microhenry
self inductance, mutual inductance, permeance
Electricity and Magnetism
volt per bar
electric field strength
ounce foot
moment of force, moment of a couple, torque
Mechanics
newton per square millimetre
pressure, normal stress, shear stress, modulus of elasticity,shear modulus, modulus of rigidity, bulk modulus, modulus of compression
nautical mile
length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
Space and Time
Quotient from the 1000-fold of the derived SI unit joule divided by the unit day.
kilojoule per day
power (for direct current), active power
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 .
poundal foot
milliwatt per square metre
sound intensity
Acoustics
conventional millimetre of water
pint (UK) per hour
volume flow rate
gram per bar
density, mass density, volumic mass
gram per cubic centimetre bar
gram per millilitre bar
bushel (UK) per second
reciprocal second
damping coefficient
rotational frequency
circular frequency
Debye angular frequency
photon flux
Larmor angular frequency
angular frequency, pulsatance
decay constant, disintegration constant
Light and Related Electromagnetic Radiations
Atomic and Nuclear Physics
Periodic and related phenomena
Solid State Physics
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 .
psi per inch
hardness index
Miscellaneous
millinewton metre
ton (US shipping)
volume
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.
mol per cubic metre pascal
volumic mass, mass density, density, mass concentration of B, amount of substance, concentration of B
Physical Chemistry and Molecular Physics
pound per gallon (US)
reciprocal year
frequency
bushel (US dry) per hour
0,000 000 001-fold of the derived SI unit sievert divided by the unit hour.
nanosievert per hour
equivalence dose output
Nuclear Reactions and Ionizing Radiations
Non SI-conforming unit of pressure by the Imperial system of units according to NIST: 1 pdl/ft² = 1,488 164 Pa.
poundal per square foot
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.
newton square metre per ampere
magnetic dipole moment
pascal second per cubic metre
acoustic impedance
metre kelvin
second radiation constant
kilocalorie (thermochemical) per minute
heat flow rate
Heat
cubic yard per psi
cubic metre per minute bar
British thermal unit (international table) per pound degree Fahrenheit
heat capacity, entropy
gray per second
absorbed dose rate
stokes
kinematic viscosity
gill (US) per minute
Derived SI unit watt divided by the product of the SI base unit metre and the unit for temperature degree Celsius.
watt per metre degree Celsius
thermal conductivity
Refer ISO/TC12 SI Guide
revolutions per second
Obsolete, non-legal unit of the power in Germany relating to DIN 1301-3:1979: 1 HK = 1,019 cd.
international candle
luminous intensity
reciprocal month
microgram per cubic metre kelvin
kilogram-force per square centimetre
ton (UK shipping)
milligram per second kelvin
mass flow rate
ounce (avoirdupois)-force
force, weight
litre per minute kelvin
tonne per hour bar
inch per two pi radiant
solid angle
foot of mercury
British thermal unit (thermochemical) inch per hour square foot degree Fahrenheit
hectogram
mass
Unit bel divided by the SI base unit metre.
bel per metre
sound pressure level, sound power level
pound (avoirdupois) square foot
moment of inertia (dynamic moment of inertia)
peck (US dry) per hour
milligram per second
ounce (avoirdupois) per minute
kelvin per bar
temperature
millilitre per bar
quart (US liquid) per minute
torr
newton metre
ounce (UK fluid) per minute
reciprocal kilovolt - ampere reciprocal hour
coefficient, performance characteristic
cubic yard per second
millilitre
Pressure or stress units
Units of measure grouped by quantity kind: pressure or stress.
kilogram per hour bar
microvolt per metre
poise per bar
viscosity (dynamic viscosity)
megagram per cubic metre
Unit of the surface heat flux according to the Imperial system of units.
British thermal unit (thermochemical) per square foot hour
density of heat flow rate
farad
capacitance
100-fold of the derived SI unit pascal divided by the SI base unit metre.
hectopascal per metre
The activity of the (solvated) hydrogen ion (a logarithmic measure used to state the acidity or alkalinity of a chemical solution).
pH (potential of Hydrogen)
acidity and alkalinity
megapascal
cubic hectometre
square metre per volt second
mobility
dry barrel (US)
Unit of the areal-related energy transmission according to the Imperial system of units.
British thermal unit (thermochemical) per square foot
radiant energy fluence, radiance exposure
reciprocal megakelvin or megakelvin to the power minus one
linear expansion coefficient, cubic expansion coefficient, relative pressure coefficient
fluid ounce (US)
pascal cubic metre per second
peck (US dry) per day
microlitre per litre
volume ratio
millisievert
dose equivalent
ounce inch
foot per second
velocity, phase velocity, group velocity
coulomb metre squared per volt
electric polarizability of a molecule
Velocity or speed units
Units of measure grouped by quantity kind: velocity or speed.
barrel (US) per minute
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.
lumen per square foot
illuminance
tonne per second bar
CGS (Centimetre-Gram-Second system) unit of luminance, defined as emitted or reflected luminance by one lumen per square centimetre.
stilb
luminance
joule per mole
molar thermodynamic energy
affinity (of a chemical reaction)
chemical potential
kilogram per bar
A unit of distance used for measuring the diameter of small tubes or wires such as the outer diameter od hypodermic or suture needles.
american wire gauge
kilosecond
time
Unit of resistivity.
ohm circular-mil per foot
resistivity
gigaelectronvolt
work, energy, potential energy, kinetic energy
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 .
centimetre of mercury (0 ºC)
kilogram per cubic centimetre
British thermal unit (international table) per minute
inch to the fourth power
second polar moment of area
calorie (thermochemical) per gram kelvin
specific heat capacity at: - constant pressure, -constant volume,- saturation
picosecond
degree per metre
microsiemens
conductance (for direct current), admittance, (complex admittance), modulus of admittance,(admittance), conductance (for alternating current)
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.
pound mole per minute
catalytic activity
milligram per cubic metre bar
Capacitance & permittivity units
Units of measure grouped by quantity kind: capacitance & permittivity.
British thermal unit (international table) inch per hour square foot degree Fahrenheit
cubic centimetre per day bar
foot per second squared
acceleration, acceleration of free fall, acceleration due to gravity
square inch
area
dyne second per centimetre
mechanical impedance
cubic kilometre
degree Celsius per kelvin
foot
electronvolt square metre
total atomic stopping power
volt squared per kelvin squared
megabecquerel
activity
coulomb per kilogram second
exposure rate
microampere
electric current, magnetic potential difference, magnetomotive force,current linkage
bushel (UK) per day
Unit of heat energy in commercial use, within the EU defined: 1 thm (EC) = 100 000 BtuIT.
therm (EC)
heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
British thermal unit (international table) inch per second square foot degree Fahrenheit
ampere per square millimetre
current density
foot per second psi
reciprocal joule per cubic metre
density of states
milligram per hour kelvin
degree Fahrenheit per bar
kiloampere per square metre
degree Rankine per hour
temperature variation over time
gram per cubic decimetre bar
Unit of heat energy in commercial use.
therm (U.S.)
gigacoulomb per cubic metre
volume density of charge, charge density, volumic charge
rem
SI base unit candela divided by the power of unit inch according to the Anglo-American and Imperial system of units by exponent 2.
candela per square inch
kilocoulomb per cubic metre
British thermal unit (thermochemical) foot per hour square foot degree Fahrenheit
Synonym: reciprocal second per cubic metre
reciprocal cubic metre per second
slowing down density
pound-force per square inch
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).
