0,001-fold of the derived SI unit pascal divided by the SI base unit metre.
millipascal per metre
hardness index
Miscellaneous
hectopascal per bar
pressure ratio
Mechanics
calorie (international table) per second square centimetre kelvin
surface coefficient of heat transfer
Heat
Logarithmic relationship to base 10.
bel
level of a field quantity, level of a power quantity
Periodic and related phenomena
reciprocal second
damping coefficient
rotational frequency
circular frequency
Debye angular frequency
photon flux
Larmor angular frequency
angular frequency, pulsatance
decay constant, disintegration constant
Light and Related Electromagnetic Radiations
Atomic and Nuclear Physics
Solid State Physics
Acoustics
millivolt per kelvin
Thompson coefficient
1000-fold of the derived SI unit pascal divided by the SI base unit metre.
kilopascal per metre
litre per litre
volume ratio
Space and Time
Unit of the heat transition coefficient according to the imperial system of units.
British thermal unit (thermochemical) per hour square foot degree Fahrenheit
nanogram per kilogram
mass ratio
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
calorie (thermochemical) per second square centimetre kelvin
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
kilohertz metre
coefficient, performance characteristic
Electricity and Magnetism
watt per square metre kelvin
coefficient of heat transfer
megahertz metre
Reciprocal of the derived SI unit joule.
reciprocal joule
British thermal unit (international table) per second square foot degree Fahrenheit
British thermal unit (international table) per hour square foot degree Rankine
cubic metre per coulomb
Hall coefficient
kilopascal per millimetre
megapascal per bar
kilopascal per bar
British thermal unit (international table) per second square foot degree Rankine
Outdated unit of the pressure divided by the SI base unit metre.
standard atmosphere per metre
pascal per bar
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
Microgram per hectogram.
microgram per hectogram
picopascal per kilometre
millilitre per square centimetre second
porosity
kilopascal square metre per gram
burst index
cubic decimetre per cubic metre
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
Conversion factor required
cubic foot per minute per square foot
Unit of volume flow cubic meters by second related to the transmission surface in square metres.
cubic metre per second square metre
bar per kelvin
pressure coefficient
neper
gigahertz metre
reciprocal kelvin or kelvin to the power minus one
linear expansion coefficient, cubic expansion coefficient, relative pressure coefficient
cubic millimetre per cubic metre
Synonym: metre squared per second (square metres/second US)
square metre per second
kinematic viscosity
thermal diffusivity
diffusion coefficient, diffusion coefficient for neutron number density
diffusion coefficient
thermal diffusion coefficient
Nuclear Reactions and Ionizing Radiations
Physical Chemistry and Molecular Physics
cubic centimetre per cubic metre
pascal per kelvin
millibar per bar
megahertz kilometre
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
millilitre per litre
microgram per kilogram
Unit of the heat transition coefficient according to the Imperial system of units.
British thermal unit (international table) per hour square foot degree Fahrenheit
Synonym: unit
one
Fourier number
relative mass excess, relative mass defect
thermal diffusion ratio, thermal diffusion factor
linear strain, relative elongation, shear strain, volume or bulk strain
spectral absorption factor, spectral absorptance, spectral reflectionfactor,spectral reflectance, spectral transmission factor, spectral transmittance, spectral radiance factor
standard absolute activity of B (in a gaseous mixture)
Prandtl number
CIE colorimetric functions
reactivity
proton number, atomic number
Madelung constant
Debye-Walle factor
Alfven number
relative atomic mass
absolute activity
Nusselt number
Strouhal number
charge number of ion
Peclet number
stoichiometric number of B
proton number
Lewis number
Landau-Ginzburg number
mobility ratio
Froude number
degree of dissociation
number of turns in a winding, number of phases, number of pairs of poles
Reynolds number
coordinates trichromatic
fast fission factor
activity of solvent A, relative activity of solvent A (especially in a dilute solution), osmotic coefficient of the solvent A (especially in a dilute solution), standard absolute activity of solvent A (especially in a dilute solution)
emissivity, spectral emissivity, emissivity at a specified wavelength, directional spectral emissivity
Cowling number
Knudsen number
poisson ratio, poisson number
multiplication factor, infinite medium multiplication factor, effective multiplication factor
nucleon number, mass number
fine structure constant
packing fraction, binding fraction
statistical weight
average logarithmic energy decrement
friction factor, coefficient of friction
magnetic quantum number
short-range order parameter, long-range order parameter
