unit of measure
notation: J51
conversion multiplier: 17.573
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: [Btu_th].min-1
unit symbol: Btuth/min

kilocalorie (international table) per gram kelvin
type: Concept
definition: Unit of the mass-related heat capacity as quotient 1000-fold of the calorie (international table) divided by the product of the 0,001-fold of the SI base units kilogram and kelvin.
in scheme: Unit of measure
notation: N65
conversion multiplier: 4186800.0
dimension vector: L2 Θ-1 T-2
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: kcal_IT.g-1.K-1
unit symbol: (kcalIT/K)/g

cup [unit of volume]
type: Concept
in scheme: Unit of measure
notation: G21
conversion multiplier: 0.00023658825
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [cup_us]
unit symbol: cup (US)

gram per minute
type: Concept
in scheme: Unit of measure
notation: F28
conversion multiplier: 1.666667e-05
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.min-1
unit symbol: g/min

ton short per degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: L87
conversion multiplier: 1632.932
dimension vector: M1 Θ-1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [ston_av].[degF]-1
unit symbol: ton (US)/°F

cubic centimetre per minute kelvin
type: Concept
in scheme: Unit of measure
notation: G63
conversion multiplier: 1.6666666666666667e-08
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.min-1.K-1
unit symbol: cm³/(min·K)

barn per steradian electronvolt
type: Concept
in scheme: Unit of measure
notation: A16
conversion multiplier: 6.241509074460762e-10
dimension vector: M-1 T2
rec20 quantity: spectral angular cross-section
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: b.sr-1.eV-1
unit symbol: b/(sr·eV)

millilitre per hour bar
type: Concept
in scheme: Unit of measure
notation: G91
conversion multiplier: 2.7777777777777776e-15
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.h-1.bar-1
unit symbol: ml/(h·bar)

common year
type: Concept
in scheme: Unit of measure
notation: L95
conversion multiplier: 31536000.0
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
unit symbol: y (365 days)

bushel (US dry) per minute
type: Concept
in scheme: Unit of measure
notation: J70
conversion multiplier: 0.00058732
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [bu_us].min-1
unit symbol: bu (US dry)/min

litre per day kelvin
type: Concept
in scheme: Unit of measure
notation: G65
conversion multiplier: 1.1574074074074074e-08
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.d-1.K-1
unit symbol: l/(d·K)

unified atomic mass unit
type: Concept
in scheme: Unit of measure
notation: D43
conversion multiplier: 1.66053878283e-27
dimension vector: M1
rec20 quantity: mass of molecule
rec20 quantity: mass of atom (of a nuclide x), nuclidic mass, unified atomic mass constant
rec20 quantity: mass defect
rec20 sector: Physical Chemistry and Molecular Physics
rec20 sector: Atomic and Nuclear Physics
ucum code: u
unit symbol: u

conventional millimetre of mercury
type: Concept
deprecated: true
in scheme: Unit of measure
notation: HN
conversion multiplier: 133.322387415
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: mm[Hg]
unit symbol: mm Hg

kilogram per metre minute
type: Concept
definition: Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the unit minute.
in scheme: Unit of measure
notation: N38
conversion multiplier: 0.016666666666666666
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: kg.m-1.min-1
unit symbol: kg/(m·min)

kilogram per square metre
type: Concept
in scheme: Unit of measure
notation: 28
conversion multiplier: 1.0
dimension vector: L-2 M1
rec20 quantity: mean mass range
rec20 quantity: surface density, areic mass
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Mechanics
ucum code: kg.m-2
unit symbol: kg/m²

dry gallon (US)
type: Concept
in scheme: Unit of measure
notation: GLD
conversion multiplier: 0.00440488377
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [gal_wi]
unit symbol: dry gal (US)

newton per centimetre
type: Concept
in scheme: Unit of measure
notation: M23
conversion multiplier: 100.0
dimension vector: M1 T-2
rec20 quantity: surface tension
rec20 sector: Mechanics
ucum code: N.cm-1
unit symbol: N/cm

pound inch per second
type: Concept
definition: Product of the avoirdupois pound according to the avoirdupois unit system and the unit inch according to the Anglo-American and Imperial system of units divided by the SI base unit second.
in scheme: Unit of measure
notation: N11
conversion multiplier: 0.011521246198
dimension vector: L1 M1 T-1
rec20 quantity: momentum
rec20 sector: Mechanics
ucum code: [lb_av].[in_i].s-1
unit symbol: lb·(in/s)

kilolitre
type: Concept
in scheme: Unit of measure
notation: K6
conversion multiplier: 1.0
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: kL
unit symbol: kl

nanohenry
type: Concept
in scheme: Unit of measure
notation: C43
conversion multiplier: 1e-09
dimension vector: I-2 L2 M1 T-2
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: nH
unit symbol: nH

quart (US)
type: Concept
deprecated: true
definition: Use liquid quart (common code QTL)
in scheme: Unit of measure
notation: QT
conversion multiplier: 0.000946353
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [qt_us]
unit symbol: qt (US)

reciprocal kelvin or kelvin to the power minus one
type: Concept
in scheme: Unit of measure
notation: C91
conversion multiplier: 1.0
dimension vector: Θ-1
rec20 quantity: linear expansion coefficient, cubic expansion coefficient, relative pressure coefficient
rec20 sector: Heat
ucum code: /K
unit symbol: K⁻¹

British thermal unit (thermochemical) per second
type: Concept
in scheme: Unit of measure
notation: J52
conversion multiplier: 1054.35
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: [Btu_th].s-1
unit symbol: Btuth/s

kilogram per cubic decimetre bar
type: Concept
in scheme: Unit of measure
notation: H55
conversion multiplier: 0.01
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.dm-3.bar-1
unit symbol: (kg/dm³)/bar

milligram per cubic metre
type: Concept
in scheme: Unit of measure
notation: GP
conversion multiplier: 1e-06
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: mg.m-3
unit symbol: mg/m³

kilogram metre per second squared
type: Concept
definition: Product of the SI base unit kilogram and the SI base unit metre divided by the power of the SI base unit second by exponent 2.
in scheme: Unit of measure
notation: M77
conversion multiplier: 1.0
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: kg.m.s-2
unit symbol: kg·m/s²

mole per litre
type: Concept
in scheme: Unit of measure
notation: C38
conversion multiplier: 1000.0
dimension vector: N1 L-3
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.L-1
unit symbol: mol/l

yard
type: Concept
in scheme: Unit of measure
notation: YRD
conversion multiplier: 0.9144
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [yd_i]
unit symbol: yd

Kilowatt hour per standard cubic metre
type: Concept
definition: Kilowatt hour per standard cubic metre (temperature 15°C and pressure 101325 millibars).
in scheme: Unit of measure
notation: KWS
rec20 sector: Mechanics

litre per day bar
type: Concept
in scheme: Unit of measure
notation: G82
conversion multiplier: 1.1574074074074073e-13
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.d-1.bar-1
unit symbol: l/(d·bar)

Thermal capacity & conductivity units
type: Collection
definition: Units of measure grouped by quantity kind: thermal capacity & conductivity.
member: calorie (international table) per gram kelvin
member: one
member: British thermal unit (60 ºF)
member: millimetre per kelvin
member: kilocalorie (thermochemical)
member: square metre kelvin per watt
member: kilowatt per metre degree Celsius
member: British thermal unit (thermochemical) per degree Rankine
member: watt per kelvin
member: degree Fahrenheit hour per British thermal unit (international table)
member: calorie (mean)
member: joule per kilogram kelvin
member: calorie (thermochemical) per centimetre second degree Celsius
member: British thermal unit (international table)
member: British thermal unit (international table) per pound degree Fahrenheit
member: British thermal unit (thermochemical) per degree Fahrenheit
member: British thermal unit (international table) foot per hour square foot degree Fahrenheit
member: 15 °C calorie
member: degree Fahrenheit second per British thermal unit (thermochemical)
member: British thermal unit (59 ºF)
member: British thermal unit (international table) per pound degree Rankine
member: British thermal unit (international table) inch per second square foot degree Fahrenheit
member: watt per metre kelvin
member: British thermal unit (mean)
member: joule per kelvin
member: kilocalorie (international table) per hour metre degree Celsius
member: British thermal unit (thermochemical) inch per hour square foot degree Fahrenheit
member: therm (EC)
member: British thermal unit (international table) per degree Fahrenheit
member: British thermal unit (thermochemical) inch per second square foot degree Fahrenheit
member: calorie (international table) per second centimetre kelvin
member: square metre per second
member: calorie (20 ºC)
member: kilojoule per kelvin
member: joule
member: joule per mole kelvin
member: kilojoule per kilogram kelvin
member: millimetre per degree Celcius metre
member: square metre hour degree Celsius per kilocalorie (international table)
member: metre per degree Celcius metre
member: degree Fahrenheit hour square foot per British thermal unit (international table)
member: degree Fahrenheit hour square foot per British thermal unit (thermochemical)
member: calorie (thermochemical) per gram degree Celsius
member: degree Fahrenheit hour per British thermal unit (thermochemical)
member: British thermal unit (thermochemical) foot per hour square foot degree Fahrenheit
member: calorie (thermochemical) per gram kelvin
member: kilocalorie (international table) per gram kelvin
member: therm (U.S.)
member: British thermal unit (international table) per degree Rankine
member: calorie (thermochemical) per second centimetre kelvin
member: watt per metre degree Celsius
member: British thermal unit (thermochemical) per pound degree Fahrenheit
member: clo
member: degree Fahrenheit hour square foot per British thermal unit (international table) inch
member: quad (1015 BtuIT)
member: British thermal unit (39 ºF)
member: kelvin per watt
member: square foot per second
member: British thermal unit (international table) per second foot degree Rankine
member: kilocalorie (international table)
member: kilocalorie (mean)
member: degree Fahrenheit hour square foot per British thermal unit (thermochemical) inch
member: British thermal unit (thermochemical) per pound degree Rankine
member: British thermal unit (international table) inch per hour square foot degree Fahrenheit
member: calorie (international table)
member: kilowatt per metre kelvin
member: watt second
member: degree Fahrenheit second per British thermal unit (international table)
member: kelvin metre per watt
member: calorie (international table) per gram degree Celsius

microgram per kilogram
type: Concept
in scheme: Unit of measure
notation: J33
conversion multiplier: 1e-09
dimension vector: 1
rec20 quantity: mass ratio
rec20 sector: Mechanics
ucum code: ug.kg-1
unit symbol: µg/kg

kilopascal
type: Concept
in scheme: Unit of measure
notation: KPA
conversion multiplier: 1000.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: kPa
unit symbol: kPa

millilitre per kelvin
type: Concept
in scheme: Unit of measure
notation: G30
conversion multiplier: 1e-06
dimension vector: L3 Θ-1
rec20 quantity: volume per temperature
rec20 sector: Space and Time
ucum code: mL.K-1
unit symbol: ml/K

British thermal unit (international table) per hour square foot degree Fahrenheit
type: Concept
definition: Unit of the heat transition coefficient according to the Imperial system of units.
in scheme: Unit of measure
notation: N74
conversion multiplier: 5.678263341113487
dimension vector: M1 Θ-1 T-3
rec20 quantity: surface coefficient of heat transfer
rec20 sector: Heat
ucum code: [Btu_IT].h-1.[ft_i]-2.[degF]-1
unit symbol: BtuIT/(h·ft²·ºF)

kilogram per cubic metre pascal
type: Concept
definition: SI base unit kilogram divided by the product of the power of the SI base unit metre with exponent 3 and the derived SI unit pascal.
in scheme: Unit of measure
notation: M73
conversion multiplier: 1.0
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.m-3.Pa-1
unit symbol: (kg/m³)/Pa

gram per mole
type: Concept
in scheme: Unit of measure
notation: A94
conversion multiplier: 0.001
dimension vector: N-1 M1
rec20 quantity: molar mass
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: g.mol-1
unit symbol: g/mol

bushel (US dry) per second
type: Concept
in scheme: Unit of measure
notation: J71
conversion multiplier: 0.03523907
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [bu_us].s-1
unit symbol: bu (US dry)/s

inch per degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K45
conversion multiplier: 0.04572
dimension vector: L1 Θ-1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [in_i].[degF]-1
unit symbol: in/°F

nanosievert per second
type: Concept
definition: 0,000 000 001-fold of the derived SI unit sievert divided by the SI base unit second.
in scheme: Unit of measure
notation: P68
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
unit symbol: nSv/s

stere
type: Concept
in scheme: Unit of measure
notation: G26
conversion multiplier: 1.0
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: st
unit symbol: st

gram per square millimetre
type: Concept
definition: 0,001-fold of the SI base unit kilogram divided by the 0.000 001-fold of the power of the SI base unit meter by exponent 2.
in scheme: Unit of measure
notation: N24
conversion multiplier: 1000.0
dimension vector: L-2 M1
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: g.mm-2
unit symbol: g/mm²

dry quart (US)
type: Concept
in scheme: Unit of measure
notation: QTD
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: dry qt (US)

ton (UK long) per cubic yard
type: Concept
in scheme: Unit of measure
notation: L92
conversion multiplier: 1328.8778292234224
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lton_av]/[cyd_i]
unit symbol: ton.l/yd³ (UK)