langley
foot pound-force per hour
power
cubic centimetre per hour
pound (avoirdupois) per second psi
Normalized cubic metre (temperature 0°C and pressure 101325 millibars ) per day
Normalized cubic metre per day
British thermal unit (international table) per hour
calorie (thermochemical) per centimetre second degree Celsius
milligram
litre per kilogram
specific volume, massic volume
lumen hour
quantity of light
millilitre per litre
gram millimetre
siemens square metre per mole
molar conductivity
watt per cubic metre
radiant energy, fluence rate, radiant exitance, irradiance, first radiation constant
kilogram per cubic decimetre kelvin
ampere per square metre
Energy in Mega Joules per normalised cubic metre for gas (temperature 0°C and pressure 101325 millibars)
Mega Joule per Normalised cubic Metre
millilitre per kilogram
ounce (avoirdupois) per hour
decapascal
Synonym: net ton (2000 lb)
ton (US) or short ton (UK/US)
tonne per day bar
CGS (Centimetre-Gram-Second system) unit of luminance, defined as the emitted or reflected luminance by one lumen per square centimetre.
lambert
megavolt
electric potential, potential difference, tension, voltage, electromotive force
kiloohm
resistance (to direct current), impedance, (complex impedances), modulus of impedance, resistance (to alternating current), reactance
erg per centimetre
linear energy transfer
total linear stopping power
quart (UK liquid) per minute
kiloelectronvolt
Non SI-conforming unit of the pressure according to the Imperial system of units (poundal by square inch).
poundal per square inch
volt per second
milligram per metre
linear density, linear mass
pound (avoirdupois) per cubic inch degree Fahrenheit
volt per kelvin
Seebeck coefficient for substances a and b
ampere second
electric charge, quantity of electricity, electric flux (flux of displacement)
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.
cubic foot per pound
reciprocal cubic metre
volumic number of molecules (or particles), number density of molecules (or particles), molecular concentration of B
ion number density, ion density, neutron number density
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
milli-inch
bushel (UK) per minute
radian
angle (plane)
angle of optical rotation
Bragg angle
phase difference, phase displacement, loss angle
decibel
sound reduction index
level of a field quantity, level of a power quantity
newton metre second
angular impulse
pint (UK)
cubic metre per hour
megapascal cubic metre per second
dyne second per cubic centimetre
surface density of mechanical impedance
kilomole per cubic metre bar
kilogram per hour
pound (avoirdupois) per hour psi
milligram per minute kelvin
cubic decimetre
milliampere per pound-force per square inch
0,000 001-fold of the derived SI unit sievert divided by the unit hour.
microsievert per hour
coulomb per square centimetre
surface density of charge, electric flux density, displacement electric polarization
megasiemens per metre
conductivity
gram per cubic metre kelvin
British thermal unit (international table) per square foot second
pint (US liquid) per minute
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.
megavar
reactive power
ton short per hour degree Fahrenheit
Unit of the heat capacity according to the Imperial system of units.
British thermal unit (thermochemical) per degree Rankine
British thermal unit (thermochemical) per hour
A unit used in music to describe the ratio in frequency between notes.
octave
frequency interval
kilojoule per gram
massic thermodynamic energy
kilohertz metre
pascal
partial pressure of B (in a gaseous mixture), fugacity of B (in a gaseous mixture), osmotic pressure
static pressure, (instantaneous) sound pressure
cubic metre per coulomb
Hall coefficient
kilogram per metre
15 °C calorie
nanoampere
decibel per metre
joule per kilogram kelvin
kiloohm metre
barrel (US petroleum) per hour
Amount of substance units
Units of measure grouped by quantity kind: amount of substance.
reciprocal second per steradian
photon intensity
henry
millimole per kilogram
ionic strength
millipascal second per kelvin
ounce (avoirdupois) per day
millilitre per square centimetre second
porosity
kilojoule per kilogram kelvin
pound per square inch absolute
siemens per centimetre
standard atmosphere
foot pound-force per second
gram per cubic metre bar
tonne per hour kelvin
A unit of mass. One slug is the mass accelerated at 1 foot per second per second by a force of 1 pound.
slug
centigram
cubic centimetre per cubic metre
peck (UK) per second
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 .
cubic inch per pound
centinewton metre
A unit of weight expressed in kilograms of a substance that fills a volume of one cubic metre.
kilogram per cubic metre
volumic mass, density, mass density
gram per minute bar
kilogram per square centimetre
surface density, areic mass
0,000 001-fold of the derived SI unit sievert divided by the unit minute.
microsievert per minute
picowatt
rad
absorbed dose
litre per kelvin
volume per temperature
0,000 000 001-fold of the derived SI unit gray divided by the unit minute.
nanogray per minute
kilocalorie (international table)
millimetre per kelvin
thermal diffusivity
joule second
Planck constant
Unit tonne divided by the unit year with 365 days.
tonne per year
Synonym: metric ton
tonne (metric ton)
1000-fold of the derived SI unit newton divided by the SI base unit metre.
kilonewton per metre
surface tension
Quotient from the 1000-fold of the derived SI unit joule divided by the unit minute.
kilojoule per minute
dyne centimetre
erg per square centimetre second
energy fluence rate, (energy flux density)
megalitre
centimetre per second kelvin
Flow rate units
Units of measure grouped by quantity kind: flow rate.
watt per metre kelvin
candela per square metre
square metre per second bar
Unit to indicate an angle at military zone, equal to the 6400th part of the full circle of the 360° or 2·p·rad.
mil
Unit of the luminance according to the Anglo-American system of units, defined as emitted or reflected luminance of a lm/ft².
footlambert
hundred pound (cwt) / hundred weight (US)
Unit of imbalance as a product of the SI base unit kilogram and the SI base unit metre.
kilogram metre
kilowatt
Unit of the length according the Anglo-American system of units.
chain (based on U.S. survey foot)
foot per psi
inch of mercury
watt per steradian square metre
radiance
Non SI-conforming unit of the thermal resistance according to the Imperial system of units.
degree Fahrenheit hour per British thermal unit (thermochemical)
thermal resistance
megavolt per metre
kilomole per hour
molar flux
hundred weight (UK)
gram per metre (gram per 100 centimetres)
dyne per centimetre
watt per kelvin
thermal conductance
newton per square metre
kilogram per day kelvin
0,000 000 001-fold of the derived SI unit ohm.
nanoohm
week
pound per cubic foot
litre per minute bar
cubic metre per second kelvin
SI base unit ampere divided by the derived SI unit pascal.
ampere per pascal
millicoulomb
The number of oscillation per minute
oscillations per minute
Use liquid pint (common code PTL)
pint (US)
Volume units
Units of measure grouped by quantity kind: volume.
mole per cubic metre kelvin
kilocalorie (thermochemical) per hour
square centimetre per erg
spectral cross-section
becquerel
0,000 000 000 001-fold of the derived SI unit volt.
picovolt
decilitre per gram
terahertz
cubic centimetre per second
Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the unit hour.
kilogram per metre hour
joule per cubic metre
electromagnetic energy density, volumic electromagnetic energy
radiant energy density
sound energy density, volumic, sound energy
kilogram square millimetre
nanocoulomb
Unit yard according to the Anglo-American and Imperial system of units divided by the unit minute.
yard per minute
nanotesla
magnetic flux density, magnetic induction, magnetic polarization
pint (UK) per second
Frequency units
Units of measure grouped by quantity kind: frequency.
decagram
milligram per kelvin
lux hour
light exposure
gigaohm metre
kilogram per kilometre
British thermal unit (international table) per pound degree Rankine
British thermal unit (thermochemical) per square foot second
kilogram per minute bar
kelvin per kelvin
henry per metre
permeability, permeability of vacuum, magnetic constant
kilohertz
micropascal
CGS (Centimetre-Gram-Second system) unit poise divided by the derived SI unit pascal.
poise per pascal
pound (avoirdupois) per degree Fahrenheit
technical atmosphere
henry per kiloohm
0,001-fold of the derived SI unit gray divided by the SI base unit second.
milligray per second
gram
pound per cubic yard
millimetre per year
milligram per bar
0,000 001-fold of the derived SI unit sievert divided by the SI base unit second.
microsievert per second
cubic decimetre per hour
curie per kilogram
specific activity in a sample
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.
foot to the fourth power
A unit of distance used or formerly used by British surveyors.
