millijoule
type: Concept
in scheme: unit-of-measure
notation: C15
conversion multiplier: 0.001
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: mJ
unit symbol: mJ

gray
type: Concept
in scheme: unit-of-measure
notation: A95
conversion multiplier: 1.0
dimension vector: L2 T-2
rec20 quantity: specific energy imparted, massic energy imparted
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: Gy
unit symbol: Gy

erg per centimetre
type: Concept
deprecated: true
in scheme: unit-of-measure
notation: A58
conversion multiplier: 1e-05
dimension vector: L1 M1 T-2
rec20 quantity: linear energy transfer
rec20 quantity: total linear stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: erg.cm-1
unit symbol: erg/cm

kilowatt hour
type: Concept
in scheme: unit-of-measure
notation: KWH
conversion multiplier: 3600000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: kW.h
unit symbol: kW·h

kiloelectronvolt
type: Concept
in scheme: unit-of-measure
notation: B29
conversion multiplier: 1.602176634e-16
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: keV
unit symbol: keV

joule per mole
type: Concept
in scheme: unit-of-measure
notation: B15
conversion multiplier: 1.0
dimension vector: N-1 L2 M1 T-2
rec20 quantity: molar thermodynamic energy
rec20 quantity: affinity (of a chemical reaction)
rec20 quantity: chemical potential
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: J.mol-1
unit symbol: J/mol

British thermal unit (international table) per pound
type: Concept
in scheme: unit-of-measure
notation: AZ
conversion multiplier: 2326.0
dimension vector: L2 T-2
rec20 quantity: massic Helmholtz free energy
rec20 sector: Heat
ucum code: [Btu_IT].[lb_av]-1
unit symbol: BtuIT/lb

watt per square metre
type: Concept
in scheme: unit-of-measure
notation: D54
conversion multiplier: 1.0
dimension vector: M1 T-3
rec20 quantity: Poynting vector
rec20 quantity: energy fluence rate, (energy flux density)
rec20 quantity: sound intensity
rec20 quantity: density of heat flow rate
rec20 quantity: radiant energy, fluence rate, radiant exitance, irradiance, first radiation constant
rec20 sector: Heat
rec20 sector: Acoustics
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Electricity and Magnetism
ucum code: W.m-2
unit symbol: W/m²

calorie (thermochemical) per square centimetre
type: Concept
definition: Unit of the areal-related energy transmission according to the Imperial system of units.
in scheme: unit-of-measure
notation: P39
conversion multiplier: 41840.0
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: cal_th.cm-2
unit symbol: calth/cm²

kilojoule per mole
type: Concept
in scheme: unit-of-measure
notation: B44
conversion multiplier: 1000.0
dimension vector: N-1 L2 M1 T-2
rec20 quantity: molar thermodynamic energy
rec20 sector: Physical Chemistry and Molecular Physics
ucum code: kJ.mol-1
unit symbol: kJ/mol

megawatt hour (1000 kW.h)
type: Concept
definition: A unit of power defining the total amount of bulk energy transferred or consumed.
in scheme: unit-of-measure
notation: MWH
conversion multiplier: 3600000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: MW.h
unit symbol: MW·h

foot pound-force
type: Concept
in scheme: unit-of-measure
notation: 85
conversion multiplier: 1.35581807
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: [ft_i].[lbf_av]
unit symbol: ft·lbf

gigaelectronvolt
type: Concept
in scheme: unit-of-measure
notation: A85
conversion multiplier: 1.602176634e-10
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: GeV
unit symbol: GeV

joule
type: Concept
in scheme: unit-of-measure
notation: JOU
conversion multiplier: 1.0
dimension vector: L2 M1 T-2
rec20 quantity: Hartree energy
rec20 quantity: level width, alpha disintegration energy
rec20 quantity: reaction energy
rec20 quantity: work function
rec20 quantity: heat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 quantity: radiant energy
rec20 quantity: energy imparted, mean energy imparted
rec20 quantity: active energy
rec20 sector: Heat
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Electricity and Magnetism
rec20 sector: Mechanics
rec20 sector: Solid State Physics
ucum code: J
unit symbol: J