Kilowatt hour per normalized cubic metre
type: Concept
definition: Kilowatt hour per normalized cubic metre (temperature 0°C and pressure 101325 millibars ).
in scheme: Unit of measure
notation: KWN
rec20 sector: Mechanics

microwatt per square metre
type: Concept
in scheme: Unit of measure
notation: D85
conversion multiplier: 1e-06
dimension vector: M1 T-3
rec20 quantity: sound intensity
rec20 sector: Acoustics
ucum code: uW.m-2
unit symbol: µW/m²

kilogram per cubic metre bar
type: Concept
in scheme: Unit of measure
notation: G18
conversion multiplier: 1e-05
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.m-3.bar-1
unit symbol: kg/(m³·bar)

milliampere
type: Concept
in scheme: Unit of measure
notation: 4K
conversion multiplier: 0.001
dimension vector: I1
rec20 quantity: electric current, magnetic potential difference, magnetomotive force,current linkage
rec20 sector: Electricity and Magnetism
ucum code: mA
unit symbol: mA

poundal inch
type: Concept
definition: Product of the non SI-conforming unit of the force poundal and the unit inch according to the Anglo-American and Imperial system of units .
in scheme: Unit of measure
notation: M96
conversion multiplier: 0.0035116758411504
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i].s-2.[in_i]
unit symbol: pdl·in

mole per cubic metre
type: Concept
in scheme: Unit of measure
notation: C36
conversion multiplier: 1.0
dimension vector: N1 L-3
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.m-3
unit symbol: mol/m³

kilosiemens
type: Concept
in scheme: Unit of measure
notation: B53
conversion multiplier: 1000.0
dimension vector: I2 L-2 M-1 T3
rec20 quantity: conductance (for direct current), admittance, (complex admittance), modulus of admittance,(admittance), conductance (for alternating current)
rec20 sector: Electricity and Magnetism
ucum code: kS
unit symbol: kS

nanosiemens per centimetre
type: Concept
in scheme: Unit of measure
notation: G44
conversion multiplier: 1e-07
dimension vector: I2 L-3 M-1 T3
rec20 quantity: conductivity
rec20 sector: Electricity and Magnetism
ucum code: nS.cm-1
unit symbol: nS/cm

decalitre
type: Concept
in scheme: Unit of measure
notation: A44
conversion multiplier: 0.01
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: daL
unit symbol: dal

milligram per day bar
type: Concept
in scheme: Unit of measure
notation: F70
conversion multiplier: 1.1574074074074073e-16
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg.d-1.bar-1
unit symbol: mg/(d·bar)

square decimetre
type: Concept
in scheme: Unit of measure
notation: DMK
conversion multiplier: 0.01
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: dm2
unit symbol: dm²

pond
type: Concept
definition: 0,001-fold of the unit of the weight, defined as a mass of 1 kg which finds out about a weight strength from 1 kp by the gravitational force at sea level which corresponds to a strength of 9,806 65 newton.
in scheme: Unit of measure
notation: M78
conversion multiplier: 0.00980665
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
unit symbol: p

radian per second squared
type: Concept
definition: Refer ISO/TC12 SI Guide
in scheme: Unit of measure
notation: 2B
conversion multiplier: 1.0
dimension vector: T-2
rec20 quantity: angular acceleration
rec20 sector: Space and Time
ucum code: rad.s-2
unit symbol: rad/s²

Standard cubic metre per hour
type: Concept
definition: Standard cubic metre (temperature 15°C and pressure 101325 millibars ) per hour
in scheme: Unit of measure
notation: Q38
rec20 quantity: volume flow rate
rec20 sector: Mechanics

millivolt per metre
type: Concept
in scheme: Unit of measure
notation: C30
conversion multiplier: 0.001
dimension vector: I-1 L1 M1 T-3
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: mV.m-1
unit symbol: mV/m

kelvin per pascal
type: Concept
definition: SI base unit kelvin divided by the derived SI unit pascal.
in scheme: Unit of measure
notation: N79
conversion multiplier: 1.0
dimension vector: L1 M-1 Θ1 T2
rec20 quantity: temperature
rec20 sector: Heat
ucum code: K.Pa-1
unit symbol: K/Pa

kilogram metre squared per second
type: Concept
in scheme: Unit of measure
notation: B33
conversion multiplier: 1.0
dimension vector: L2 M1 T-1
rec20 quantity: moment of momentum, angular momentum
rec20 sector: Mechanics
ucum code: kg.m2.s-1
unit symbol: kg·m²/s

ounce per square yard
type: Concept
in scheme: Unit of measure
notation: ON
conversion multiplier: 0.0339057474748823
dimension vector: L-2 M1
rec20 quantity: surface density, areic mass
rec20 sector: Mechanics
ucum code: [oz_av].[syd_i]-1
unit symbol: oz/yd²

pound (avoirdupois) per day
type: Concept
in scheme: Unit of measure
notation: K66
conversion multiplier: 5.249912e-06
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lb_av].d-1
unit symbol: lb/d

gallon (UK) per hour
type: Concept
in scheme: Unit of measure
notation: K27
conversion multiplier: 1.262803e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gal_br].h-1
unit symbol: gal (UK)/h

kilovar
type: Concept
in scheme: Unit of measure
notation: KVR
conversion multiplier: 1000.0
dimension vector: L2 M1 T-3
rec20 quantity: reactive power
rec20 sector: Electricity and Magnetism
ucum code: kVA{reactive}
unit symbol: kvar

kilogram per second kelvin
type: Concept
in scheme: Unit of measure
notation: F42
conversion multiplier: 1.0
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.s-1.K-1
unit symbol: kg/(s·K)

metre per pascal
type: Concept
definition: SI base unit metre divided by the derived SI unit pascal.
in scheme: Unit of measure
notation: M53
conversion multiplier: 1.0
dimension vector: L2 M-1 T2
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: m.Pa-1
unit symbol: m/Pa

Standard cubic metre per day
type: Concept
definition: Standard cubic metre (temperature 15°C and pressure 101325 millibars ) per day
in scheme: Unit of measure
notation: Q37
rec20 quantity: volume flow rate
rec20 sector: Mechanics

British thermal unit (international table)
type: Concept
in scheme: Unit of measure
notation: BTU
conversion multiplier: 1055.05585262
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
ucum code: [Btu_IT]
unit symbol: BtuIT

volt per litre minute
type: Concept
in scheme: Unit of measure
notation: F87
conversion multiplier: 16.666666666666668
dimension vector: I-1 L-1 M1 T-4
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.L-1.min-1
unit symbol: V/(l·min)

millilitre per hour
type: Concept
in scheme: Unit of measure
notation: G55
conversion multiplier: 2.777778e-10
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.h-1
unit symbol: ml/h

hectopascal cubic metre per second
type: Concept
in scheme: Unit of measure
notation: F94
conversion multiplier: 100.0
dimension vector: L2 M1 T-3
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: hPa.m3.s-1
unit symbol: hPa·m³/s

ampere square metre per joule second
type: Concept
in scheme: Unit of measure
notation: A10
conversion multiplier: 1.0
dimension vector: I1 M-1 T1
rec20 quantity: gyromagnetic coefficient, (gyromagnetic ratio)
rec20 sector: Atomic and Nuclear Physics
ucum code: A.m2.J-1.s-1
unit symbol: A·m²/(J·s)

Electric current units
type: Collection
definition: Units of measure grouped by quantity kind: electric current.
member: picoampere
member: biot
member: milliampere
member: ampere
member: megaampere
member: kiloampere
member: nanoampere
member: gilbert
member: microampere

kilogram-force per square metre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: B40
conversion multiplier: 9.80665
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: kgf.m-2
unit symbol: kgf/m²

cubic centimetre per minute bar
type: Concept
in scheme: Unit of measure
notation: G80
conversion multiplier: 1.6666666666666667e-13
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.min-1.bar-1
unit symbol: cm³/(min·bar)

kilometre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: KTM
conversion multiplier: 1000.0
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: km
unit symbol: km

meganewton
type: Concept
in scheme: Unit of measure
notation: B73
conversion multiplier: 1000000.0
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: MN
unit symbol: MN

millihenry per ohm
type: Concept
in scheme: Unit of measure
notation: H06
conversion multiplier: 0.001
dimension vector: T1
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: mH.Ohm-1
unit symbol: mH/Ω

millipascal per metre
type: Concept
definition: 0,001-fold of the derived SI unit pascal divided by the SI base unit metre.
in scheme: Unit of measure
notation: P80
conversion multiplier: 0.001
dimension vector: L-2 M1 T-2
rec20 quantity: hardness index
rec20 sector: Miscellaneous
ucum code: mPa.m-1
unit symbol: mPa/m

millisiemens per centimetre
type: Concept
in scheme: Unit of measure
notation: H61
conversion multiplier: 0.1
dimension vector: I2 L-3 M-1 T3
rec20 quantity: conductivity
rec20 sector: Electricity and Magnetism
ucum code: mS.cm-1
unit symbol: mS/cm

kilogram per minute kelvin
type: Concept
in scheme: Unit of measure
notation: F41
conversion multiplier: 0.016666666666666666
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.min-1.K-1
unit symbol: kg/(min·K)

Energy, work, heat units
type: Collection
definition: Units of measure grouped by quantity kind: energy, work, heat.
member: electronvolt per metre
member: joule per gram
member: electronvolt
member: kilojoule per mole
member: inch poundal
member: joule per mole
member: watt hour
member: attojoule
member: kilojoule per kilogram
member: exajoule
member: langley
member: watt per cubic metre
member: erg per centimetre
member: kilojoule
member: joule per square metre
member: joule per square centimetre
member: megawatt hour (1000 kW.h)
member: British thermal unit (thermochemical) per square foot
member: calorie (international table) per gram
member: foot poundal
member: British thermal unit (international table) per square foot
member: petajoule
member: joule per kilogram
member: millijoule
member: milligray
member: gigaelectronvolt
member: British thermal unit (thermochemical) per pound
member: calorie (thermochemical) per square centimetre
member: erg per square centimetre second
member: terajoule
member: gigajoule
member: watt per square metre
member: one
member: pound-force foot per pound
member: kilogram-force metre
member: femtojoule
member: watt per metre
member: erg
member: kilojoule per gram
member: gray
member: gigawatt hour
member: kiloelectronvolt
member: joule per metre
member: kilowatt hour
member: foot pound-force
member: terawatt hour
member: megajoule per kilogram
member: megaelectronvolt
member: joule
member: British thermal unit (international table) per pound
member: megajoule

kilogram-force
type: Concept
deprecated: true
in scheme: Unit of measure
notation: B37
conversion multiplier: 9.80665
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: kgf
unit symbol: kgf

kilonewton per square metre
type: Concept
in scheme: Unit of measure
notation: KNM
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
unit symbol: KN/m2

cheval vapeur
type: Concept
deprecated: true
definition: Synonym: metric horse power
in scheme: Unit of measure
notation: A25
rec20 quantity: power
rec20 sector: Mechanics
unit symbol: CV

farad per kilometre
type: Concept
in scheme: Unit of measure
notation: H33
conversion multiplier: 0.001
dimension vector: I2 L-3 M-1 T4
rec20 quantity: permittivity, permittivity of vacuum, (electric constant)
rec20 sector: Electricity and Magnetism
ucum code: F.km-1
unit symbol: F/km

reciprocal cubic inch
type: Concept
in scheme: Unit of measure
notation: K49
conversion multiplier: 61023.76
dimension vector: L-3
rec20 quantity: volumic number of molecules (or particles), number density of molecules (or particles), molecular concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: /[cin_i]
unit symbol: 1/in³

kilomole per second
type: Concept
in scheme: Unit of measure
notation: E94
conversion multiplier: 1000.0
dimension vector: N1 T-1
rec20 quantity: catalytic activity
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kmol.s-1
unit symbol: kmol/s

ampere hour
type: Concept
definition: A unit of electric charge defining the amount of charge accumulated by a steady flow of one ampere for one hour.
in scheme: Unit of measure
notation: AMH
conversion multiplier: 3600.0
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: A.h
unit symbol: A·h

gram per cubic decimetre
type: Concept
in scheme: Unit of measure
notation: F23
conversion multiplier: 1.0
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.dm-3
unit symbol: g/dm³

gram per litre kelvin
type: Concept
in scheme: Unit of measure
notation: G35
conversion multiplier: 1.0
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.L-1.K-1
unit symbol: g/(l·K)

nanometre
type: Concept
in scheme: Unit of measure
notation: C45
conversion multiplier: 1e-09
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: nm
unit symbol: nm

henry per ohm
type: Concept
in scheme: Unit of measure
notation: H04
conversion multiplier: 1.0
dimension vector: T1
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: H.Ohm-1
unit symbol: H/Ω

teaspoon (US)
type: Concept
in scheme: Unit of measure
notation: G25
conversion multiplier: 4.92892187e-06
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [tsp_us]
unit symbol: teaspoon (US)