Gunter's chain
0,001-fold of the derived SI unit gray divided by the unit minute.
milligray per minute
kilocalorie (international table) per hour metre degree Celsius
A unit of length defining the distance that light travels in a vacuum in one year.
light year
Power units
Units of measure grouped by quantity kind: power.
radian square metre per kilogram
massic optical, rotatory power, specific optical rotatory power
millilitre per second
nanosiemens per metre
quart (UK liquid) per day
A unit of mass equal to one thousand grams.
kilogram
mass excess
mass of atom (of a nuclide x), nuclidic mass
mass of molecule
effective mass
kilogram-force metre per second
gallon (US) per hour
millicoulomb per kilogram
exposure
mole per litre bar
tonne per minute
ampere per square centimetre
microgram per litre
psi cubic metre per second
leakage rate of gas
quart (US liquid) per second
Non SI-conforming unit of viscosity.
poundal second per square foot
millilitre per second bar
reciprocal henry
reluctance
hertz metre
reciprocal cubic foot
microfarad
British thermal unit (international table) per square foot
minute [unit of time]
Unit of time equal to about 365.242 19 days. Synonym: solar year
tropical year
radian per metre
Debye angular repetency, Debye angular wave number
angular repetency, angular wavenumber
angular wave number, angular repetency
calorie (international table)
terawatt
degree Fahrenheit per hour
millimole per litre
newton metre per kilogram
British thermal unit (thermochemical) per degree Fahrenheit
slug per hour
femtojoule
gap energy
0,000 000 001-fold of the derived SI unit sievert divided by the unit minute.
nanosievert per minute
millipascal second
pascal litre per second
reciprocal volt - ampere reciprocal second
Dimensionless quantity units
Units of measure grouped by quantity kind: dimensionless quantity.
poise
pint (US liquid) per hour
hour
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.
circular mil
pound-force per foot
force divided by length
hectobar
neper per second
square metre per steradian
angular cross-section
square centimetre
cubic foot per hour
pound (avoirdupois) per minute degree Fahrenheit
inch per second psi
gigaohm
litre per hour bar
gill (US) per hour
newton per ampere
centimetre per bar
Unit of volume according to the Imperial system of units.
cubic mile (UK statute)
kilogram per cubic centimetre kelvin
British thermal unit (international table) per second foot degree Rankine
Traditional unit of the volume of stacked firewood which has been measured with a cord.
cord (128 ft3)
millimetre per degree Celcius metre
coulomb per cubic millimetre
peck (UK) per day
mole per kilogram kelvin
square micrometre (square micron)
volt second per metre
becquerel per cubic metre
volumic activity, activity concentration
millimetre
Angle units
Units of measure grouped by quantity kind: angle.
hectopascal per kelvin
Obsolete and non-legal unit of the pressure which is generated by a 10 metre water column divided by the SI base unit metre.
technical atmosphere per metre
degree Fahrenheit per minute
Use dry pint (common code PTD)
pint (US dry)
litre per second
inch per second squared
square yard
Quotient from the derived SI unit joule divided by the unit hour.
joule per hour
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.
kilogram per metre second
angstrom
wavelength
lattice plane spacing, Burgers vector
Bohr radius
barrel (UK petroleum) per day
SI derived unit gray divided by the unit minute.
gray per minute
gigawatt
tonne per kelvin
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.
kilogram centimetre per second
momentum
decare
weber
magnetic flux
magnetic flux quantum
kelvin per watt
pound per hour
erg per gram
kerma
British thermal unit (thermochemical) per pound degree Fahrenheit
litre per day
joule square metre
megavolt - ampere
apparent power
1000-fold of the SI base unit metre divided by the SI base unit second.
kilometre per second
hectopascal
coulomb per cubic centimetre
Synonym: unit
one
Fourier number
relative mass excess, relative mass defect
thermal diffusion ratio, thermal diffusion factor
linear strain, relative elongation, shear strain, volume or bulk strain
spectral absorption factor, spectral absorptance, spectral reflectionfactor,spectral reflectance, spectral transmission factor, spectral transmittance, spectral radiance factor
standard absolute activity of B (in a gaseous mixture)
Prandtl number
CIE colorimetric functions
reactivity
proton number, atomic number
Madelung constant
Debye-Walle factor
Alfven number
relative atomic mass
absolute activity
Nusselt number
Strouhal number
charge number of ion
Peclet number
stoichiometric number of B
proton number
Lewis number
Landau-Ginzburg number
mobility ratio
Froude number
degree of dissociation
number of turns in a winding, number of phases, number of pairs of poles
Reynolds number
coordinates trichromatic
fast fission factor
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)
emissivity, spectral emissivity, emissivity at a specified wavelength, directional spectral emissivity
Cowling number
Knudsen number
poisson ratio, poisson number
multiplication factor, infinite medium multiplication factor, effective multiplication factor
nucleon number, mass number
fine structure constant
packing fraction, binding fraction
statistical weight
average logarithmic energy decrement
friction factor, coefficient of friction
magnetic quantum number
short-range order parameter, long-range order parameter
Grashof number
thermal utilization factor
mole fraction of B, mole ratio of solute B
Euler number
Nusselt number for mass transfer
total angular momentum quantum number
Grashof number for mass transfer
activity coefficient of solute B (especially in a dilute solution),standard absolute activity of solute B (especially in a dilute solution)
number of molecules or other elementary entities
standard equilibrium constant
neutron yield per fission, neutron yield per absorption
Fourier number for mass transfer
Stanton number for mass transfer
dissipation factor, dissipance, reflection factor, reflectance, transmission factor, transmittance, absorption factor, absorbance
nuclear spin quantum number
coupling coefficient, leakage coefficient
Mach number
Rayleigh number
Grüneisen parameter
Stanton number
electric susceptibility
Weber number
relative density, relative mass density
orbital angular momentum quantum number
refractive index
lethargy
Peclet number for mass transfer
optical density
luminous efficiency, spectral luminous efficiency,luminous efficiency at a specified wavelength
activity coefficient of B (in a liquid as a solid mixture)
relative permeability
(rest) mass of electron, (rest) mass of proton, (rest) mass of neutron
relative permittivity
Schmidt number
relative molecular mass
neutron number
non leakage probability
microcanonical partition function, canonical partition function, grand-canonical partition function, grand partition function, molecular partition function, partition function of a molecule
transport number of ion B, current fraction of ion B
ratio of the specific heat capacities, ratio of the massic heat capacity, isentropic exponent
g-factor of atom or electron, g-factor of nucleus
Hartmann number
order of reflexion
resonance escape probability
hyperfine structure quantum number
magnetic susceptibility
principle quantum number
spin angular momentum quantum number
magnetic Reynolds number
standard absolute activity of B (in a liquid or a solid mixture)
internal conversion factor
Characteristic Numbers (dimensionless parameters)
millilitre per minute
square metre per second kelvin
volt
thermoelectromotive force between substances a and b, Peltier coefficient for substances a and b
Unit of heat energy according to the Imperial system of units in a reference temperature of 59 °F.
British thermal unit (59 ºF)
gigabecquerel
knot
metre per second
velocity of sound (phase velocity), group velocity
(instantaneous) sound particle velocity
phase velocity of electromagnetic_x000D_ waves, phase speed of electromagnetic waves
velocity (speed) on propagation of electromagnetic waves in vacuo
neutron speed
gram per day kelvin
inch of water
kilogram per kilogram
mass ratio
Joule per standard cubic metre (temperature 15°C and pressure 101325 millibars).
