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