Grashof number
thermal utilization factor
mole fraction of B, mole ratio of solute B
Euler number
Nusselt number for mass transfer
total angular momentum quantum number
Grashof number for mass transfer
activity coefficient of solute B (especially in a dilute solution),standard absolute activity of solute B (especially in a dilute solution)
number of molecules or other elementary entities
standard equilibrium constant
neutron yield per fission, neutron yield per absorption
Fourier number for mass transfer
Stanton number for mass transfer
dissipation factor, dissipance, reflection factor, reflectance, transmission factor, transmittance, absorption factor, absorbance
nuclear spin quantum number
coupling coefficient, leakage coefficient
Mach number
Rayleigh number
Grüneisen parameter
Stanton number
electric susceptibility
Weber number
relative density, relative mass density
orbital angular momentum quantum number
refractive index
lethargy
Peclet number for mass transfer
optical density
luminous efficiency, spectral luminous efficiency,luminous efficiency at a specified wavelength
activity coefficient of B (in a liquid as a solid mixture)
relative permeability
(rest) mass of electron, (rest) mass of proton, (rest) mass of neutron
relative permittivity
Schmidt number
relative molecular mass
neutron number
non leakage probability
microcanonical partition function, canonical partition function, grand-canonical partition function, grand partition function, molecular partition function, partition function of a molecule
transport number of ion B, current fraction of ion B
ratio of the specific heat capacities, ratio of the massic heat capacity, isentropic exponent
g-factor of atom or electron, g-factor of nucleus
Hartmann number
order of reflexion
resonance escape probability
hyperfine structure quantum number
magnetic susceptibility
principle quantum number
spin angular momentum quantum number
magnetic Reynolds number
standard absolute activity of B (in a liquid or a solid mixture)
internal conversion factor
Characteristic Numbers (dimensionless parameters)
reciprocal metre
angular reciprocal lattice vector, fundamental reciprocal lattice vector
Rydberg constant
vergence, lens power
linear ionization by a particle, total ionization by a particle
linear attenuation coefficient, linear extinction coefficient,linear absorption coefficient
wavenumber, repetency
curvature
repetency, wavenumber
angular repetency, angular wave number
macroscopic cross-section, volumic cross-section, volumic total cross-section, macroscopic total cross-section
linear attenuation coefficient
attenuation coefficient, phase coefficient, propagation coefficient
wave number, attenuation coefficient, phase coefficient, propagation coefficient, repetency
milligram per kilogram
bar per bar
square metre per mole
molar attenuation coefficient
molar absorption coefficient
square metre per kilogram
mass attenuation coefficient
mass energy transfer coefficient
CGS (Centimetre-Gram-Second system) unit of the pressure divided by the SI base unit metre.
torr per metre
reciprocal kilovolt - ampere reciprocal hour
kilogram per kilogram
square metre
cross-section
nuclear quadrupole moment
area
atomic attenuation coefficient
slowing down area, diffusion area, migration area
equivalent absorption area of a surface or object
psi per psi
hertz metre
volt per kelvin
Seebeck coefficient for substances a and b
pascal per metre
100-fold of the derived SI unit pascal divided by the SI base unit metre.
hectopascal per metre
The activity of the (solvated) hydrogen ion (a logarithmic measure used to state the acidity or alkalinity of a chemical solution).
pH (potential of Hydrogen)
acidity and alkalinity
decibel
sound reduction index
sound pressure level, sound power level
ampere square metre per joule second
gyromagnetic coefficient, (gyromagnetic ratio)
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
reciprocal volt - ampere reciprocal second
cubic metre per second
(instantaneous) volume flow rate
volume flow rate
recombination coefficient
Dimensionless quantity units
Units of measure grouped by quantity kind: dimensionless quantity.
reciprocal megakelvin or megakelvin to the power minus one
cubic metre per cubic metre
microlitre per litre
metre
lattice vector, fundamental lattice vector
mean free path
nuclear radius, electron radius, Compton wavelength
(instantaneous) sound particle displacement
Bohr radius
particle position vector, equilibrium position vector of ion or atom, displacement vector of ion or atom
mean linear range, mean free path
half-thickness, half-value thickness
diffusion coefficient for neutron fluence rate, (diffusion coefficient for neutron flux density)
wavelength
length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance
mean free path of phonons or electrons, London penetration depth, coherence length, diffusion length
object distance, image distance, focal distance
slowing-down length, diffusion length, migration length
neper per second