Joule per standard cubic metre
lux second
Quotient from the 1000-fold of the derived SI unit joule divided by the unit hour.
kilojoule per hour
inch per second
Unit of time equal to 365,25 days. Synonym: Julian year
year
sievert
1000-fold of the SI base unit mol divided by the SI base unit kilogram.
kilomole per kilogram
cubic foot
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 .
conventional metre of water
foot per minute
Quotient from the derived SI unit joule divided by the unit minute.
joule per minute
millifarad
pound-force per inch
1000-fold of the unit of the force pound-force (lbf) according to the Anglo-American system of units with the relationship.
kilopound-force
SI base unit kilogram divided by the product of the SI base unit second and the derived SI unit pascal.
kilogram per second pascal
centimetre per second bar
milligram per minute bar
gray
specific energy imparted, massic energy imparted
parsec
tonne per cubic metre
calorie (thermochemical) per second
milligram per cubic metre kelvin
microohm
Obsolete, non-legal unit of the power in Germany relating to DIN 1301-3:1979: 1 HK = 0,903 cd.
Hefner-Kerze
reciprocal minute
British thermal unit (international table) per degree Fahrenheit
cubic centimetre per hour kelvin
terawatt hour
0,000 000 001-fold of the derived SI unit gray divided by the unit hour.
nanogray per hour
gram per hour bar
electronvolt
Fermi energy
maximum beta particle energy, beta disintegration energy
resonance energy
erg square centimetre per gram
total mass stopping power
millinewton
teraohm
mole per minute
quart (UK)
newton per millimetre
reciprocal psi
mole per kilogram bar
gill (UK) per minute
watt
radiant power, (radiant energyflux)
sound power
kilogram per day
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.
phon
loudness level
pound-force second per square inch
British thermal unit (international table) per second square foot degree Rankine
surface coefficient of heat transfer
British thermal unit (international table) per pound
massic Helmholtz free energy
pound inch squared
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.
kilowatt per metre degree Celsius
kilogram per cubic centimetre bar
1000-fold of the SI base unit candela.
kilocandela
newton metre per square metre
torsional stiffness, area-related torsional moment
Derived SI unit coulomb divided by the SI base unit metre.
coulomb per metre
lineic charge
ounce (US fluid) per hour
A unit of power defining the total amount of bulk energy transferred or consumer per minute
megawatts per minute
Power flow rate
gal
gill (UK) per hour
calorie (thermochemical) per second centimetre kelvin
curie
gram per litre
British thermal unit (international table) per square inch second
foot pound-force per minute
cubic centimetre per hour bar
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.
franklin
ounce (UK fluid) per hour
degree [unit of angle]
degree Fahrenheit hour square foot per British thermal unit (thermochemical)
thermal insulance, coefficient of thermal insulation
reciprocal week
milligram per gram
gallon (US)
Synonym: foot squared per second
square foot per second
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.
kilowatt per square metre kelvin
square metre per joule
tonne per second
ampere per metre
linear electric current density, lineic electric current, magnetic field strength
magnetization
0,000 001-fold of the derived SI unit gray divided by the unit hour.
microgray per hour
milliampere per litre minute
milliroentgen aequivalent men
ounce (avoirdupois) per cubic inch
volt per microsecond
bushel (US dry) per day
kilowatt hour
peck (UK)
centipoise per bar
square millimetre
calorie (international table) per gram kelvin
newton metre per ampere
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.
footcandle
ton (US) per hour
A unit of energy defining the number of joules per square centimetre.
joule per square centimetre
gram per millilitre kelvin
microbar
Product of the derived SI unit newton and the SI base unit metre divided by the unit radian.
newton metre per radian
decametre
horsepower (boiler)
cubic inch per minute
360 part of a full circle divided by the power of the SI base unit second and the exponent 2.
degree [unit of angle] per second squared
angular acceleration
gigawatt hour
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.
inch of mercury (60 ºF)
ounce (avoirdupois)
British thermal unit (international table) foot per hour square foot degree Fahrenheit
square metre
cross-section
nuclear quadrupole moment
atomic attenuation coefficient
slowing down area, diffusion area, migration area
equivalent absorption area of a surface or object
micronewton
Unit of the energy density according to the Imperial system of units.
British thermal unit (thermochemical) per cubic foot
energy density
cubic centimetre per minute
gram-force per square centimetre
kilometre per hour
milligram per minute
milliampere per inch
degree Fahrenheit hour per British thermal unit (international table)
millimole
amount of substance
standard acceleration of free fall
kiloampere hour (thousand ampere hour)
inch pound (pound inch)
newton
kiloroentgen
Unit of velocity from the Imperial system of units.
mile per minute
millimetre per second
Unit of heat energy according to the imperial system of units.
quad (1015 BtuIT)
cubic yard per minute
cubic centimetre
gill (US) per day
quart (US liquid) per hour
volt square inch per pound-force
roentgen
milliampere per bar
kilobar
kilocalorie (mean)
SI derived unit gray divided by the unit hour.
gray per hour
ohm per metre
lineic resistance
coulomb per square metre
liquid pint (US)
cubic decimetre per second
gram per kelvin
millivolt per kelvin
Thompson coefficient
Unit tonne divided by the unit month.
tonne per month
1 Dec := log2 10 ˜ 3,32 according to the logarithm for frequency range between f1 and f2, when f2/f1 = 10.
decade (logarithmic)
logarithmic decrement
astronomical unit
litre per second kelvin
degree Fahrenheit second per British thermal unit (international table)
decibel per kilometre
micropoise
Use dry quart (US) (common code QTD)
quart (US dry)
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.
watt per square inch
terajoule
millicoulomb per square metre
CGS (Centimetre-Gram-Second system) unit of the illuminance, defined as lumen by square centimetre.
phot
lux
millicoulomb per cubic metre
slug per minute
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.
pound per square yard
Use standard (common code WSD)
standard cubic foot
Microgram per hectogram.
microgram per hectogram
kilogram-force metre
gram per minute kelvin
coulomb per cubic metre
inch
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.
pound foot per second
Quotient from the 1000-fold of the derived SI unit joule divided by the SI base unit second.
kilojoule per second
calorie (thermochemical) per square centimetre minute
peck
Unit for linear mass according to avoirdupois system of units.
pound per yard
gram per square metre
steradian
kilogram per cubic metre kelvin
neper
brake horse power
slug per cubic foot
pascal per kelvin
pressure coefficient
foot pound-force
milligray
electronvolt per metre
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.
pound per pound
hectometre
litre per hour kelvin
decilitre
calorie (thermochemical)
Gibbs function, Gibbs free energy
volt per millimetre
degree Rankine per minute
A unit of weight or mass equal to one tonne per hour.
tonne per hour
CGS (Centimetre-Gram-Second system) unit of the pressure divided by the SI base unit metre.
torr per metre
Unit of the translation factor for implementation from rotation to linear movement.
metre per radiant
reciprocal electron volt per cubic metre
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 .
inch of water (60 ºF)
cubic metre per day bar
microhenry per metre
barrel (US)
0,001-fold of the SI base unit metre divided by the power of the SI base unit second by exponent 2.
millimetre per second squared
1000-fold of the derived SI unit farad.
kilofarad
millibar litre per second
kilocoulomb
kilocalorie (thermochemical) per second
milliradian
0,000 1-fold of the power of the SI base unit metre by exponent 2 divided by the SI base unit second.
square centimetre per second
0,000 001-fold of the derived SI unit gray divided by the SI base unit second.
microgray per second
microgram per cubic metre bar
millisiemens
barrel (UK petroleum) per second
coulomb per square millimetre
0,001 fold of the power of the SI base unit meter by exponent 3 divided by the SI based unit kilogram.
cubic decimetre per kilogram
kilocoulomb per square metre
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.
cubic metre per second pascal
calorie (thermochemical) per gram degree Celsius
ampere square metre
electromagnetic moment, magnetic moment, (magnetic area moment)
magnetic moment of particle, Bohr magneton, nuclear magneton ornucleus
cubic centimetre per day kelvin
ounce (UK fluid) per day
Non SI-conforming unit of the material molar flux divided by the avoirdupois pound for mass according to the avoirdupois unit system.
pound mole per pound
ampere per millimetre
psi cubic yard per second
micro-inch
millijoule
reciprocal second per metre squared
photon exitance, irradiance
quart (UK liquid) per hour
A unit of catalytic activity defining the catalytic activity of enzymes and other catalysts.
katal
megabecquerel per kilogram
Power of the SI base unit meter by exponent 3 divided by the derived SI base unit pascal.
cubic metre per pascal
square centimetre per gram
ounce per square foot
degree Fahrenheit per kelvin
inch per second degree Fahrenheit
megaohm
millilitre per cubic metre
gallon (UK) per day
kilotonne
megajoule
litre per litre
Unit of the heat transition coefficient according to the imperial system of units.
