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