Density units
type: Collection
definition: Units of measure grouped by quantity kind: density.
member: coulomb per cubic millimetre
member: ton short per psi
member: gram per millilitre
member: reciprocal electron volt per cubic metre
member: milligram per square centimetre
member: ampere per metre
member: kilogram per pascal
member: milligram per cubic metre
member: mole per second
member: gram per millilitre bar
member: kiloampere per square metre
member: kilogram per kilometre
member: kilogram per kilomole
member: milliampere per bar
member: pound per cubic inch
member: mole per kilogram kelvin
member: milligram per metre
member: gram per kelvin
member: kilogram per cubic metre
member: pound per foot
member: reciprocal psi
member: pound per inch of length
member: gram per cubic metre bar
member: megagram per cubic metre
member: milligram per gram
member: ton (UK long) per cubic yard
member: milligram per bar
member: millitesla
member: pound per yard
member: gram per millimetre
member: kilogram per cubic centimetre kelvin
member: microgram per cubic metre
member: kilogram per litre kelvin
member: gram per cubic metre kelvin
member: mole per litre
member: pound per cubic foot
member: kilogram per square metre
member: reciprocal second per cubic metre
member: tonne per cubic metre bar
member: gram per cubic decimetre
member: gram per cubic centimetre bar
member: coulomb per square millimetre
member: megacoulomb per square metre
member: microcoulomb per cubic metre
member: microgram per cubic metre bar
member: kilogram per litre bar
member: kilogram per millimetre
member: gram per cubic decimetre kelvin
member: coulomb per cubic centimetre
member: kilogram per cubic centimetre
member: millimole per litre
member: gram per square centimetre
member: reciprocal cubic metre
member: kilocoulomb per square metre
member: joule per metre to the fourth power
member: tesla
member: one
member: ounce per square foot
member: mole per litre kelvin
member: erg per cubic centimetre
member: nanotesla
member: kilogram square millimetre
member: coulomb per cubic metre
member: British thermal unit (international table) per cubic foot
member: kilogram per litre
member: ampere per square millimetre
member: tonne per cubic metre
member: mol per kilogram pascal
member: kilogram per cubic centimetre bar
member: ampere per square metre
member: gamma
member: milliampere per pound-force per square inch
member: microtesla
member: reciprocal cubic metre per second
member: pound (avoirdupois) per psi
member: joule per cubic metre
member: gram per cubic centimetre

erg per gram second
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A62
conversion multiplier: 0.0001
dimension vector: L2 T-3
rec20 quantity: kerma rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: erg.g-1.s-1
unit symbol: erg/g·s

joule per second
type: Concept
definition: Quotient of the derived SI unit joule divided by the SI base unit second.
in scheme: Unit of measure
notation: P14
conversion multiplier: 1.0
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: J.s-1
unit symbol: J/s

reciprocal cubic millimetre
type: Concept
in scheme: Unit of measure
notation: L20
conversion multiplier: 1000000000.0
dimension vector: L-3
rec20 quantity: volumic number of molecules (or particles), number density of molecules (or particles), molecular concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: /mm3
unit symbol: 1/mm³

ounce (avoirdupois) per square inch
type: Concept
definition: Unit of the surface specific mass (avoirdupois ounce according to the avoirdupois system of units according to the surface square inch according to the Anglo-American and Imperial system of units).
in scheme: Unit of measure
notation: N22
conversion multiplier: 43.94184872744746
dimension vector: L-2 M1
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [oz_av].[in_i]-2
unit symbol: oz/in²

centimetre per second
type: Concept
in scheme: Unit of measure
notation: 2M
conversion multiplier: 0.01
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: cm.s-1
unit symbol: cm/s

ohm per kilometre
type: Concept
in scheme: Unit of measure
notation: F56
conversion multiplier: 0.001
dimension vector: I-2 L1 M1 T-3
rec20 quantity: lineic resistance
rec20 sector: Electricity and Magnetism
ucum code: Ohm.km-1
unit symbol: Ω/km

Viscosity units
type: Collection
definition: Units of measure grouped by quantity kind: viscosity.
member: square metre per second
member: square inch per second
member: millimetre squared per second
member: poundal second per square inch
member: kilogram per metre day
member: pound per foot second
member: stokes per bar
member: newton second per square metre
member: poise per pascal
member: slug per foot second
member: gram per centimetre second
member: kilogram per metre hour
member: stokes per pascal
member: stokes
member: pound-force second per square inch
member: kilogram per metre second
member: square metre per second pascal
member: stokes per kelvin
member: square foot per second
member: micropoise
member: pound-force second per square foot
member: kilogram per metre minute
member: square centimetre per second
member: pound per foot day
member: centistokes
member: centipoise per kelvin
member: pound per foot minute
member: poise
member: square metre per second bar
member: pound per foot hour
member: square foot per hour
member: centipoise per bar
member: millipascal second
member: poise per bar
member: poise per kelvin
member: millipascal second per kelvin
member: square metre per second kelvin
member: pascal second
member: centipoise
member: poundal second per square foot
member: millipascal second per bar

hectolitre
type: Concept
in scheme: Unit of measure
notation: HLT
conversion multiplier: 0.1
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: hL
unit symbol: hl

millibar
type: Concept
in scheme: Unit of measure
notation: MBR
conversion multiplier: 100.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: mbar
unit symbol: mbar

megapascal litre per second
type: Concept
in scheme: Unit of measure
notation: F97
conversion multiplier: 1000.0
dimension vector: L2 M1 T-3
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: MPa.L.s-1
unit symbol: MPa·l/s

millilitre per square centimetre minute
type: Concept
in scheme: Unit of measure
notation: M22
conversion multiplier: 0.00016666667
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: mL.cm-2
unit symbol: (ml/min)/cm²

joule per metre
type: Concept
in scheme: Unit of measure
notation: B12
conversion multiplier: 1.0
dimension vector: L1 M1 T-2
rec20 quantity: linear energy transfer
rec20 quantity: total linear stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: J.m-1
unit symbol: J/m

kilogram per hour kelvin
type: Concept
in scheme: Unit of measure
notation: F40
conversion multiplier: 0.0002777777777777778
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.h-1.K-1
unit symbol: kg/(h·K)

millitesla
type: Concept
in scheme: Unit of measure
notation: C29
conversion multiplier: 0.001
dimension vector: I-1 M1 T-2
rec20 quantity: magnetic flux density, magnetic induction, magnetic polarization
rec20 sector: Electricity and Magnetism
ucum code: mT
unit symbol: mT

Unit of measure
type: ConceptScheme
source: cl-recommendations
definition: Units of measure — UNECE Recommendation 20 Revision 17 (2021), Annex I. UNECE Rec 20 Rev 17.
code list scope: shared
term status: proposed

bar [unit of pressure]
type: Concept
in scheme: Unit of measure
notation: BAR
conversion multiplier: 100000.0
dimension vector: L-1 M1 T-2
rec20 quantity: static pressure, (instantaneous) sound pressure
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Acoustics
rec20 sector: Mechanics
ucum code: bar
unit symbol: bar

millilitre per minute bar
type: Concept
in scheme: Unit of measure
notation: G92
conversion multiplier: 1.6666666666666667e-13
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.min-1.bar-1
unit symbol: ml/(min·bar)

pound (avoirdupois) per minute
type: Concept
in scheme: Unit of measure
notation: K78
conversion multiplier: 0.007559872833333333
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lb_av].min-1
unit symbol: lb/min

Force, moment, momentum units
type: Collection
definition: Units of measure grouped by quantity kind: force, moment, momentum.
member: pound-force foot
member: pound-force inch
member: ounce foot
member: newton
member: decinewton metre
member: pond
member: pound-force
member: newton second
member: newton metre per ampere
member: inch pound (pound inch)
member: kilogram centimetre per second
member: pound inch per second
member: ounce inch
member: millimetre to the fourth power
member: kilonewton
member: pound-force foot per ampere
member: dyne centimetre
member: millinewton
member: millinewton metre
member: poundal inch
member: volt
member: kilopound-force
member: dyne metre
member: micronewton metre
member: poundal foot
member: coulomb metre
member: newton metre second
member: poundal
member: newton metre per radian
member: pound (avoirdupois) square foot
member: ton-force (US short)
member: pound inch squared
member: newton per millimetre
member: newton metre per square metre
member: pound-force per inch
member: kilopond
member: kilogram metre squared per second
member: pound-force per foot
member: newton metre watt to the power minus 0,5
member: foot to the fourth power
member: one
member: centinewton metre
member: kilogram metre
member: ounce (avoirdupois)-force
member: pound-force foot per pound
member: newton centimetre
member: dyne
member: ampere square metre
member: gram centimetre per second
member: newton metre per kilogram
member: newton metre per degree
member: kilogram metre per second squared
member: kilogram metre per second
member: kilogram-force metre
member: newton metre
member: micronewton
member: meganewton metre
member: inch to the fourth power
member: meganewton
member: kilonewton metre
member: metre to the fourth power
member: kilogram metre squared
member: newton per ampere
member: kilogram-force
member: pound foot per second
member: ounce (avoirdupois)-force inch

millilitre per second kelvin
type: Concept
in scheme: Unit of measure
notation: G76
conversion multiplier: 1e-06
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.s-1.K-1
unit symbol: ml/(s·K)

petajoule
type: Concept
in scheme: Unit of measure
notation: C68
conversion multiplier: 1000000000000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: PJ
unit symbol: PJ

square metre per second pascal
type: Concept
definition: Power of the SI base unit metre with the exponent 2 divided by the SI base unit second and the derived SI unit pascal.
in scheme: Unit of measure
notation: M82
conversion multiplier: 1.0
dimension vector: L3 M-1 T1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: m2.s-1.Pa-1
unit symbol: (m²/s)/Pa

pound per inch of length
type: Concept
in scheme: Unit of measure
notation: PO
conversion multiplier: 17.857967322834646
dimension vector: L-1 M1
rec20 quantity: linear density, linear mass
rec20 sector: Mechanics
ucum code: [lb_av].[in_i]-1
unit symbol: lb/in

milligram per square metre
type: Concept
in scheme: Unit of measure
notation: GO
conversion multiplier: 1e-06
dimension vector: L-2 M1
rec20 quantity: surface density, areic mass
rec20 sector: Mechanics
ucum code: mg.m-2
unit symbol: mg/m²

Inductance units
type: Collection
definition: Units of measure grouped by quantity kind: inductance.
member: microhenry
member: millihenry per ohm
member: picohenry
member: millihenry
member: henry per ohm
member: nanohenry
member: kilohenry
member: microhenry per kiloohm
member: henry per kiloohm
member: microhenry per ohm
member: millihenry per kiloohm
member: henry

volt per metre
type: Concept
in scheme: Unit of measure
notation: D50
conversion multiplier: 1.0
dimension vector: I-1 L1 M1 T-3
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.m-1
unit symbol: V/m

kilotesla
type: Concept
definition: 1000-fold of the derived SI unit tesla.
in scheme: Unit of measure
notation: P13
conversion multiplier: 1000.0
dimension vector: I-1 M1 T-2
rec20 quantity: magnetic flux density, magnetic induction, magnetic polarization
rec20 sector: Electricity and Magnetism
unit symbol: kT

bar per bar
type: Concept
in scheme: Unit of measure
notation: J56
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: pressure ratio
rec20 sector: Mechanics
ucum code: bar.bar-1
unit symbol: bar/bar

British thermal unit (thermochemical) per pound
type: Concept
definition: Unit of the heat energy according to the Imperial system of units divided the unit avoirdupois pound according to the avoirdupois system of units.
in scheme: Unit of measure
notation: N73
conversion multiplier: 2324.443861
dimension vector: L2 T-2
rec20 quantity: massic Helmholtz free energy,
rec20 sector: Heat
ucum code: [Btu_th].[lb_av]-1
unit symbol: Btuth/lb

volt per pascal
type: Concept
definition: Derived SI unit volt divided by the derived SI unit pascal.
in scheme: Unit of measure
notation: N98
conversion multiplier: 1.0
dimension vector: I-1 L3 T-1
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.Pa-1
unit symbol: V/Pa

kilogram per cubic decimetre
type: Concept
in scheme: Unit of measure
notation: B34
conversion multiplier: 1000.0
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.dm-3
unit symbol: kg/dm³

kilogram per day bar
type: Concept
in scheme: Unit of measure
notation: F66
conversion multiplier: 1.1574074074074074e-10
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.d-1.bar-1
unit symbol: kg/(d·bar)

psi per psi
type: Concept
in scheme: Unit of measure
notation: L52
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: pressure ratio
rec20 sector: Mechanics
ucum code: [psi].[psi]-1
unit symbol: psi/psi

milligram per hour
type: Concept
in scheme: Unit of measure
notation: 4M
conversion multiplier: 2.777778e-10
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg.h-1
unit symbol: mg/h

yard per second
type: Concept
definition: Unit yard according to the Anglo-American and Imperial system of units divided by the SI base unit second.
in scheme: Unit of measure
notation: M64
conversion multiplier: 0.9144
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [yd_i].s-1
unit symbol: yd/s

joule
type: Concept
in scheme: Unit of measure
notation: JOU
conversion multiplier: 1.0
dimension vector: L2 M1 T-2
rec20 quantity: Hartree energy
rec20 quantity: level width, alpha disintegration energy
rec20 quantity: reaction energy
rec20 quantity: work function
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 quantity: radiant energy
rec20 quantity: energy imparted, mean energy imparted
rec20 quantity: active energy
rec20 sector: Heat
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Electricity and Magnetism
rec20 sector: Mechanics
rec20 sector: Solid State Physics
ucum code: J
unit symbol: J

kilogram per second
type: Concept
in scheme: Unit of measure
notation: KGS
conversion multiplier: 1.0
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.s-1
unit symbol: kg/s

square foot
type: Concept
in scheme: Unit of measure
notation: FTK
conversion multiplier: 0.09290304
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: [ft_i]2
unit symbol: ft²

calorie (thermochemical) per square centimetre second
type: Concept
definition: Unit of the surface heat flux according to the Imperial system of units.
in scheme: Unit of measure
notation: N57
conversion multiplier: 41840.0
dimension vector: M1 T-3
rec20 quantity: density of heat flow rate
rec20 sector: Heat
ucum code: cal_th.cm-2.s-1
unit symbol: calth/(cm²·s)

lumen second
type: Concept
in scheme: Unit of measure
notation: B62
conversion multiplier: 1.0
dimension vector: J1 T1
rec20 quantity: quantity of light
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: lm.s
unit symbol: lm·s

poundal
type: Concept
definition: Non SI-conforming unit of the power, which corresponds to a mass of a pound multiplied with the acceleration of a foot per square second.
in scheme: Unit of measure
notation: M76
conversion multiplier: 0.138254954376
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i].s-2
unit symbol: pdl

Acceleration units
type: Collection
definition: Units of measure grouped by quantity kind: acceleration.
member: standard acceleration of free fall
member: gal
member: centimetre per second squared
member: radian per second squared
member: yard per second squared
member: foot per second squared
member: degree [unit of angle] per second squared
member: milligal
member: inch per second squared
member: kilometre per second squared
member: mile (statute mile) per second squared
member: millimetre per second squared
member: metre per second squared

cubic centimetre per bar
type: Concept
in scheme: Unit of measure
notation: G94
conversion multiplier: 1e-11
dimension vector: L4 M-1 T2
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: cm3.bar-1
unit symbol: cm³/bar