British thermal unit (thermochemical) per hour square foot degree Fahrenheit
pound per foot
pound per foot second
cubic decimetre per minute
Synonym: kilogram-force
kilopond
Derived SI unit sievert divided by the unit minute.
sievert per minute
mole per kilogram
molality of solute B
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.
British thermal unit (thermochemical) per pound degree Rankine
megaelectronvolt
pound (avoirdupois) per cubic inch psi
Unit of work (force multiplied by path) according to the Imperial system of units as a product unit inch multiplied by poundal.
inch poundal
watt per square metre kelvin to the fourth power
Stefan-Boltzmann constant
newton second per metre
ounce (avoirdupois) per gallon (UK)
ounce (avoirdupois) per gallon (US)
poise per kelvin
square inch per second
The name of the unit is an acronym for volt-ampere-reactive.
var
bar litre per second
mole
mole per second
cubic metre per kilogram
square metre per newton
millimetre to the fourth power
second moment of area, second axial moment of area
1000-fold of the derived SI unit henry.
kilohenry
kilopascal square metre per gram
burst index
mho
susceptance
British thermal unit (thermochemical) per second square foot degree Fahrenheit
micromho
bar per kelvin
kilogram per kilomole
cubic millimetre per cubic metre
Synonym: metre squared per second (square metres/second US)
square metre per second
diffusion coefficient, diffusion coefficient for neutron number density
diffusion coefficient
thermal diffusion coefficient
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.
gram per centimetre second
ton short per hour psi
second per cubic metre radian
spectral concentration of vibrational modes (in terms of angular frequency)
metric horse power
millibar per bar
pressure ratio
microfarad per metre
permittivity, permittivity of vacuum, (electric constant)
A unit of electric charge defining the amount of charge accumulated by a steady flow of one ampere for one minute..
ampere minute
Unit for the equivalent tin rate relating to DIN 1301-3:1979: 1 rem/s = 0,01 J/(kg·s) = 1 Sv/s.
rem per second
lumen per square metre
luminous exitance
kilogram per kelvin
siemens
mile (statute mile)
Unit of specific thermal resistance according to the Imperial system of units.
degree Fahrenheit hour square foot per British thermal unit (international table) inch
joule per kelvin
Boltzmann constant
massieu function, planck function
A unit of illuminance equal to one thousand lux.
kilolux
cubic foot per day
radian per second
angular velocity
nuclear precession, cyclotron angular frequency
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.
candela per square foot
kilosiemens per metre
An SI unit of amount of substance equal to 10−9 moles
nanomole
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 .
inch of water (39.2 ºF)
megaampere
millimetre per hour
picolitre
tonne per cubic metre kelvin
0,000 000 001-fold of the derived SI unit gray divided by the SI base unit second.
nanogray per second
centilitre
kilomole
Unit of the work (force-path).
foot poundal
millilitre per hour kelvin
ampere per centimetre
CGS (Centimetre-Gram-Second system) unit of the rotational moment.
dyne metre
square centimetre per steradian erg
spectral angular cross-section
ounce (US fluid) per second
reciprocal mole
Avogadro constant
milliroentgen
gram per cubic decimetre kelvin
foot per second degree Fahrenheit
milligram per day kelvin
kilogram per millimetre
cubic metre per day
degree Celsius per minute
nanofarad
liquid quart (US)
Non SI-conforming unit of the surface tension according to the Imperial unit system as quotient poundal by inch.
poundal per inch
millibar per kelvin
Temperature units
Units of measure grouped by quantity kind: temperature.
Derived SI unit watt divided by the power of the 0,01-fold the SI base unit metre by exponent 2.
watt per square centimetre
megametre
Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the unit day.
kilogram per metre day
British thermal unit (international table) per square foot hour
gram per second bar
erg per second
milliampere per millimetre
watt per square metre
Poynting vector
Unit to identify an angle of the full circle of 360° or 2·p·rad (Refer ISO/TC12 SI Guide).
revolution
newton metre squared per kilogram squared
gravitational constant
pascal second
Normalised cubic metre (temperature 0°C and pressure 101325 millibars )
Normalised cubic metre
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.
pound-force foot
calorie (international table) per second square centimetre kelvin
Refer ISO 80000-5 (Quantities and units — Part 5: Thermodynamics)
degree Celsius
pound per square foot
SI base unit metre divided by the product of the unit degree Celsius and the SI base unit metre.
metre per degree Celcius metre
Unit of the area, which is mainly common in the agriculture and forestry.
square mile (based on U.S. survey foot)
joule per gram
metre per second bar
British thermal unit (international table) per second
0,01-fold of the SI base unit metre divided by the power of the SI base unit second by exponent 2.
centimetre per second squared
gram per millimetre
tonne per day
ohm per mile (statute mile)
nanogram per kilogram
calorie (thermochemical) per second square centimetre kelvin
Unit of the dynamic viscosity as a product of unit of the pressure (newton by square metre) multiplied with the SI base unit second.
newton second per square metre
joule per metre to the fourth power
spectral concentration of radiant energy density (in terms of wavelength),spectral radiant energy density (in terms of wave length)
watt per square metre kelvin
coefficient of heat transfer
volt - ampere
British thermal unit (international table) per hour square foot degree Rankine
kelvin metre per watt
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.
yard per second squared
electronvolt square metre per kilogram
degree Fahrenheit hour square foot per British thermal unit (thermochemical) inch
gill (US) per second
microcoulomb per square metre
milligram per day
millimole per gram
pound-force
centimetre of mercury
pound (avoirdupois) per cubic foot psi
femtolitre
cubic metre per minute
metre per kelvin
cubic inch per second
peck (UK) per minute
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.
megawatt
square kilometre
reciprocal cubic yard
A unit of distance used for measuring the diameter of small tubes such as urological instruments and catheters. Synonym: French, Charrière, Charrière gauge
French gauge
0,001-fold of the derived SI unit sievert divided by the SI base unit second.
millisievert per second
slug per foot second
cubic centimetre per second bar
pound-force foot per ampere
kelvin per minute
micrometre per kelvin
pound (avoirdupois) per hour degree Fahrenheit
kilovolt per metre
millimetre squared per second
cubic foot per psi
British thermal unit (thermochemical) per square foot minute
day
microsiemens per centimetre
newton centimetre
SI base unit metre divided by the unit hour.
metre per hour
1000-fold of the unit of the mass avoirdupois pound according to the avoirdupois unit system divided by the unit hour.
kilopound per hour
A unit of power load delivered at the rate of one thousandth of an ampere over a period of one hour.
milliampere hour
metre per second kelvin
gallon (US liquid) per second
millivolt - ampere
megajoule per kilogram
specific thermodynamic energy
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.
