watt per kelvin
thermal conductance
Heat
Unit of specific thermal resistance according to the Imperial system of units.
degree Fahrenheit hour square foot per British thermal unit (thermochemical) inch
thermal resistance
calorie (thermochemical) per centimetre second degree Celsius
thermal conductivity
joule per mole kelvin
molar heat capacity, molar entropy, molar gas constant
Physical Chemistry and Molecular Physics
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
heat capacity, entropy
kelvin per watt
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
Mechanics
calorie (international table) per gram degree Celsius
Unit of heat energy according to the imperial system of units.
quad (1015 BtuIT)
heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
British thermal unit (thermochemical) per pound degree Fahrenheit
calorie (international table) per second centimetre kelvin
joule per kilogram kelvin
specific heat capacity at: - constant pressure, -constant volume,- saturation
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
British thermal unit (thermochemical) inch per second square foot degree Fahrenheit
Unit of heat energy in commercial use, within the EU defined: 1 thm (EC) = 100 000 BtuIT.
therm (EC)
joule
Hartree energy
level width, alpha disintegration energy
reaction energy
work function
work, energy, potential energy, kinetic energy
radiant energy
energy imparted, mean energy imparted
active energy
Light and Related Electromagnetic Radiations
Atomic and Nuclear Physics
Electricity and Magnetism
Solid State Physics
calorie (international table) per gram kelvin
British thermal unit (international table) inch per second square foot degree Fahrenheit
kilocalorie (international table) per hour metre degree Celsius
British thermal unit (thermochemical) inch per hour square foot degree Fahrenheit
Unit of the heat capacity according to the Imperial system of units.
British thermal unit (international table) per degree Fahrenheit
Thermal capacity & conductivity units
Units of measure grouped by quantity kind: thermal capacity & conductivity.
clo
thermal insulance, coefficient of thermal insulation
degree Fahrenheit hour square foot per British thermal unit (international table)
kilocalorie (mean)
calorie (international table)
watt per metre 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
Unit of head energy according to the Imperial system of units at a reference temperature of 60 °F.
British thermal unit (60 ºF)
square metre hour degree Celsius per kilocalorie (international table)
Non SI-conforming unit of the thermal resistance according to the Imperial system of units.
degree Fahrenheit second per British thermal unit (thermochemical)
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)
Acoustics
calorie (thermochemical) per gram kelvin
British thermal unit (international table) per pound degree Rankine
British thermal unit (international table) per second foot degree Rankine
British thermal unit (international table) per pound degree Fahrenheit
calorie (thermochemical) per second centimetre kelvin
kilojoule per kilogram kelvin
British thermal unit (international table) foot per hour square foot degree Fahrenheit
British thermal unit (thermochemical) per degree Fahrenheit
degree Fahrenheit hour per British thermal unit (international table)
kilocalorie (international table)
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
British thermal unit (international table)
British thermal unit (thermochemical) per degree Rankine
British thermal unit (international table) per degree Rankine
degree Fahrenheit hour square foot per British thermal unit (international table) inch
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)
1000-fold of the derived SI unit watt divided by the product of the SI base unit metre and the SI base unit kelvin.
kilowatt per metre kelvin
Unit of heat energy according to the Imperial system of units in a reference temperature of 59 °F.
British thermal unit (59 ºF)
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 in commercial use.
therm (U.S.)
millimetre per degree Celcius metre
joule per kelvin
Boltzmann constant
massieu function, planck function
British thermal unit (international table) inch per hour square foot degree Fahrenheit
square metre kelvin per watt
calorie (thermochemical) per gram degree Celsius
kilojoule per kelvin
millimetre per kelvin
degree Fahrenheit second per British thermal unit (international table)
British thermal unit (thermochemical) foot per hour square foot degree Fahrenheit
degree Fahrenheit hour square foot per British thermal unit (thermochemical)
Synonym: foot squared per second
square foot per second
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
British thermal unit (mean)
degree Fahrenheit hour per British thermal unit (thermochemical)
kelvin metre per watt
watt second
calorie (mean)
15 °C calorie
kilocalorie (thermochemical)