Area units
type: Collection
definition: Units of measure grouped by quantity kind: area.
member: are
member: square inch
member: square mile (statute mile)
member: square decimetre
member: square centimetre
member: square mile (based on U.S. survey foot)
member: square foot
member: square decametre
member: square kilometre
member: acre
member: square millimetre
member: square metre
member: circular mil
member: square micrometre (square micron)
member: square hectometre
member: hectare
member: square metre per newton
member: decare
member: square yard

British thermal unit (39 ºF)
type: Concept
definition: Unit of heat energy according to the Imperial system of units in a reference temperature of 39 °F.
in scheme: Unit of measure
notation: N66
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
unit symbol: Btu (39 ºF)

square hectometre
type: Concept
definition: Synonym: hectare
in scheme: Unit of measure
notation: H18
rec20 quantity: area
rec20 sector: Space and Time
unit symbol: hm²

British thermal unit (mean)
type: Concept
in scheme: Unit of measure
notation: J39
conversion multiplier: 1055.05585262
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
ucum code: [Btu_m]
unit symbol: Btu

megaohm per metre
type: Concept
in scheme: Unit of measure
notation: H37
conversion multiplier: 1000000.0
dimension vector: I-2 L1 M1 T-3
rec20 quantity: lineic resistance
rec20 sector: Electricity and Magnetism
ucum code: MOhm.m-1
unit symbol: MΩ/m

centistokes
type: Concept
in scheme: Unit of measure
notation: 4C
conversion multiplier: 1e-06
dimension vector: L2 T-1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: cSt
unit symbol: cSt

ton (UK) or long ton (US)
type: Concept
definition: Synonym: gross ton (2240 lb)
in scheme: Unit of measure
notation: LTN
conversion multiplier: 1016.0469088
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [lton_av]
unit symbol: ton (UK)

millivolt per minute
type: Concept
in scheme: Unit of measure
notation: H62
conversion multiplier: 1.666667e-05
dimension vector: I-1 L2 M1 T-4
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: mV.min-1
unit symbol: mV/min

square metre hour degree Celsius per kilocalorie (international table)
type: Concept
in scheme: Unit of measure
notation: L14
conversion multiplier: 0.859845
dimension vector: M-1 Θ1 T3
rec20 quantity: thermal insulance, coefficient of thermal insulation
rec20 sector: Heat
ucum code: m2.h.Cel/kcal_IT
unit symbol: m²·h·°C/kcal

decimetre
type: Concept
in scheme: Unit of measure
notation: DMT
conversion multiplier: 0.1
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: dm
unit symbol: dm

gram per litre bar
type: Concept
in scheme: Unit of measure
notation: G13
conversion multiplier: 1e-05
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.L-1.bar-1
unit symbol: g/(l·bar)

lumen
type: Concept
in scheme: Unit of measure
notation: LUM
conversion multiplier: 1.0
dimension vector: J1
rec20 quantity: luminous flux
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: lm
unit symbol: lm

microtesla
type: Concept
in scheme: Unit of measure
notation: D81
conversion multiplier: 1e-06
dimension vector: I-1 M1 T-2
rec20 quantity: magnetic flux density, magnetic induction, magnetic polarization
rec20 sector: Electricity and Magnetism
ucum code: uT
unit symbol: µT

US gallon per minute
type: Concept
in scheme: Unit of measure
notation: G2
conversion multiplier: 6.30902e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gal_us].min-1
unit symbol: gal (US) /min

pound
type: Concept
in scheme: Unit of measure
notation: LBR
conversion multiplier: 0.45359237
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: [lb_av]
unit symbol: lb

weber metre
type: Concept
definition: Product of the derived SI unit weber and SI base unit metre.
in scheme: Unit of measure
notation: P50
conversion multiplier: 1.0
dimension vector: I-1 L3 M1 T-2
rec20 quantity: magnetic dipole moment
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: Wb.m
unit symbol: Wb·m

gram per hour kelvin
type: Concept
in scheme: Unit of measure
notation: F36
conversion multiplier: 2.7777777777777776e-07
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.h-1.K-1
unit symbol: g/(h·K)

bel
type: Concept
definition: Logarithmic relationship to base 10.
in scheme: Unit of measure
notation: M72
dimension vector: 1
rec20 quantity: level of a field quantity, level of a power quantity
rec20 sector: Periodic and related phenomena
ucum code: B
unit symbol: B

millilitre per minute kelvin
type: Concept
in scheme: Unit of measure
notation: G75
conversion multiplier: 1.6666666666666667e-08
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.min-1.K-1
unit symbol: ml/(min·K)

metre to the fourth power
type: Concept
in scheme: Unit of measure
notation: B83
conversion multiplier: 1.0
dimension vector: L4
rec20 quantity: second moment of area, second axial moment of area
rec20 sector: Mechanics
ucum code: m4
unit symbol: m⁴

mile per second
type: Concept
definition: Unit of the velocity from the Imperial system of units.
in scheme: Unit of measure
notation: M58
conversion multiplier: 1609.344
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [mi_i].sec-1
unit symbol: mi/s

cubic yard per degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: M11
conversion multiplier: 1.376198881991088
dimension vector: L3 Θ-1
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [cyd_i].[degF]-1
unit symbol: yd³/°F

Joule per normalised cubic metre
type: Concept
definition: Joule per normalised cubic metre (temperature 0°C and pressure 101325 millibars).
in scheme: Unit of measure
notation: Q41
rec20 sector: Mechanics

megacoulomb
type: Concept
in scheme: Unit of measure
notation: D77
conversion multiplier: 1000000.0
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: MC
unit symbol: MC

British thermal unit (international table) per second square foot degree Fahrenheit
type: Concept
definition: Unit of the heat transition coefficient according to the imperial system of units.
in scheme: Unit of measure
notation: N76
conversion multiplier: 20441.748028008555
dimension vector: M1 Θ-1 T-3
rec20 quantity: surface coefficient of heat transfer
rec20 sector: Heat
ucum code: [Btu_IT].s-1.[ft_i]-2.[degF]-1
unit symbol: BtuIT/(s·ft²·ºF)

pound (avoirdupois) per psi
type: Concept
in scheme: Unit of measure
notation: K77
conversion multiplier: 6.578800824473968e-05
dimension vector: L1 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lb_av].[psi]-1
unit symbol: lb/psi

kilopascal per millimetre
type: Concept
in scheme: Unit of measure
notation: 34
conversion multiplier: 1000000.0
dimension vector: L-2 M1 T-2
rec20 quantity: hardness index
rec20 sector: Miscellaneous
ucum code: kPa.mm-1
unit symbol: kPa/mm

degree per second
type: Concept
in scheme: Unit of measure
notation: E96
conversion multiplier: 0.0174532925
dimension vector: T-1
rec20 quantity: solid angle
rec20 sector: Space and Time
ucum code: deg.s-1
unit symbol: °/s

centipoise
type: Concept
in scheme: Unit of measure
notation: C7
conversion multiplier: 0.001
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: cP
unit symbol: cP

weber per metre
type: Concept
in scheme: Unit of measure
notation: D59
conversion multiplier: 1.0
dimension vector: I-1 L1 M1 T-2
rec20 quantity: magnetic vector potential
rec20 sector: Electricity and Magnetism
ucum code: Wb.m-1
unit symbol: Wb/m

bushel (UK)
type: Concept
in scheme: Unit of measure
notation: BUI
conversion multiplier: 0.03636872
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [bu_br]
unit symbol: bushel (UK)

kilogram metre per second
type: Concept
in scheme: Unit of measure
notation: B31
conversion multiplier: 1.0
dimension vector: L1 M1 T-1
rec20 quantity: momentum
rec20 sector: Mechanics
ucum code: kg.m.s-1
unit symbol: kg·m/s

tonne per day kelvin
type: Concept
in scheme: Unit of measure
notation: L72
conversion multiplier: 0.011574074074074073
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.d-1.K-1
unit symbol: (t/d)/K

cubic decimetre per day
type: Concept
in scheme: Unit of measure
notation: J90
conversion multiplier: 1.157407407e-08
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: dm3.d-1
unit symbol: dm³/d

standard atmosphere per metre
type: Concept
definition: Outdated unit of the pressure divided by the SI base unit metre.
in scheme: Unit of measure
notation: P83
conversion multiplier: 101325.0
dimension vector: L-2 M1 T-2
rec20 quantity: hardness index
rec20 sector: Miscellaneous
ucum code: atm.m-1
unit symbol: Atm/m

gigajoule
type: Concept
in scheme: Unit of measure
notation: GV
conversion multiplier: 1000000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: GJ
unit symbol: GJ

microgram per cubic metre
type: Concept
in scheme: Unit of measure
notation: GQ
conversion multiplier: 1e-09
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: ug.m-3
unit symbol: µg/m³

milligal
type: Concept
in scheme: Unit of measure
notation: C11
conversion multiplier: 1e-05
dimension vector: L1 T-2
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
ucum code: mGal
unit symbol: mGal

microbecquerel
type: Concept
in scheme: Unit of measure
notation: H08
conversion multiplier: 1e-06
dimension vector: T-1
rec20 quantity: activity
rec20 sector: Atomic and Nuclear Physics
ucum code: uBq
unit symbol: µBq

degree Fahrenheit per second
type: Concept
in scheme: Unit of measure
notation: J25
conversion multiplier: 0.5555555555555556
dimension vector: Θ1 T-1
rec20 quantity: temperature variation over time
rec20 sector: Heat
ucum code: [degF].s-1
unit symbol: °F/s

kilometre per second squared
type: Concept
definition: 1000-fold of the SI base unit metre divided by the power of the SI base unit second by exponent 2.
in scheme: Unit of measure
notation: M38
conversion multiplier: 1000.0
dimension vector: L1 T-2
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
ucum code: km.s-2
unit symbol: km/s²

pascal squared second
type: Concept
definition: Unit of the set as a product of the power of derived SI unit pascal with exponent 2 and the SI base unit second.
in scheme: Unit of measure
notation: P42
conversion multiplier: 1.0
dimension vector: L-2 M2 T-3
rec20 quantity: sound exposure
rec20 sector: Acoustics
ucum code: Pa2.s
unit symbol: Pa²·s

Electric charge units
type: Collection
definition: Units of measure grouped by quantity kind: electric charge.
member: kilocoulomb
member: ampere squared second
member: coulomb
member: picocoulomb
member: ampere hour
member: megacoulomb
member: kiloampere hour (thousand ampere hour)
member: microcoulomb
member: ampere second
member: ampere minute
member: milliampere hour
member: franklin
member: nanocoulomb
member: millicoulomb

British thermal unit (international table) per cubic foot
type: Concept
definition: Unit of the energy density according to the Imperial system of units.
in scheme: Unit of measure
notation: N58
conversion multiplier: 37258.94579
dimension vector: L-1 M1 T-2
rec20 quantity: energy density
rec20 sector: Heat
ucum code: [Btu_IT].[ft_i]-3
unit symbol: BtuIT/ft³

yard per hour
type: Concept
definition: Unit yard according to the Anglo-American and Imperial system of units divided by the unit hour.
in scheme: Unit of measure
notation: M66
conversion multiplier: 0.000254
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [yd_i].h-1
unit symbol: yd/h

pound per foot day
type: Concept
definition: Unit of the dynamic viscosity according to the Anglo-American unit system.
in scheme: Unit of measure
notation: N44
conversion multiplier: 1.7224119717240207e-05
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i]-1.d-1
unit symbol: lb/(ft·d)

metre per second pascal
type: Concept
definition: SI base unit meter divided by the product of SI base unit second and the derived SI unit pascal.
in scheme: Unit of measure
notation: M59
conversion multiplier: 1.0
dimension vector: L2 M-1 T1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: m.s-1.Pa-1
unit symbol: (m/s)/Pa

newton second
type: Concept
in scheme: Unit of measure
notation: C57
conversion multiplier: 1.0
dimension vector: L1 M1 T-1
rec20 quantity: impulse
rec20 sector: Mechanics
ucum code: N.s
unit symbol: N·s

newton per square centimetre
type: Concept
definition: A measure of pressure expressed in newtons per square centimetre.
in scheme: Unit of measure
notation: E01
conversion multiplier: 10000.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: N.cm-2
unit symbol: N/cm²

kilogram per pascal
type: Concept
definition: SI base unit kilogram divided by the derived SI unit pascal.
in scheme: Unit of measure
notation: M74
conversion multiplier: 1.0
dimension vector: L1 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.Pa-1
unit symbol: kg/Pa

kilomole per cubic metre kelvin
type: Concept
in scheme: Unit of measure
notation: K59
conversion multiplier: 1000.0
dimension vector: N1 L-3 Θ-1
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kmol.m-3.K-1
unit symbol: (kmol/m³)/K

metre per minute
type: Concept
in scheme: Unit of measure
notation: 2X
conversion multiplier: 0.0166666667
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: m.min-1
unit symbol: m/min

kilovolt - ampere
type: Concept
in scheme: Unit of measure
notation: KVA
conversion multiplier: 1000.0
dimension vector: L2 M1 T-3
rec20 quantity: apparent power
rec20 sector: Electricity and Magnetism
ucum code: kVA
unit symbol: kV·A

gigahertz
type: Concept
in scheme: Unit of measure
notation: A86
conversion multiplier: 1000000000.0
dimension vector: T-1
rec20 quantity: frequency
rec20 sector: Periodic and related phenomena
ucum code: GHz
unit symbol: GHz

megapascal per kelvin
type: Concept
in scheme: Unit of measure
notation: F85
conversion multiplier: 1000000.0
dimension vector: L-1 M1 Θ-1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: MPa.K-1
unit symbol: MPa/K