kip per square inch
Traditional unit of the cargo capacity.
ton, register
picometre
square metre per kilogram
mass attenuation coefficient
mass energy transfer coefficient
cubic centimetre per day
calorie (mean)
quart (US liquid) per day
picohenry
mole per cubic metre bar
gallon (UK)
picofarad
kilogram metre squared
cubic foot per degree Fahrenheit
Derived SI unit sievert divided by the unit hour.
sievert per hour
kilogram per litre
microhenry per ohm
fathom
British thermal unit (international table) per degree Rankine
kilonewton metre
milligram per square centimetre
millihenry per kiloohm
barrel (UK petroleum) per minute
Use kilovar (common code KVR)
kilovolt ampere (reactive)
Unit of the length according to the Imperial system of units divided by the power of the SI base unit second by exponent 2.
mile (statute mile) per second squared
dry pint (US)
gill (UK) per day
ampere per square metre kelvin squared
Richardson constant
Synonym: centner, metric 100 kg; quintal, metric 100 kg
decitonne
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)).
ton, assay
millimetre per minute
picowatt per square metre
ampere per kilogram
stokes per bar
gigapascal
cubic yard per hour
reciprocal bar
compressibility, bulk compressibility
megaohm metre
tonne per minute bar
Acoustic (sound) units
Units of measure grouped by quantity kind: acoustic (sound).
cubic metre per day kelvin
microcoulomb
ounce (avoirdupois) per second
Luminous intensity & illuminance units
Units of measure grouped by quantity kind: luminous intensity & illuminance.
gram per square centimetre
volt per inch
0,001-fold of the derived SI unit sievert divided by the unit minute.
millisievert per minute
kilojoule per kilogram
massic enthalpy, specific enthalpy
becquerel per kilogram
megahertz metre
erg
average energy loss per ion, pair formed, (average energy loss per elementary charge of the same sign produced)
picosiemens per metre
0,001-fold of the SI base unit candela.
millicandela
Unit inch according to the Anglo-American and Imperial system of units divided by the unit minute.
inch per minute
pound-force per square foot
joule per mole kelvin
molar heat capacity, molar entropy, molar gas constant
cubic centimetre per kelvin
microlitre
1000 fold of the derived SI unit weber.
kiloweber
meganewton metre
Time, duration units
Units of measure grouped by quantity kind: time, duration.
foot of water
peck (US dry) per minute
0,001-fold of the derived SI unit gray divided by the unit hour.
milligray per hour
reciprocal litre
stone (UK)
microwatt
milliweber
microcoulomb per cubic metre
mole per cubic decimetre
Traditional unit for the indication of the linear mass of textile fibers and yarns.
denier
joule square metre per kilogram
megaohm per kilometre
kilomole per minute
kilocalorie (thermochemical)
candela
gram per second kelvin
milligram per litre
calorie (international table) per gram degree Celsius
ohm
calorie (thermochemical) per square centimetre
British thermal unit (thermochemical) inch per second square foot degree Fahrenheit
coulomb per mole
Faraday constant
gram per day
gigaohm per metre
resistance load per unit length
degree Rankine
kiloampere
tesla
thermodynamic critical magnetic flux density, lower critical magnetic flux density, upper critical magnetic flux density
watt per steradian
radiant intensity
ton (US short) per cubic yard
ounce (avoirdupois) per cubic yard
square metre kelvin per watt
millilitre per day bar
nanolitre
dyne per square centimetre
Unit commonly used in the United States for ordnance survey._x000D_
foot (U.S. survey)
yard per psi
Unit of force per unit length based on the Anglo-American system of units.
pound-force per yard
ohm metre
residual resistivity
ton long per day
acre
pint (UK) per minute
micrometre (micron)
Unit of the volume, which is used in the United States to measure/gauge the capacity of reservoirs.
acre-foot (based on U.S. survey foot)
degree Celsius per bar
microfarad per kilometre
litre per mole
molar volume
tonne per second kelvin
pound-force foot per pound
work per unit weight
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).
unit pole
mole per hour
watt second
milligram per hour bar
Synonym: inch cubed
cubic inch
section modulus
pascal second per metre
characteristic impedance of a medium
yard per degree Fahrenheit
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.
square foot per hour
millisecond
centipoise per kelvin
centimetre
picoampere
ton short per day
Electric potential & field units
Units of measure grouped by quantity kind: electric potential & field.
lumen per watt
luminious efficacy, spectral luminous efficacy, luminous efficacy at a specified wavelength, maximum spectral luminous efficacy
megajoule per cubic metre
second [unit of time]
time constant, relaxation time
period, periodic time
mean life, half life
reverberation time
reactor time constant
relaxation time, carrier life time
megahertz
nanoohm metre
megaohm kilometre
kilobecquerel
ounce (UK fluid) per second
newton metre watt to the power minus 0,5
A unit of distance equal to 5.5 yards (16 feet 6 inches).
rod [unit of distance]
milliohm per metre
pint (US liquid) per second
tablespoon (US)
pascal per bar
millivolt
degree Fahrenheit
fahrenheit temperature
reciprocal pascal or pascal to the power minus one
isothermal compressibility, isentropic compressibility
newton metre per degree
kilojoule
Synonym: reciprocal metre squared
reciprocal square metre
photon exposure
particle fluence
kiloampere per metre
centimetre per hour
millipascal second per bar
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.
gilbert
joule per kilogram
massic energy, specific energy
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 .
centimetre of water (4 ºC)
cubic yard
calorie (international table) per gram
specific Helmholtz free energy
megagram
grain
Resistance & conductance units
Units of measure grouped by quantity kind: resistance & conductance.
degree Celsius per second
ton-force (US short)
A unit of subjective sound loudness. One sone is the loudness of a pure tone of frequency one kilohertz and strength 40 decibels.
sone
loudness
picofarad per metre
bushel (US)
cubic foot per minute
kiloweber per metre
magnetic vector potential
newton per metre
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.
poundal second per square inch
A unit of frequency equal to 0.001 cycle per second
millihertz
Unit of head energy according to the Imperial system of units at a reference temperature of 60 °F.
British thermal unit (60 ºF)
Unit commonly used in the United States for ordnance survey.
mile (based on U.S. survey foot)
kilogram per litre kelvin
gill (UK) per second
kilonewton
milligram per kilogram
degree Rankine per second
square metre per mole
molar attenuation coefficient
molar absorption coefficient
cubic metre per second bar
cubic metre per mole
kilovolt
cubic metre per hour bar
minute [unit of angle]
0,000 000 000 001-fold of the derived SI unit siemens.
picosiemens
microgram
psi cubic inch per second
pint (US liquid) per day
troy ounce or apothecary ounce
square mile (statute mile)
pascal per metre
metre per bar
litre per minute
nanohenry per metre
cubic centimetre per mole
millilitre per day kelvin
cubic metre per second
(instantaneous) volume flow rate
recombination coefficient
kilopascal per kelvin
gram per cubic centimetre kelvin
barn per steradian
microcurie
microohm metre
barrel (UK petroleum) per hour
coulomb metre
electric dipole moment of molecule
electric dipole moment
kilogram square centimetre
farad per metre
millipascal
second per cubic metre
volumic dose
tonne per cubic metre bar
SI base unit mol divided by the product of the SI base unit kilogram and the derived SI unit pascal.
mol per kilogram pascal
clo
barn per electronvolt
micronewton metre
reciprocal metre squared reciprocal second
particle fluence rate, (partical flux density), neutron fluence rate, (neutronflux density), current density of particles
quart (UK liquid) per second
siemens per metre
electrolytic conductivity
hectopascal litre per second
megapascal per bar
British thermal unit (thermochemical) per minute
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.
kilocalorie (international table) per gram kelvin
cup [unit of volume]
gram per minute
ton short per degree Fahrenheit
cubic centimetre per minute kelvin
barn per steradian electronvolt
millilitre per hour bar
common year
bushel (US dry) per minute
litre per day kelvin
unified atomic mass unit
mass of atom (of a nuclide x), nuclidic mass, unified atomic mass constant
mass defect
conventional millimetre of mercury
Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the unit minute.
kilogram per metre minute
kilogram per square metre
mean mass range
dry gallon (US)
newton per centimetre
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.
pound inch per second
kilolitre
nanohenry
Use liquid quart (common code QTL)
quart (US)
reciprocal kelvin or kelvin to the power minus one
British thermal unit (thermochemical) per second
kilogram per cubic decimetre bar
milligram per cubic metre
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.
kilogram metre per second squared
mole per litre
yard
Kilowatt hour per standard cubic metre (temperature 15°C and pressure 101325 millibars).