metre per second squared
type: Concept
in scheme: Unit of measure
notation: MSK
conversion multiplier: 1.0
dimension vector: L1 T-2
rec20 quantity: (instantaneous) sound particle acceleration
rec20 quantity: acceleration, acceleration of free fall, acceleration due to gravity
rec20 sector: Space and Time
rec20 sector: Acoustics
ucum code: m.s-2
unit symbol: m/s²

gram per hertz
type: Concept
in scheme: Unit of measure
notation: F25
conversion multiplier: 0.001
dimension vector: M1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.Hz-1
unit symbol: g/Hz

square metre per steradian joule
type: Concept
in scheme: Unit of measure
notation: D25
conversion multiplier: 1.0
dimension vector: M-1 T2
rec20 quantity: spectral angular cross-section
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: m2.sr-1.J-1
unit symbol: m²/(sr·J)

exajoule
type: Concept
in scheme: Unit of measure
notation: A68
conversion multiplier: 1e+18
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: EJ
unit symbol: EJ

reciprocal metre
type: Concept
in scheme: Unit of measure
notation: C92
conversion multiplier: 1.0
dimension vector: L-1
rec20 quantity: angular reciprocal lattice vector, fundamental reciprocal lattice vector
rec20 quantity: Rydberg constant
rec20 quantity: vergence, lens power
rec20 quantity: linear ionization by a particle, total ionization by a particle
rec20 quantity: linear attenuation coefficient, linear extinction coefficient,linear absorption coefficient
rec20 quantity: wavenumber, repetency
rec20 quantity: curvature
rec20 quantity: repetency, wavenumber
rec20 quantity: angular repetency, angular wave number
rec20 quantity: macroscopic cross-section, volumic cross-section, volumic total cross-section, macroscopic total cross-section
rec20 quantity: linear attenuation coefficient
rec20 quantity: attenuation coefficient, phase coefficient, propagation coefficient
rec20 quantity: wave number, attenuation coefficient, phase coefficient, propagation coefficient, repetency
rec20 sector: Space and Time
rec20 sector: Acoustics
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Periodic and related phenomena
rec20 sector: Solid State Physics
ucum code: /m
unit symbol: m⁻¹

cubic inch per hour
type: Concept
in scheme: Unit of measure
notation: G56
conversion multiplier: 4.551961e-09
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [cin_i].h-1
unit symbol: in³/h

erg square centimetre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A66
conversion multiplier: 1e-11
dimension vector: L4 M1 T-2
rec20 quantity: total atomic stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: erg.cm2
unit symbol: erg·cm²

pound-force second per square foot
type: Concept
in scheme: Unit of measure
notation: K91
conversion multiplier: 47.8802631
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: [lbf_av].s.[sft_i]-1
unit symbol: lbf·s/ft²

litre per bar
type: Concept
in scheme: Unit of measure
notation: G95
conversion multiplier: 1e-08
dimension vector: L4 M-1 T2
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: L.bar-1
unit symbol: l/bar

furlong
type: Concept
definition: Unit commonly used in Great Britain at rural distances: 1 furlong = 40 rods = 10 chains (UK) = 1/8 mile = 1/10 furlong = 220 yards = 660 foot.
in scheme: Unit of measure
notation: M50
conversion multiplier: 201.168
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [fur_us]
unit symbol: fur

peck (US dry) per second
type: Concept
in scheme: Unit of measure
notation: L51
conversion multiplier: 0.00880976754
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pk_us].s-1
unit symbol: pk (US dry)/s

erg per cubic centimetre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A60
conversion multiplier: 0.1
dimension vector: L-1 M1 T-2
rec20 quantity: sound energy density, volumic, sound energy
rec20 sector: Acoustics
ucum code: erg.cm-3
unit symbol: erg/cm³

tonne per bar
type: Concept
in scheme: Unit of measure
notation: L70
conversion multiplier: 0.01
dimension vector: L1 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: t.bar-1
unit symbol: t/bar

reciprocal square inch
type: Concept
definition: Complement of the power of the unit inch according to the Anglo-American and Imperial system of units by exponent 2.
in scheme: Unit of measure
notation: P78
conversion multiplier: 1550.0031000062
dimension vector: L-2
rec20 quantity: particle fluence
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: [in_i]-2
unit symbol: 1/in²

peck (UK) per hour
type: Concept
in scheme: Unit of measure
notation: L45
conversion multiplier: 2.525605833e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pk_br].h-1
unit symbol: pk (UK)/h

gram per millilitre
type: Concept
in scheme: Unit of measure
notation: GJ
conversion multiplier: 1000.0
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.mL-1
unit symbol: g/ml

millimetre per bar
type: Concept
in scheme: Unit of measure
notation: G06
conversion multiplier: 1e-08
dimension vector: L2 M-1 T2
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: mm.bar-1
unit symbol: mm/bar

joule per day
type: Concept
definition: Quotient from the derived SI unit joule divided by the unit day.
in scheme: Unit of measure
notation: P17
conversion multiplier: 1.1574074074074073e-05
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: J.d-1
unit symbol: J/d

coulomb per kilogram
type: Concept
in scheme: Unit of measure
notation: CKG
conversion multiplier: 1.0
dimension vector: I1 M-1 T1
rec20 quantity: exposure
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: C.kg-1
unit symbol: C/kg

microgray per minute
type: Concept
definition: 0,000 001-fold of the derived SI unit gray divided by the unit minute.
in scheme: Unit of measure
notation: P59
conversion multiplier: 1.6666666666666667e-08
dimension vector: L2 T-3
rec20 quantity: absorbed dose rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: uGy.min-1
unit symbol: µGy/min

cubic metre
type: Concept
definition: Synonym: metre cubed
in scheme: Unit of measure
notation: MTQ
conversion multiplier: 1.0
dimension vector: L3
rec20 quantity: section modulus
rec20 quantity: volume
rec20 sector: Mechanics
rec20 sector: Space and Time
ucum code: m3
unit symbol: m³

degree Fahrenheit second per British thermal unit (thermochemical)
type: Concept
definition: Non SI-conforming unit of the thermal resistance according to the Imperial system of units.
in scheme: Unit of measure
notation: N87
conversion multiplier: 0.000526917452635168
dimension vector: L-2 M-1 Θ1 T3
rec20 quantity: thermal resistance
rec20 sector: Heat
ucum code: [degF].s.[Btu_th]-1
unit symbol: ºF/(Btuth/s)

gram per cubic metre
type: Concept
in scheme: Unit of measure
notation: A93
conversion multiplier: 0.001
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.m-3
unit symbol: g/m³

kilogram per second bar
type: Concept
in scheme: Unit of measure
notation: F69
conversion multiplier: 1e-05
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.s-1.bar-1
unit symbol: kg/(s·bar)

pound mole per second
type: Concept
definition: Non SI-conforming unit of the power of the amount of substance non-SI compliant unit of the molar flux relating that a pound mole of a chemical composition the same number of pound corresponds like the molecular weight of a molecule of this composition in atomic mass units.
in scheme: Unit of measure
notation: P45
conversion multiplier: 453.59237
dimension vector: N1 T-1
rec20 quantity: catalytic activity
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: [mol_lb].s-1
unit symbol: lbmol/s

horsepower (electric)
type: Concept
in scheme: Unit of measure
notation: K43
conversion multiplier: 746.0
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
unit symbol: electric hp

cubic metre per hour kelvin
type: Concept
in scheme: Unit of measure
notation: G70
conversion multiplier: 0.0002777777777777778
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.h-1.K-1
unit symbol: m³/(h·K)

inch per psi
type: Concept
in scheme: Unit of measure
notation: K46
conversion multiplier: 3.6839583730572627e-06
dimension vector: L2 M-1 T2
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [in_i].[psi]-1
unit symbol: in/psi

calorie (20 ºC)
type: Concept
definition: Unit for quantity of heat, which is to be required for 1 g air free water at a constant pressure from 101,325 kPa, to warm up the pressure of standard atmosphere at sea level, from 19,5 °C on 20,5 °C.
in scheme: Unit of measure
notation: N69
dimension vector: L2 M1 T-2
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 sector: Heat
unit symbol: cal₂₀

stokes per pascal
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit stokes divided by the derived SI unit pascal.
in scheme: Unit of measure
notation: M80
conversion multiplier: 0.0001
dimension vector: L3 M-1 T1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: St.Pa-1
unit symbol: St/Pa

inch per year
type: Concept
definition: Unit of the length according to the Anglo-American and Imperial system of units divided by the unit common year with 365 days.
in scheme: Unit of measure
notation: M61
conversion multiplier: 8.048774304763353e-10
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [in_i].a-1
unit symbol: in/y

microsecond
type: Concept
in scheme: Unit of measure
notation: B98
conversion multiplier: 1e-06
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: us
unit symbol: µs

milliwatt
type: Concept
in scheme: Unit of measure
notation: C31
conversion multiplier: 0.001
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
rec20 sector: Mechanics
ucum code: mW
unit symbol: mW

litre per second bar
type: Concept
in scheme: Unit of measure
notation: G85
conversion multiplier: 1e-08
dimension vector: L4 M-1 T1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: L.s-1.bar-1
unit symbol: l/(s·bar)

femtometre
type: Concept
in scheme: Unit of measure
notation: A71
conversion multiplier: 1e-15
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: fm
unit symbol: fm

ampere squared second
type: Concept
in scheme: Unit of measure
notation: H32
conversion multiplier: 1.0
dimension vector: I2 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: A2.s
unit symbol: A²·s

kilogram per square metre second
type: Concept
in scheme: Unit of measure
notation: H56
conversion multiplier: 1.0
dimension vector: L-2 M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.m-2.s-1
unit symbol: kg/(m²·s)

kilogram per minute
type: Concept
in scheme: Unit of measure
notation: F31
conversion multiplier: 0.01666667
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: kg.min-1
unit symbol: kg/min

calorie (international table) per second centimetre kelvin
type: Concept
deprecated: true
in scheme: Unit of measure
notation: D71
conversion multiplier: 418.68
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: cal_IT.s-1.cm-1.K-1
unit symbol: calIT/(s·cm·K)

cubic metre per minute kelvin
type: Concept
in scheme: Unit of measure
notation: G71
conversion multiplier: 0.016666666666666666
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: m3.min-1.K-1
unit symbol: m³/(min·K)

hectopascal per bar
type: Concept
in scheme: Unit of measure
notation: E99
conversion multiplier: 0.001
dimension vector: 1
rec20 quantity: pressure ratio
rec20 sector: Mechanics
ucum code: hPa.bar-1
unit symbol: hPa/bar

foot per hour
type: Concept
in scheme: Unit of measure
notation: K14
conversion multiplier: 8.466666666666667e-05
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [ft_i].h-1
unit symbol: ft/h

Magnetic flux & field units
type: Collection
definition: Units of measure grouped by quantity kind: magnetic flux & field.
member: microhenry per metre
member: weber metre
member: kiloweber
member: henry per metre
member: unit pole
member: kiloweber per metre
member: milliweber
member: one
member: weber per millimetre
member: reciprocal henry
member: weber
member: newton square metre per ampere
member: nanohenry per metre
member: weber per metre

erg per second square centimetre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A64
rec20 quantity: sound intensity
rec20 sector: Acoustics
unit symbol: erg/(s·cm²)

nanosecond
type: Concept
in scheme: Unit of measure
notation: C47
conversion multiplier: 1e-09
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: ns
unit symbol: ns

kilopascal per metre
type: Concept
definition: 1000-fold of the derived SI unit pascal divided by the SI base unit metre.
in scheme: Unit of measure
notation: P81
conversion multiplier: 1000.0
dimension vector: L-2 M1 T-2
rec20 quantity: hardness index
rec20 sector: Miscellaneous
ucum code: kPa.m-1
unit symbol: kPa/m

ohm centimetre
type: Concept
in scheme: Unit of measure
notation: C60
conversion multiplier: 0.01
dimension vector: I-2 L3 M1 T-3
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
ucum code: Ohm.cm
unit symbol: Ω·cm

mile per hour (statute mile)
type: Concept
in scheme: Unit of measure
notation: HM
conversion multiplier: 0.44704
dimension vector: L1 T-1
rec20 quantity: velocity, phase velocity, group velocity
rec20 sector: Space and Time
ucum code: [mi_i].h-1
unit symbol: mile/h

attofarad
type: Concept
in scheme: Unit of measure
notation: H48
conversion multiplier: 1e-18
dimension vector: I2 L-2 M-1 T4
rec20 quantity: capacitance
rec20 sector: Electricity and Magnetism
ucum code: aF
unit symbol: aF

decigram
type: Concept
in scheme: Unit of measure
notation: DG
conversion multiplier: 0.0001
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
ucum code: dg
unit symbol: dg

reciprocal joule
type: Concept
definition: Reciprocal of the derived SI unit joule.
in scheme: Unit of measure
notation: N91
conversion multiplier: 1.0
dimension vector: L-2 M-1 T2
rec20 quantity: coefficient, performance characteristic
rec20 sector: Electricity and Magnetism
ucum code: /J
unit symbol: 1/J

cubic decimetre per mole
type: Concept
in scheme: Unit of measure
notation: A37
conversion multiplier: 0.001
dimension vector: N-1 L3
rec20 quantity: molar volume
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: dm3.mol-1
unit symbol: dm³/mol

reciprocal cubic centimetre
type: Concept
in scheme: Unit of measure
notation: H50
conversion multiplier: 1000000.0
dimension vector: L-3
rec20 quantity: volumic number of molecules (or particles), number density of molecules (or particles), molecular concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: cm-3
unit symbol: cm⁻³

barn
type: Concept
in scheme: Unit of measure
notation: A14
conversion multiplier: 1e-28
dimension vector: L2
rec20 quantity: total cross-section
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: b
unit symbol: b

coulomb
type: Concept
in scheme: Unit of measure
notation: COU
conversion multiplier: 1.0
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 quantity: elementary charge
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Electricity and Magnetism
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: C
unit symbol: C

pascal second per litre
type: Concept
in scheme: Unit of measure
notation: M32
conversion multiplier: 1000.0
dimension vector: L-4 M1 T-1
rec20 quantity: acoustic impedance
rec20 sector: Acoustics
ucum code: Pa.s.L-1
unit symbol: Pa·s/l

millicurie
type: Concept
in scheme: Unit of measure
notation: MCU
conversion multiplier: 37000000.0
dimension vector: T-1
rec20 quantity: activity
rec20 sector: Atomic and Nuclear Physics
ucum code: mCi
unit symbol: mCi

kilopascal per bar
type: Concept
in scheme: Unit of measure
notation: F03
conversion multiplier: 0.01
dimension vector: 1
rec20 quantity: pressure ratio
rec20 sector: Mechanics
ucum code: kPa.bar-1
unit symbol: kPa/bar

millisievert per hour
type: Concept
definition: 0,001-fold of the derived SI unit sievert divided by the unit hour.
in scheme: Unit of measure
notation: P71
conversion multiplier: 2.7777777777777776e-07
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mSv.h-1
unit symbol: mSv/h

pfund
type: Concept
definition: Outdated unit of the mass used in Germany.
in scheme: Unit of measure
notation: M86
dimension vector: M1
rec20 quantity: mass
rec20 sector: Mechanics
unit symbol: pfd

pound-force per square inch degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K86
conversion multiplier: 12410.56
dimension vector: L-1 M1 Θ-1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: [lbf_av].[sin_i]-1.[degF]-1
unit symbol: psi/°F

A unit of pressure defining the number of kilopounds force per square inch. Use kip per square inch (common code N20).
type: Concept
deprecated: true
definition: A unit of pressure defining the number of kilopounds force per square inch.
in scheme: Unit of measure
notation: 84
conversion multiplier: 6894757.89
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: k[lbf_av].[sin_i]-1
unit symbol: klbf/in²

hectare
type: Concept
deprecated: true
definition: Synonym: square hectometre
in scheme: Unit of measure
notation: HAR
conversion multiplier: 10000.0
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: har
unit symbol: ha

bar cubic metre per second
type: Concept
in scheme: Unit of measure
notation: F92
conversion multiplier: 100000.0
dimension vector: L2 M1 T-3
rec20 quantity: leakage rate of gas
rec20 sector: Mechanics
ucum code: bar.m3.s-1
unit symbol: bar·m³/s

picopascal per kilometre
type: Concept
in scheme: Unit of measure
notation: H69
conversion multiplier: 1e-15
dimension vector: L-2 M1 T-2
rec20 quantity: hardness index
rec20 sector: Miscellaneous
ucum code: pPa.km-1
unit symbol: pPa/km

cubic decametre
type: Concept
in scheme: Unit of measure
notation: DMA
conversion multiplier: 1000.0
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: dam3
unit symbol: dam³

cubic centimetre per second kelvin
type: Concept
in scheme: Unit of measure
notation: G64
conversion multiplier: 1e-06
dimension vector: L3 Θ-1 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: cm3.s-1.K-1
unit symbol: cm³/(s·K)

cubic decimetre per cubic metre
type: Concept
in scheme: Unit of measure
notation: J91
conversion multiplier: 0.001
dimension vector: 1
rec20 quantity: volume ratio
rec20 sector: Space and Time
ucum code: dm3.m-3
unit symbol: dm³/m³

ohm kilometre
type: Concept
in scheme: Unit of measure
notation: M24
conversion multiplier: 1000.0
dimension vector: I-2 L3 M1 T-3
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
ucum code: Ohm.km
unit symbol: Ω·km

kilojoule per kelvin
type: Concept
in scheme: Unit of measure
notation: B41
conversion multiplier: 1000.0
dimension vector: L2 M1 Θ-1 T-2
rec20 quantity: heat capacity, entropy
rec20 sector: Heat
ucum code: kJ.K-1
unit symbol: kJ/K

kilobecquerel per kilogram
type: Concept
in scheme: Unit of measure
notation: B25
conversion multiplier: 1000.0
dimension vector: M-1 T-1
rec20 quantity: specific activity in a sample
rec20 sector: Atomic and Nuclear Physics
ucum code: kBq.kg-1
unit symbol: kBq/kg

cubic metre per kelvin
type: Concept
in scheme: Unit of measure
notation: G29
conversion multiplier: 1.0
dimension vector: L3 Θ-1
rec20 quantity: volume per temperature
rec20 sector: Space and Time
ucum code: m3.K-1
unit symbol: m³/K

cubic foot per minute per square foot
type: Concept
deprecated: true
definition: Conversion factor required
in scheme: Unit of measure
notation: 36
conversion multiplier: 0.00508
dimension vector: L1 T-1
rec20 quantity: porosity
rec20 sector: Miscellaneous
ucum code: [cft_i].min-1.[sft_i]-1
unit symbol: ft³/(min/ft²)

cubic metre per second square metre
type: Concept
definition: Unit of volume flow cubic meters by second related to the transmission surface in square metres.
in scheme: Unit of measure
notation: P87
conversion multiplier: 1.0
dimension vector: L1 T-1
rec20 quantity: porosity
rec20 sector: Miscellaneous
ucum code: m3.s-1.m-2
unit symbol: (m³/s)/m²

kilomole per cubic metre
type: Concept
in scheme: Unit of measure
notation: B46
conversion multiplier: 1000.0
dimension vector: N1 L-3
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kmol.m-3
unit symbol: kmol/m³

dyne
type: Concept
deprecated: true
in scheme: Unit of measure
notation: DU
conversion multiplier: 1e-05
dimension vector: L1 M1 T-2
rec20 quantity: force, weight
rec20 sector: Mechanics
ucum code: dyn
unit symbol: dyn

gram per second
type: Concept
in scheme: Unit of measure
notation: F29
conversion multiplier: 0.001
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.s-1
unit symbol: g/s

ounce (US fluid) per day
type: Concept
in scheme: Unit of measure
notation: J99
conversion multiplier: 3.42286e-10
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [foz_us].d-1
unit symbol: fl oz (US)/d

watt hour
type: Concept
in scheme: Unit of measure
notation: WHR
conversion multiplier: 3600.0
dimension vector: L2 M1 T-2
rec20 quantity: active energy
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Electricity and Magnetism
rec20 sector: Mechanics
ucum code: W.h
unit symbol: W·h

picocoulomb
type: Concept
in scheme: Unit of measure
notation: C71
conversion multiplier: 1e-12
dimension vector: I1 T1
rec20 quantity: electric charge, quantity of electricity, electric flux (flux of displacement)
rec20 sector: Electricity and Magnetism
ucum code: pC
unit symbol: pC

square decametre
type: Concept
definition: Synonym: are
in scheme: Unit of measure
notation: H16
rec20 quantity: area
rec20 sector: Space and Time
unit symbol: dam²

gallon (UK) per second
type: Concept
in scheme: Unit of measure
notation: K28
conversion multiplier: 0.00454609
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gal_br].s-1
unit symbol: gal (UK)/s

are
type: Concept
deprecated: true
definition: Synonym: square decametre
in scheme: Unit of measure
notation: ARE
conversion multiplier: 100.0
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: ar
unit symbol: a

inch of mercury (32 ºF)
type: Concept
definition: Non SI-conforming unit of pressure according to the Anglo-American and Imperial system for units, whereas the value of 1 inHg meets the static pressure, which is generated by a mercury at a temperature of 32°F with a height of 1 inch.
in scheme: Unit of measure
notation: N16
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
unit symbol: inHG (32 ºF)

kelvin
type: Concept
definition: Refer ISO 80000-5 (Quantities and units — Part 5: Thermodynamics)
in scheme: Unit of measure
notation: KEL
conversion multiplier: 1.0
dimension vector: Θ1
rec20 quantity: Debye temperature, Curie temperature, Néel temperature, Fermi temperature, Super conductor transition temperature
rec20 quantity: thermodynamic
rec20 sector: Solid State Physics
rec20 sector: Heat
ucum code: K
unit symbol: K

centimetre per kelvin
type: Concept
in scheme: Unit of measure
notation: F51
conversion multiplier: 0.01
dimension vector: L1 Θ-1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: cm.K-1
unit symbol: cm/K

microsiemens per metre
type: Concept
in scheme: Unit of measure
notation: G43
conversion multiplier: 1e-06
dimension vector: I2 L-3 M-1 T3
rec20 quantity: conductance (for direct current), admittance, (complex admittance), modulus of admittance,(admittance), conductance (for alternating current)
rec20 sector: Electricity and Magnetism
ucum code: uS.m-1
unit symbol: µS/m

kilometre
type: Concept
in scheme: Unit of measure
notation: KMT
conversion multiplier: 1000.0
dimension vector: L1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: km
unit symbol: km

dyne second per centimetre to the fifth power
type: Concept
deprecated: true
in scheme: Unit of measure
notation: A52
conversion multiplier: 100000.0
dimension vector: L-4 M1 T-1
rec20 quantity: acoustic impedance
rec20 sector: Acoustics
ucum code: dyn.s.cm-5
unit symbol: dyn·s/cm⁵

shake
type: Concept
definition: Unit for a very short period.
in scheme: Unit of measure
notation: M56
conversion multiplier: 1e-08
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: 10.ns
unit symbol: shake

pound (avoirdupois) per second degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K82
conversion multiplier: 0.8164663
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lb_av].s-1.[degF]-1
unit symbol: (lb/s)/°F

hertz
type: Concept
in scheme: Unit of measure
notation: HTZ
conversion multiplier: 1.0
dimension vector: T-1
rec20 quantity: frequency
rec20 sector: Acoustics
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Periodic and related phenomena
ucum code: Hz
unit symbol: Hz

reciprocal degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: J26
conversion multiplier: 1.7999999999999998
dimension vector: Θ-1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: /[degF]
unit symbol: 1/°F

cubic metre per bar
type: Concept
in scheme: Unit of measure
notation: G96
conversion multiplier: 1e-05
dimension vector: L4 M-1 T2
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: m3.bar-1
unit symbol: m³/bar

decinewton metre
type: Concept
in scheme: Unit of measure
notation: DN
conversion multiplier: 0.1
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: dN.m
unit symbol: dN·m

kilolitre per hour
type: Concept
in scheme: Unit of measure
notation: 4X
conversion multiplier: 0.0002777777777777778
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: kL.h-1
unit symbol: kl/h

pound-force inch
type: Concept
in scheme: Unit of measure
notation: F21
conversion multiplier: 0.112984839
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: [lbf_av].[in_i]
unit symbol: lbf·in

gamma
type: Concept
definition: Unit of magnetic flow density.
in scheme: Unit of measure
notation: P12
conversion multiplier: 1e-09
dimension vector: I-1 M1 T-2
rec20 quantity: magnetic flux density, magnetic induction, magnetic polarization
rec20 sector: Electricity and Magnetism
unit symbol: γ

sidereal year
type: Concept
in scheme: Unit of measure
notation: L96
conversion multiplier: 31558149.7632
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
unit symbol: y (sidereal)

foot per degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K13
conversion multiplier: 0.54864
dimension vector: L1 Θ-1
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 sector: Space and Time
ucum code: [ft_i].[lbf_av].[degF]
unit symbol: ft/°F

pound (avoirdupois) per cubic foot degree Fahrenheit
type: Concept
in scheme: Unit of measure
notation: K69
conversion multiplier: 28.83323
dimension vector: L-3 M1 Θ-1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i]-3.[degF]-1
unit symbol: (lb/ft³)/°F

reciprocal second per steradian metre squared
type: Concept
in scheme: Unit of measure
notation: D2
conversion multiplier: 1.0
dimension vector: L-2 T-1
rec20 quantity: photon luminance, photon radiance
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: s-1.sr-1.m-2
unit symbol: s⁻¹/(sr·m²)

millinewton per metre
type: Concept
in scheme: Unit of measure
notation: C22
conversion multiplier: 0.001
dimension vector: M1 T-2
rec20 quantity: surface tension
rec20 sector: Mechanics
ucum code: mN.m-1
unit symbol: mN/m

conventional centimetre of water
type: Concept
deprecated: true
in scheme: Unit of measure
notation: H78
conversion multiplier: 98.0665
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: cm[H2O]
unit symbol: cm H₂O

kilogram per mole
type: Concept
in scheme: Unit of measure
notation: D74
conversion multiplier: 1.0
dimension vector: N-1 M1
rec20 quantity: molar mass
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kg.mol-1
unit symbol: kg/mol

mole per litre kelvin
type: Concept
in scheme: Unit of measure
notation: L26
conversion multiplier: 1000.0
dimension vector: N1 L-3 Θ-1
rec20 quantity: volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: mol.L-1.K-1
unit symbol: (mol/l)/K

gram per day bar
type: Concept
in scheme: Unit of measure
notation: F62
conversion multiplier: 1.1574074074074073e-13
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.d-1.bar-1
unit symbol: g/(d·bar)

kilowatt per metre kelvin
type: Concept
definition: 1000-fold of the derived SI unit watt divided by the product of the SI base unit metre and the SI base unit kelvin.
in scheme: Unit of measure
notation: N81
conversion multiplier: 1000.0
dimension vector: L1 M1 Θ-1 T-3
rec20 quantity: thermal conductivity
rec20 sector: Heat
ucum code: kW.m-1.K-1
unit symbol: kW/(m·K)

pascal square metre per kilogram
type: Concept
definition: Unit of the burst index as derived unit for pressure pascal related to the substance, represented as a quotient from the SI base unit kilogram divided by the power of the SI base unit metre by exponent 2.
in scheme: Unit of measure
notation: P79
conversion multiplier: 1.0
dimension vector: L1 T-2
rec20 quantity: burst index
rec20 sector: Miscellaneous
ucum code: Pa.m2.kg-1
unit symbol: Pa/(kg/m²)

month
type: Concept
definition: Unit of time equal to 1/12 of a year of 365,25 days.
in scheme: Unit of measure
notation: MON
conversion multiplier: 2551442.976
dimension vector: T1
rec20 quantity: time
rec20 sector: Space and Time
ucum code: mo
unit symbol: mo

roentgen per second
type: Concept
in scheme: Unit of measure
notation: D6
conversion multiplier: 0.000258
dimension vector: I1 M-1
rec20 quantity: exposure rate
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: R.s-1
unit symbol: R/s