Kilowatt hour per standard cubic metre
litre per day bar
Thermal capacity & conductivity units
Units of measure grouped by quantity kind: thermal capacity & conductivity.
microgram per kilogram
kilopascal
millilitre per kelvin
British thermal unit (international table) per hour square foot degree Fahrenheit
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.
kilogram per cubic metre pascal
gram per mole
molar mass
bushel (US dry) per second
inch per degree Fahrenheit
0,000 000 001-fold of the derived SI unit sievert divided by the SI base unit second.
nanosievert per second
stere
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.
gram per square millimetre
dry quart (US)
ton (UK long) per cubic yard
Kilowatt hour per normalized cubic metre (temperature 0°C and pressure 101325 millibars ).
Kilowatt hour per normalized cubic metre
microwatt per square metre
kilogram per cubic metre bar
milliampere
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 .
poundal inch
mole per cubic metre
kilosiemens
nanosiemens per centimetre
decalitre
milligram per day bar
square decimetre
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.
pond
radian per second squared
Standard cubic metre (temperature 15°C and pressure 101325 millibars ) per hour
Standard cubic metre per hour
millivolt per metre
SI base unit kelvin divided by the derived SI unit pascal.
kelvin per pascal
kilogram metre squared per second
moment of momentum, angular momentum
ounce per square yard
pound (avoirdupois) per day
gallon (UK) per hour
kilovar
kilogram per second kelvin
SI base unit metre divided by the derived SI unit pascal.
metre per pascal
Standard cubic metre (temperature 15°C and pressure 101325 millibars ) per day
Standard cubic metre per day
British thermal unit (international table)
volt per litre minute
millilitre per hour
hectopascal cubic metre per second
ampere square metre per joule second
gyromagnetic coefficient, (gyromagnetic ratio)
Electric current units
Units of measure grouped by quantity kind: electric current.
kilogram-force per square metre
cubic centimetre per minute bar
kilometre
meganewton
millihenry per ohm
0,001-fold of the derived SI unit pascal divided by the SI base unit metre.
millipascal per metre
millisiemens per centimetre
kilogram per minute kelvin
Energy, work, heat units
Units of measure grouped by quantity kind: energy, work, heat.
kilogram-force
kilonewton per square metre
Synonym: metric horse power
cheval vapeur
farad per kilometre
reciprocal cubic inch
kilomole per second
A unit of electric charge defining the amount of charge accumulated by a steady flow of one ampere for one hour.
ampere hour
gram per cubic decimetre
gram per litre kelvin
nanometre
henry per ohm
teaspoon (US)
Density units
Units of measure grouped by quantity kind: density.
erg per gram second
kerma rate
Quotient of the derived SI unit joule divided by the SI base unit second.
joule per second
reciprocal cubic millimetre
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).
ounce (avoirdupois) per square inch
centimetre per second
ohm per kilometre
Viscosity units
Units of measure grouped by quantity kind: viscosity.
hectolitre
millibar
megapascal litre per second
millilitre per square centimetre minute
joule per metre
kilogram per hour kelvin
millitesla
Unit of measure
Units of measure — UNECE Recommendation 20 Revision 17 (2021), Annex I. UNECE Rec 20 Rev 17.
bar [unit of pressure]
millilitre per minute bar
pound (avoirdupois) per minute
Force, moment, momentum units
Units of measure grouped by quantity kind: force, moment, momentum.
millilitre per second kelvin
petajoule
Power of the SI base unit metre with the exponent 2 divided by the SI base unit second and the derived SI unit pascal.
square metre per second pascal
pound per inch of length
milligram per square metre
Inductance units
Units of measure grouped by quantity kind: inductance.
volt per metre
1000-fold of the derived SI unit tesla.
kilotesla
bar per bar
Unit of the heat energy according to the Imperial system of units divided the unit avoirdupois pound according to the avoirdupois system of units.
British thermal unit (thermochemical) per pound
massic Helmholtz free energy,
Derived SI unit volt divided by the derived SI unit pascal.
volt per pascal
kilogram per cubic decimetre
kilogram per day bar
psi per psi
milligram per hour
Unit yard according to the Anglo-American and Imperial system of units divided by the SI base unit second.
yard per second
joule
Hartree energy
level width, alpha disintegration energy
reaction energy
work function
radiant energy
energy imparted, mean energy imparted
active energy
kilogram per second
square foot
calorie (thermochemical) per square centimetre second
lumen second
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.
poundal
Acceleration units
Units of measure grouped by quantity kind: acceleration.
cubic centimetre per bar
Area units
Units of measure grouped by quantity kind: area.
Unit of heat energy according to the Imperial system of units in a reference temperature of 39 °F.
British thermal unit (39 ºF)
Synonym: hectare
square hectometre
British thermal unit (mean)
megaohm per metre
centistokes
Synonym: gross ton (2240 lb)
ton (UK) or long ton (US)
millivolt per minute
square metre hour degree Celsius per kilocalorie (international table)
decimetre
gram per litre bar
lumen
luminous flux
microtesla
US gallon per minute
pound
Product of the derived SI unit weber and SI base unit metre.
weber metre
gram per hour kelvin
Logarithmic relationship to base 10.
bel
millilitre per minute kelvin
metre to the fourth power
Unit of the velocity from the Imperial system of units.
mile per second
cubic yard per degree Fahrenheit
Joule per normalised cubic metre (temperature 0°C and pressure 101325 millibars).
Joule per normalised cubic metre
megacoulomb
British thermal unit (international table) per second square foot degree Fahrenheit
pound (avoirdupois) per psi
kilopascal per millimetre
degree per second
centipoise
weber per metre
bushel (UK)
kilogram metre per second
tonne per day kelvin
cubic decimetre per day
Outdated unit of the pressure divided by the SI base unit metre.
standard atmosphere per metre
gigajoule
microgram per cubic metre
milligal
microbecquerel
degree Fahrenheit per second
1000-fold of the SI base unit metre divided by the power of the SI base unit second by exponent 2.
kilometre per second squared
Unit of the set as a product of the power of derived SI unit pascal with exponent 2 and the SI base unit second.
pascal squared second
sound exposure
Electric charge units
Units of measure grouped by quantity kind: electric charge.
British thermal unit (international table) per cubic foot
Unit yard according to the Anglo-American and Imperial system of units divided by the unit hour.
yard per hour
Unit of the dynamic viscosity according to the Anglo-American unit system.
pound per foot day
SI base unit meter divided by the product of SI base unit second and the derived SI unit pascal.
metre per second pascal
newton second
impulse
A measure of pressure expressed in newtons per square centimetre.
newton per square centimetre
SI base unit kilogram divided by the derived SI unit pascal.
kilogram per pascal
kilomole per cubic metre kelvin
metre per minute
kilovolt - ampere
gigahertz
megapascal per kelvin
metre per second squared
(instantaneous) sound particle acceleration
gram per hertz
square metre per steradian joule
exajoule
reciprocal metre
angular reciprocal lattice vector, fundamental reciprocal lattice vector
Rydberg constant
vergence, lens power
linear ionization by a particle, total ionization by a particle
linear attenuation coefficient, linear extinction coefficient,linear absorption coefficient
wavenumber, repetency
curvature
repetency, wavenumber
angular repetency, angular wave number
macroscopic cross-section, volumic cross-section, volumic total cross-section, macroscopic total cross-section
linear attenuation coefficient
attenuation coefficient, phase coefficient, propagation coefficient
wave number, attenuation coefficient, phase coefficient, propagation coefficient, repetency
cubic inch per hour
erg square centimetre
pound-force second per square foot
litre per bar
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.
furlong
peck (US dry) per second
erg per cubic centimetre
tonne per bar
Complement of the power of the unit inch according to the Anglo-American and Imperial system of units by exponent 2.
reciprocal square inch
peck (UK) per hour
gram per millilitre
millimetre per bar
Quotient from the derived SI unit joule divided by the unit day.
joule per day
coulomb per kilogram
0,000 001-fold of the derived SI unit gray divided by the unit minute.
microgray per minute
Synonym: metre cubed
cubic metre
degree Fahrenheit second per British thermal unit (thermochemical)
gram per cubic metre
kilogram per second bar
pound mole per second
horsepower (electric)
cubic metre per hour kelvin
inch per psi
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.
calorie (20 ºC)
CGS (Centimetre-Gram-Second system) unit stokes divided by the derived SI unit pascal.
stokes per pascal
Unit of the length according to the Anglo-American and Imperial system of units divided by the unit common year with 365 days.
inch per year
microsecond
milliwatt
litre per second bar
femtometre
ampere squared second
kilogram per square metre second
kilogram per minute
calorie (international table) per second centimetre kelvin
cubic metre per minute kelvin
hectopascal per bar
foot per hour
Magnetic flux & field units
Units of measure grouped by quantity kind: magnetic flux & field.
erg per second square centimetre
nanosecond
1000-fold of the derived SI unit pascal divided by the SI base unit metre.
kilopascal per metre
ohm centimetre
mile per hour (statute mile)
attofarad
decigram
Reciprocal of the derived SI unit joule.
reciprocal joule
cubic decimetre per mole
reciprocal cubic centimetre
barn
total cross-section
coulomb
elementary charge
pascal second per litre
millicurie
kilopascal per bar
0,001-fold of the derived SI unit sievert divided by the unit hour.
millisievert per hour
Outdated unit of the mass used in Germany.
pfund
pound-force per square inch degree Fahrenheit
A unit of pressure defining the number of kilopounds force per square inch.
A unit of pressure defining the number of kilopounds force per square inch. Use kip per square inch (common code N20).
Synonym: square hectometre
hectare
bar cubic metre per second
picopascal per kilometre
cubic decametre
cubic centimetre per second kelvin
cubic decimetre per cubic metre
ohm kilometre
kilojoule per kelvin
kilobecquerel per kilogram
cubic metre per kelvin
Conversion factor required
cubic foot per minute per square foot
Unit of volume flow cubic meters by second related to the transmission surface in square metres.
cubic metre per second square metre
kilomole per cubic metre
dyne
gram per second
ounce (US fluid) per day
watt hour
picocoulomb
Synonym: are
square decametre
gallon (UK) per second
Synonym: square decametre
are
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.
inch of mercury (32 ºF)
kelvin
Debye temperature, Curie temperature, Néel temperature, Fermi temperature, Super conductor transition temperature
thermodynamic
centimetre per kelvin
microsiemens per metre
dyne second per centimetre to the fifth power
Unit for a very short period.
shake
pound (avoirdupois) per second degree Fahrenheit
hertz
reciprocal degree Fahrenheit
cubic metre per bar
decinewton metre
kilolitre per hour
pound-force inch
Unit of magnetic flow density.
gamma
sidereal year
foot per degree Fahrenheit
pound (avoirdupois) per cubic foot degree Fahrenheit
reciprocal second per steradian metre squared
photon luminance, photon radiance
millinewton per metre
conventional centimetre of water
kilogram per mole
mole per litre kelvin
gram per day bar
1000-fold of the derived SI unit watt divided by the product of the SI base unit metre and the SI base unit kelvin.
kilowatt per metre kelvin
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.
pascal square metre per kilogram
Unit of time equal to 1/12 of a year of 365,25 days.
month
roentgen per second
Imperial gallon per minute
cubic metre per cubic metre
megacoulomb per cubic metre
ounce (avoirdupois)-force inch
reciprocal hour
pound per foot minute
millihenry
nanowatt
milligram per second bar
cubic millimetre
pascal second per kelvin
weber per millimetre
degree Celsius per hour
gram per hour
Mass units
Units of measure grouped by quantity kind: mass.
microradian
grain per gallon (US)
ounce (US fluid) per minute
kilogram-force per square millimetre
pound per foot hour
bushel (UK) per hour
calorie (thermochemical) per minute
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 .
foot of water (39.2 ºF)
pound (avoirdupois) per gallon (UK)
attojoule
donor ionization energy, acceptor ionization energy, exchange intergral, superconductor energy gap, electron affinity
volt per centimetre
kilogram per litre bar
barrel (UK petroleum)
microhenry per kiloohm
millilitre per day
stokes per kelvin
Derived SI unit sievert divided by the SI base unit second.
sievert per second
calorie (thermochemical) per gram
specific Helmholtz function, massic Gibbs free energy, specific Gibbs free energy
microvolt
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.
biot
kelvin per hour
barrel (US petroleum) per second
litre
milliohm metre
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.
gram centimetre per second
pound per cubic inch
gram per cubic centimetre
cubic yard per day
watt per metre
micromole
Obsolete unit of the power relating to DIN 1301-3:1979: 1 PS = 735,498 75 W.
Pferdestaerke
tonne per minute kelvin
Synonym: joule per metre squared
joule per square metre
energy fluence
psi litre per second
metre per volt second
second [unit of angle]
gigahertz metre
Length, distance units
Units of measure grouped by quantity kind: length, distance.
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).
water horse power
milliohm
ton short per psi
A unit of power defining the total amount of bulk energy transferred or consumed.
megawatt hour (1000 kW.h)
pascal second per bar
megahertz kilometre
degree Fahrenheit hour square foot per British thermal unit (international table)
Radiation, dose & activity units
Units of measure grouped by quantity kind: radiation, dose & activity.
fluid ounce (UK)
pound (avoirdupois) per minute psi
grade
Synonym: grade
gon
pint (UK) per day
Standard cubic metre (temperature 15°C and pressure 101325 millibars )
Standard cubic metre
ampere
reciprocal second per cubic metre
neutron source density
megaampere per square metre
slug per day
Normalized cubic metre (temperature 0°C and pressure 101325 millibars ) per hour
Normalized cubic metre per hour
pound (avoirdupois) per second
Unit of the angular velocity.
revolution per minute
kilojoule per mole
coulomb square metre per kilogram
reciprocal angstrom
Fermi angular repetency, Fermi angular wave number
kilocurie
megacoulomb per square metre
kelvin per second
radian square metre per mole
molar optical rotatory power
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.
pound mole
millibar cubic metre per second
slug per second
revolutions per minute
nanofarad per metre
metre
lattice vector, fundamental lattice vector
mean free path
nuclear radius, electron radius, Compton wavelength
(instantaneous) sound particle displacement
particle position vector, equilibrium position vector of ion or atom, displacement vector of ion or atom
mean linear range, mean free path
half-thickness, half-value thickness
diffusion coefficient for neutron fluence rate, (diffusion coefficient for neutron flux density)
mean free path of phonons or electrons, London penetration depth, coherence length, diffusion length
object distance, image distance, focal distance
slowing-down length, diffusion length, migration length