Imperial gallon per minute
type: Concept
in scheme: Unit of measure
notation: G3
conversion multiplier: 7.576817e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [gal_br].m-1
unit symbol: gal (UK) /min

cubic metre per cubic metre
type: Concept
in scheme: Unit of measure
notation: H60
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: volume ratio
rec20 sector: Mechanics
ucum code: m3.m-3
unit symbol: m³/m³

megacoulomb per cubic metre
type: Concept
in scheme: Unit of measure
notation: B69
conversion multiplier: 1000000.0
dimension vector: I1 L-3 T1
rec20 quantity: volume density of charge, charge density, volumic charge
rec20 sector: Electricity and Magnetism
ucum code: MC.m-3
unit symbol: MC/m³

ounce (avoirdupois)-force inch
type: Concept
in scheme: Unit of measure
notation: L41
conversion multiplier: 0.007061552425
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 sector: Mechanics
ucum code: [ozf_av].[in_i]
unit symbol: ozf·in

reciprocal hour
type: Concept
in scheme: Unit of measure
notation: H10
conversion multiplier: 0.0002777777777777778
dimension vector: T-1
rec20 quantity: frequency
rec20 sector: Periodic and related phenomena
ucum code: /h
unit symbol: 1/h

pound per foot minute
type: Concept
definition: Unit of the dynamic viscosity according to the Anglo-American unit system.
in scheme: Unit of measure
notation: N43
conversion multiplier: 0.024802732392825898
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i]-1.min-1
unit symbol: lb/(ft·min)

millihenry
type: Concept
in scheme: Unit of measure
notation: C14
conversion multiplier: 0.001
dimension vector: I-2 L2 M1 T-2
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: mH
unit symbol: mH

nanowatt
type: Concept
in scheme: Unit of measure
notation: C49
conversion multiplier: 1e-09
dimension vector: L2 M1 T-3
rec20 quantity: power (for direct current), active power
rec20 sector: Electricity and Magnetism
ucum code: nW
unit symbol: nW

milligram per second bar
type: Concept
in scheme: Unit of measure
notation: F73
conversion multiplier: 1e-11
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: mg.s-1.bar-1
unit symbol: mg/(s·bar)

cubic millimetre
type: Concept
in scheme: Unit of measure
notation: MMQ
conversion multiplier: 1e-09
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: mm3
unit symbol: mm³

pascal second per kelvin
type: Concept
in scheme: Unit of measure
notation: F77
conversion multiplier: 1.0
dimension vector: L-1 M1 Θ-1 T-1
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: Pa.s.K-1
unit symbol: Pa.s/K

weber per millimetre
type: Concept
in scheme: Unit of measure
notation: D60
conversion multiplier: 1000.0
dimension vector: I-1 L1 M1 T-2
rec20 quantity: magnetic vector potential
rec20 sector: Electricity and Magnetism
ucum code: Wb.mm-1
unit symbol: Wb/mm

degree Celsius per hour
type: Concept
in scheme: Unit of measure
notation: H12
conversion multiplier: 0.0002777777777777778
dimension vector: Θ1 T-1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: Cel.h-1
unit symbol: °C/h

gram per hour
type: Concept
in scheme: Unit of measure
notation: F27
conversion multiplier: 2.777778e-07
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: g.h-1
unit symbol: g/h

Mass units
type: Collection
definition: Units of measure grouped by quantity kind: mass.
member: grain
member: hundred pound (cwt) / hundred weight (US)
member: decitonne
member: ounce (avoirdupois)
member: slug
member: pfund
member: unified atomic mass unit
member: tonne (metric ton)
member: ton, assay
member: kilogram per square metre
member: kilogram per mole
member: decigram
member: ton (UK) or long ton (US)
member: tonne per kelvin
member: microgram
member: one
member: stone (UK)
member: kilogram
member: hectogram
member: kilotonne
member: pound
member: ton (US) or short ton (UK/US)
member: centigram
member: milligram
member: megagram
member: gram
member: hundred weight (UK)
member: troy ounce or apothecary ounce
member: decagram
member: pound (avoirdupois) per degree Fahrenheit
member: gram per mole
member: ton short per degree Fahrenheit

microradian
type: Concept
in scheme: Unit of measure
notation: B97
conversion multiplier: 1e-06
dimension vector: 1
rec20 quantity: angle (plane)
rec20 sector: Space and Time
ucum code: urad
unit symbol: µrad

grain per gallon (US)
type: Concept
in scheme: Unit of measure
notation: K41
conversion multiplier: 0.017118061
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [gr].[gal_br]-1
unit symbol: gr/gal (US)

ounce (US fluid) per minute
type: Concept
in scheme: Unit of measure
notation: K11
conversion multiplier: 4.92892e-07
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [foz_us].min-1
unit symbol: fl oz (US)/min

kilogram-force per square millimetre
type: Concept
in scheme: Unit of measure
notation: E41
conversion multiplier: 9806650.0
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: kgf.mm-2
unit symbol: kgf·m/cm²

pound per foot hour
type: Concept
in scheme: Unit of measure
notation: K67
conversion multiplier: 0.0004133788732137649
dimension vector: L-1 M1 T-1
rec20 quantity: viscosity (dynamic viscosity)
rec20 sector: Mechanics
ucum code: [lb_av].[ft_i]-1.h-1
unit symbol: lb/(ft·h)

bushel (UK) per hour
type: Concept
in scheme: Unit of measure
notation: J65
conversion multiplier: 1.010242e-05
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [bu_br].h-1
unit symbol: bu (UK)/h

calorie (thermochemical) per minute
type: Concept
in scheme: Unit of measure
notation: J81
conversion multiplier: 0.06973
dimension vector: L2 M1 T-3
rec20 quantity: heat flow rate
rec20 sector: Heat
ucum code: cal_th.min-1
unit symbol: calth/min

foot of water (39.2 ºF)
type: Concept
definition: Non SI-conforming unit of pressure according to the Anglo-American and Imperial system for units, whereas the value of 1 ftH2O is equivalent to the static pressure, which is generated by a head of water at a temperature 39,2°F with a height of 1 foot .
in scheme: Unit of measure
notation: N15
dimension vector: L-1 M1 T-2
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
unit symbol: ftH₂O (39,2 ºF)

pound (avoirdupois) per gallon (UK)
type: Concept
in scheme: Unit of measure
notation: K71
conversion multiplier: 99.7763727
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lb_av].[gal_br]-1
unit symbol: lb/gal (UK)

attojoule
type: Concept
in scheme: Unit of measure
notation: A13
conversion multiplier: 1e-18
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 quantity: donor ionization energy, acceptor ionization energy, exchange intergral, superconductor energy gap, electron affinity
rec20 sector: Solid State Physics
rec20 sector: Mechanics
ucum code: aJ
unit symbol: aJ

volt per centimetre
type: Concept
in scheme: Unit of measure
notation: D47
conversion multiplier: 100.0
dimension vector: I-1 L1 M1 T-3
rec20 quantity: electric field strength
rec20 sector: Electricity and Magnetism
ucum code: V.cm-1
unit symbol: V/cm

kilogram per litre bar
type: Concept
in scheme: Unit of measure
notation: G17
conversion multiplier: 0.01
dimension vector: L-2 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: kg.L-1.bar-1
unit symbol: kg/(l·bar)

barrel (UK petroleum)
type: Concept
in scheme: Unit of measure
notation: J57
conversion multiplier: 0.1591132
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
unit symbol: bbl (UK liq.)

microhenry per kiloohm
type: Concept
in scheme: Unit of measure
notation: G98
conversion multiplier: 1e-09
dimension vector: T1
rec20 quantity: self inductance, mutual inductance, permeance
rec20 sector: Electricity and Magnetism
ucum code: uH.kOhm-1
unit symbol: µH/kΩ

millilitre per day
type: Concept
in scheme: Unit of measure
notation: G54
conversion multiplier: 1.157407e-11
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: mL.d-1
unit symbol: ml/d

stokes per kelvin
type: Concept
in scheme: Unit of measure
notation: G10
conversion multiplier: 0.0001
dimension vector: L2 Θ-1 T-1
rec20 quantity: kinematic viscosity
rec20 sector: Mechanics
ucum code: St.K-1
unit symbol: St/K

sievert per second
type: Concept
definition: Derived SI unit sievert divided by the SI base unit second.
in scheme: Unit of measure
notation: P65
conversion multiplier: 1.0
dimension vector: L2 T-3
rec20 quantity: equivalence dose output
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: Sv.s-1
unit symbol: Sv/s

calorie (thermochemical) per gram
type: Concept
deprecated: true
in scheme: Unit of measure
notation: B36
conversion multiplier: 4184.0
dimension vector: L2 T-2
rec20 quantity: specific Helmholtz function, massic Gibbs free energy, specific Gibbs free energy
rec20 sector: Heat
ucum code: cal_th.g-1
unit symbol: calth/g

microvolt
type: Concept
in scheme: Unit of measure
notation: D82
conversion multiplier: 1e-06
dimension vector: I-1 L2 M1 T-3
rec20 quantity: electric potential, potential difference, tension, voltage, electromotive force
rec20 sector: Electricity and Magnetism
ucum code: uV
unit symbol: µV

biot
type: Concept
definition: CGS (Centimetre-Gram-Second system) unit of the electric power which is defined by a force of 2 dyn per cm between two parallel conductors of infinite length with negligible cross-section in the distance of 1 cm.
in scheme: Unit of measure
notation: N96
conversion multiplier: 10.0
dimension vector: I1
rec20 quantity: electric current, magnetic potential difference, magnetomotive force,current linkage
rec20 sector: Electricity and Magnetism
ucum code: Bi
unit symbol: Bi

kelvin per hour
type: Concept
in scheme: Unit of measure
notation: F10
conversion multiplier: 0.0002777777777777778
dimension vector: Θ1 T-1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: K.h-1
unit symbol: K/h

barrel (US petroleum) per second
type: Concept
in scheme: Unit of measure
notation: J63
conversion multiplier: 0.6931471805599453
dimension vector: 1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: bit
unit symbol: bbl (US)/s

litre
type: Concept
in scheme: Unit of measure
notation: LTR
conversion multiplier: 0.001
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: L
unit symbol: l

milliohm metre
type: Concept
in scheme: Unit of measure
notation: C23
conversion multiplier: 0.001
dimension vector: I-2 L3 M1 T-3
rec20 quantity: resistivity
rec20 sector: Electricity and Magnetism
ucum code: m.mOhm
unit symbol: mΩ·m

gram centimetre per second
type: Concept
definition: Product of the 0,001-fold of the SI base unit kilogram and the 0,01-fold of the SI base unit metre divided by the SI base unit second.
in scheme: Unit of measure
notation: M99
conversion multiplier: 1e-05
dimension vector: L1 M1 T-1
rec20 quantity: momentum
rec20 sector: Mechanics
ucum code: g.cm.s-1
unit symbol: g·(cm/s)

pound per cubic inch
type: Concept
in scheme: Unit of measure
notation: LA
conversion multiplier: 27679.904710203125
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [lb_av].[cin_i]-1
unit symbol: lb/in³

gram per cubic centimetre
type: Concept
in scheme: Unit of measure
notation: 23
conversion multiplier: 1000.0
dimension vector: L-3 M1
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: g.cm-3
unit symbol: g/cm³

cubic yard per day
type: Concept
in scheme: Unit of measure
notation: M12
conversion multiplier: 8.84901456e-06
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [cyd_i].d-1
unit symbol: yd³/d

watt per metre
type: Concept
in scheme: Unit of measure
notation: H74
conversion multiplier: 1.0
dimension vector: L1 M1 T-3
rec20 quantity: radiant energy, fluence rate, radiant exitance, irradiance, first radiation constant
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: W.m-1
unit symbol: W/m

micromole
type: Concept
in scheme: Unit of measure
notation: FH
conversion multiplier: 1e-06
dimension vector: N1
rec20 quantity: amount of substance
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: umol
unit symbol: µmol

Pferdestaerke
type: Concept
definition: Obsolete unit of the power relating to DIN 1301-3:1979: 1 PS = 735,498 75 W.
in scheme: Unit of measure
notation: N12
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 sector: Mechanics
unit symbol: PS

tonne per minute kelvin
type: Concept
in scheme: Unit of measure
notation: L79
conversion multiplier: 16.666666666666668
dimension vector: M1 Θ-1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: t.min-1.K-1
unit symbol: (t/min)/K

joule per square metre
type: Concept
definition: Synonym: joule per metre squared
in scheme: Unit of measure
notation: B13
conversion multiplier: 1.0
dimension vector: M1 T-2
rec20 quantity: energy fluence
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: J.m-2
unit symbol: J/m²

psi litre per second
type: Concept
in scheme: Unit of measure
notation: K88
conversion multiplier: 6.894757
dimension vector: L2 M1 T-3
rec20 quantity: leakage rate of gas
rec20 sector: Mechanics
ucum code: [psi].L.s-1
unit symbol: psi·l/s

metre per volt second
type: Concept
in scheme: Unit of measure
notation: H58
conversion multiplier: 1.0
dimension vector: I1 L-1 M-1 T2
rec20 quantity: mobility
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: m.V-1.s-1
unit symbol: m/(V·s)

second [unit of angle]
type: Concept
in scheme: Unit of measure
notation: D62
conversion multiplier: 4.84813681e-06
dimension vector: 1
rec20 quantity: angle (plane)
rec20 sector: Space and Time
ucum code: ''
unit symbol: "

gigahertz metre
type: Concept
in scheme: Unit of measure
notation: M18
conversion multiplier: 1000000000.0
dimension vector: L1 T-1
rec20 quantity: coefficient, performance characteristic
rec20 sector: Electricity and Magnetism
ucum code: GHz.m
unit symbol: GHz·m

Length, distance units
type: Collection
definition: Units of measure grouped by quantity kind: length, distance.
member: milli-inch
member: metre per kelvin
member: micrometre (micron)
member: kilometre
member: nanometre
member: foot (U.S. survey)
member: millimetre per bar
member: gram millimetre
member: metre per bar
member: yard
member: centimetre per bar
member: inch
member: angstrom
member: foot per degree Fahrenheit
member: centimetre
member: fathom
member: foot
member: metre per pascal
member: parsec
member: megametre
member: micrometre per kelvin
member: hectometre
member: femtometre
member: chain (based on U.S. survey foot)
member: gigaohm per metre
member: yard per degree Fahrenheit
member: rod [unit of distance]
member: yard per psi
member: nautical mile
member: inch per degree Fahrenheit
member: micro-inch
member: foot per psi
member: inch per psi
member: decametre
member: decimetre
member: Gunter's chain
member: astronomical unit
member: metre
member: light year
member: american wire gauge
member: mile (based on U.S. survey foot)
member: centimetre per kelvin
member: picometre
member: French gauge
member: millimetre
member: furlong
member: mile (statute mile)

water horse power
type: Concept
definition: A unit of power defining the amount of power required to move a given volume of water against acceleration of gravity to a specified elevation (pressure head).
in scheme: Unit of measure
notation: F80
conversion multiplier: 746.043
dimension vector: L2 M1 T-3
rec20 quantity: power
rec20 sector: Mechanics

milliohm
type: Concept
in scheme: Unit of measure
notation: E45
conversion multiplier: 0.001
dimension vector: I-2 L2 M1 T-3
rec20 quantity: resistance (to direct current), impedance, (complex impedances), modulus of impedance, resistance (to alternating current), reactance
rec20 sector: Electricity and Magnetism
ucum code: mOhm
unit symbol: mΩ

ton short per psi
type: Concept
in scheme: Unit of measure
notation: L91
conversion multiplier: 0.13157601648947936
dimension vector: L1 T2
rec20 quantity: density, mass density, volumic mass
rec20 sector: Mechanics
ucum code: [ston_av].[psi]-1
unit symbol: ton (US)/psi

megawatt hour (1000 kW.h)
type: Concept
definition: A unit of power defining the total amount of bulk energy transferred or consumed.
in scheme: Unit of measure
notation: MWH
conversion multiplier: 3600000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: MW.h
unit symbol: MW·h

pascal second per bar
type: Concept
in scheme: Unit of measure
notation: H07
conversion multiplier: 1e-05
dimension vector: T1
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: Pa.s.bar-1
unit symbol: Pa·s/bar

megahertz kilometre
type: Concept
in scheme: Unit of measure
notation: H39
conversion multiplier: 1000000.0
dimension vector: L1 T-1
rec20 quantity: coefficient, performance characteristic
rec20 sector: Electricity and Magnetism
ucum code: MHz.m
unit symbol: MHz·km

degree Fahrenheit hour square foot per British thermal unit (international table)
type: Concept
in scheme: Unit of measure
notation: J22
conversion multiplier: 0.17611018368230585
dimension vector: M-1 Θ1 T3
rec20 quantity: thermal insulance, coefficient of thermal insulation
rec20 sector: Heat
ucum code: [degF].h-1.[ft_i]-2.[Btu_IT]-1
unit symbol: °F·h·ft²/BtuIT

Radiation, dose & activity units
type: Collection
definition: Units of measure grouped by quantity kind: radiation, dose & activity.
member: millicoulomb per kilogram
member: kilomole per second
member: microbecquerel
member: microgray per hour
member: milliroentgen aequivalent men
member: square centimetre per steradian erg
member: reciprocal metre
member: becquerel per cubic metre
member: millisievert
member: reciprocal metre squared reciprocal second
member: nanosievert per hour
member: millisievert per second
member: pound mole per second
member: square centimetre per erg
member: microgray per second
member: rad
member: roentgen
member: square metre per steradian joule
member: second per cubic metre
member: katal
member: sievert per minute
member: lux second
member: nanosievert per second
member: coulomb per kilogram second
member: square metre per joule
member: roentgen per second
member: lux hour
member: square metre
member: coulomb square metre per kilogram
member: millisievert per hour
member: millicurie
member: pound mole per minute
member: erg per gram
member: nanogray per minute
member: gray per second
member: nanogray per hour
member: microsievert per hour
member: sievert
member: gray per hour
member: rem
member: kilocurie
member: one
member: microgray per minute
member: square metre per steradian
member: reciprocal square inch
member: sievert per second
member: nanosievert per minute
member: curie per kilogram
member: milligray per minute
member: milligray per hour
member: kilobecquerel per kilogram
member: becquerel per kilogram
member: becquerel
member: gray per minute
member: microsievert per second
member: erg per gram second
member: milligray per second
member: reciprocal square metre
member: watt per steradian square metre
member: gigabecquerel
member: megabecquerel per kilogram
member: nanogray per second
member: barn
member: kiloroentgen
member: curie
member: microsievert per minute
member: barn per electronvolt
member: coulomb per kilogram
member: rem per second
member: megabecquerel
member: barn per steradian electronvolt
member: sievert per hour
member: milliroentgen
member: kilobecquerel
member: microcurie
member: millisievert per minute
member: barn per steradian

fluid ounce (UK)
type: Concept
in scheme: Unit of measure
notation: OZI
conversion multiplier: 2.84130625e-05
dimension vector: L3
rec20 quantity: volume
rec20 sector: Space and Time
ucum code: [foz_br]
unit symbol: fl oz (UK)

pound (avoirdupois) per minute psi
type: Concept
in scheme: Unit of measure
notation: K80
conversion multiplier: 1.0964668040789946e-06
dimension vector: L1 T1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lb_av].min-1.[psi]-1
unit symbol: (lb/min)/psi

gon
type: Concept
alternative label: grade
definition: Synonym: grade
in scheme: Unit of measure
notation: A91
conversion multiplier: 0.015707963267949
dimension vector: 1
rec20 quantity: angle (plane)
rec20 sector: Space and Time
ucum code: gon
unit symbol: gon

pint (UK) per day
type: Concept
in scheme: Unit of measure
notation: L53
conversion multiplier: 6.577098e-09
dimension vector: L3 T-1
rec20 quantity: volume flow rate
rec20 sector: Mechanics
ucum code: [pt_br].d
unit symbol: pt (UK)/d

Standard cubic metre
type: Concept
definition: Standard cubic metre (temperature 15°C and pressure 101325 millibars )
in scheme: Unit of measure
notation: SM3
rec20 quantity: volume
rec20 sector: Space and Time

ampere
type: Concept
in scheme: Unit of measure
notation: AMP
conversion multiplier: 1.0
dimension vector: I1
rec20 quantity: electric current, magnetic potential difference, magnetomotive force,current linkage
rec20 sector: Electricity and Magnetism
ucum code: A
unit symbol: A

reciprocal second per cubic metre
type: Concept
deprecated: true
in scheme: Unit of measure
notation: C98
conversion multiplier: 1.0
dimension vector: L-3 T-1
rec20 quantity: neutron source density
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: s-1.m-3
unit symbol: s⁻¹/m³

megaampere per square metre
type: Concept
in scheme: Unit of measure
notation: B66
conversion multiplier: 1000000.0
dimension vector: I1 L-2
rec20 quantity: current density
rec20 sector: Electricity and Magnetism
ucum code: MA.m-2
unit symbol: MA/m²

slug per day
type: Concept
in scheme: Unit of measure
notation: L63
conversion multiplier: 0.00016891087963
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
unit symbol: slug/d

Normalized cubic metre per hour
type: Concept
definition: Normalized cubic metre (temperature 0°C and pressure 101325 millibars ) per hour
in scheme: Unit of measure
notation: Q40
rec20 quantity: volume flow rate
rec20 sector: Mechanics

pound (avoirdupois) per second
type: Concept
in scheme: Unit of measure
notation: K81
conversion multiplier: 0.4535924
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
ucum code: [lb_av].s-1
unit symbol: lb/s

revolution per minute
type: Concept
definition: Unit of the angular velocity.
in scheme: Unit of measure
notation: M46
conversion multiplier: 0.10471975516666666
dimension vector: T-1
rec20 quantity: angular velocity
rec20 sector: Space and Time
ucum code: {#}.min-1
unit symbol: r/min

kilojoule per mole
type: Concept
in scheme: Unit of measure
notation: B44
conversion multiplier: 1000.0
dimension vector: N-1 L2 M1 T-2
rec20 quantity: molar thermodynamic energy
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kJ.mol-1
unit symbol: kJ/mol

coulomb square metre per kilogram
type: Concept
in scheme: Unit of measure
notation: J53
conversion multiplier: 1.0
dimension vector: I1 L2 M-1 T1
rec20 quantity: exposure
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: C.m2.kg-1
unit symbol: C·m²/kg

reciprocal angstrom
type: Concept
in scheme: Unit of measure
notation: C85
conversion multiplier: 10000000000.0
dimension vector: L-1
rec20 quantity: Fermi angular repetency, Fermi angular wave number
rec20 sector: Solid State Physics
ucum code: /Ao
unit symbol: Å⁻¹

kilocurie
type: Concept
in scheme: Unit of measure
notation: 2R
conversion multiplier: 37000000000000.0
dimension vector: T-1
rec20 quantity: activity
rec20 sector: Atomic and Nuclear Physics
ucum code: kCi
unit symbol: kCi

megacoulomb per square metre
type: Concept
in scheme: Unit of measure
notation: B70
conversion multiplier: 1000000.0
dimension vector: I1 L-2 T1
rec20 quantity: surface density of charge, electric flux density, displacement electric polarization
rec20 sector: Electricity and Magnetism
ucum code: MC.m-2
unit symbol: MC/m²

kelvin per second
type: Concept
in scheme: Unit of measure
notation: F12
conversion multiplier: 1.0
dimension vector: Θ1 T-1
rec20 quantity: temperature
rec20 sector: Heat
ucum code: K.s-1
unit symbol: K/s

radian square metre per mole
type: Concept
in scheme: Unit of measure
notation: C82
conversion multiplier: 1.0
dimension vector: N-1 L2
rec20 quantity: molar optical rotatory power
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: rad.m2.mol-1
unit symbol: rad·m²/mol

pound mole
type: Concept
definition: Non SI-conforming unit of quantity of a substance relating that one pound mole of a chemical composition corresponds to the same number of pounds as the molecular weight of one molecule of this composition in atomic mass units.
in scheme: Unit of measure
notation: P44
conversion multiplier: 453.59237
dimension vector: N1
rec20 quantity: amount of substance
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: [mol_lb]
unit symbol: lbmol

millibar cubic metre per second
type: Concept
in scheme: Unit of measure
notation: F96
conversion multiplier: 100.0
dimension vector: L2 M1 T-3
rec20 quantity: pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
rec20 sector: Mechanics
ucum code: mbar.m3.s-1
unit symbol: mbar·m³/s

slug per second
type: Concept
in scheme: Unit of measure
notation: L68
conversion multiplier: 14.593903
dimension vector: M1 T-1
rec20 quantity: mass flow rate
rec20 sector: Mechanics
unit symbol: slug/s

revolutions per minute
type: Concept
definition: Refer ISO/TC12 SI Guide
in scheme: Unit of measure
notation: RPM
conversion multiplier: 0.10471975516666666
dimension vector: T-1
rec20 quantity: rotational frequency
rec20 sector: Periodic and related phenomena
ucum code: {#}.min-1
unit symbol: r/min

nanofarad per metre
type: Concept
in scheme: Unit of measure
notation: C42
conversion multiplier: 1e-09
dimension vector: I2 L-3 M-1 T4
rec20 quantity: permittivity, permittivity of vacuum, (electric constant)
rec20 sector: Electricity and Magnetism
ucum code: nF.m-1
unit symbol: nF/m

metre
type: Concept
in scheme: Unit of measure
notation: MTR
conversion multiplier: 1.0
dimension vector: L1
rec20 quantity: lattice vector, fundamental lattice vector
rec20 quantity: mean free path
rec20 quantity: nuclear radius, electron radius, Compton wavelength
rec20 quantity: (instantaneous) sound particle displacement
rec20 quantity: Bohr radius
rec20 quantity: particle position vector, equilibrium position vector of ion or atom, displacement vector of ion or atom
rec20 quantity: mean linear range, mean free path
rec20 quantity: half-thickness, half-value thickness
rec20 quantity: diffusion coefficient for neutron fluence rate, (diffusion coefficient for neutron flux density)
rec20 quantity: wavelength
rec20 quantity: length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
rec20 quantity: mean free path of phonons or electrons, London penetration depth, coherence length, diffusion length
rec20 quantity: object distance, image distance, focal distance
rec20 quantity: slowing-down length, diffusion length, migration length
rec20 sector: Physical Chemistry and Molecular Physics
rec20 sector: Space and Time
rec20 sector: Acoustics
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Periodic and related phenomena
rec20 sector: Solid State Physics
rec20 sector: Atomic and Nuclear Physics
ucum code: m
unit symbol: m