British thermal unit (international table) per square foot
type: Concept
definition: Unit of the areal-related energy transmission according to the Imperial system of units.
in scheme: unit-of-measure
notation: P37
conversion multiplier: 11356.5267
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: [Btu_IT].[ft_i]-2
unit symbol: BtuIT/ft²

milligray
type: Concept
in scheme: unit-of-measure
notation: C13
conversion multiplier: 0.001
dimension vector: L2 T-2
rec20 quantity: specific energy imparted, massic energy imparted
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: mGy
unit symbol: mGy

erg per square centimetre second
type: Concept
deprecated: true
in scheme: unit-of-measure
notation: A65
conversion multiplier: 0.001
dimension vector: M1 T-3
rec20 quantity: energy fluence rate, (energy flux density)
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: erg.cm-2.s-1
unit symbol: erg/(cm²·s)

gigajoule
type: Concept
in scheme: unit-of-measure
notation: GV
conversion multiplier: 1000000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: GJ
unit symbol: GJ

electronvolt per metre
type: Concept
in scheme: unit-of-measure
notation: A54
conversion multiplier: 1.602176634e-19
dimension vector: L1 M1 T-2
rec20 quantity: linear energy transfer
rec20 quantity: total linear stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: eV.m-1
unit symbol: eV/m

petajoule
type: Concept
in scheme: unit-of-measure
notation: C68
conversion multiplier: 1000000000000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: PJ
unit symbol: PJ

Energy, work, heat units
type: Collection
definition: Units of measure grouped by quantity kind: energy, work, heat.
member: electronvolt per metre
member: joule per gram
member: electronvolt
member: kilojoule per mole
member: inch poundal
member: joule per mole
member: watt hour
member: attojoule
member: kilojoule per kilogram
member: exajoule
member: langley
member: watt per cubic metre
member: erg per centimetre
member: kilojoule
member: joule per square metre
member: joule per square centimetre
member: megawatt hour (1000 kW.h)
member: British thermal unit (thermochemical) per square foot
member: calorie (international table) per gram
member: foot poundal
member: British thermal unit (international table) per square foot
member: petajoule
member: joule per kilogram
member: millijoule
member: milligray
member: gigaelectronvolt
member: British thermal unit (thermochemical) per pound
member: calorie (thermochemical) per square centimetre
member: erg per square centimetre second
member: terajoule
member: gigajoule
member: watt per square metre
member: one
member: pound-force foot per pound
member: kilogram-force metre
member: femtojoule
member: watt per metre
member: erg
member: kilojoule per gram
member: gray
member: gigawatt hour
member: kiloelectronvolt
member: joule per metre
member: kilowatt hour
member: foot pound-force
member: terawatt hour
member: megajoule per kilogram
member: megaelectronvolt
member: joule
member: British thermal unit (international table) per pound
member: megajoule

watt hour
type: Concept
in scheme: unit-of-measure
notation: WHR
conversion multiplier: 3600.0
dimension vector: L2 M1 T-2
rec20 quantity: active energy
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Electricity and Magnetism
rec20 sector: Mechanics
ucum code: W.h
unit symbol: W·h

foot poundal
type: Concept
definition: Unit of the work (force-path).
in scheme: unit-of-measure
notation: N46
conversion multiplier: 0.0421401100938048
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: [ft_i].[lb_av].[ft_i].s-2
unit symbol: ft·pdl

kilojoule
type: Concept
in scheme: unit-of-measure
notation: KJO
conversion multiplier: 1000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: kJ
unit symbol: kJ

terawatt hour
type: Concept
in scheme: unit-of-measure
notation: D32
conversion multiplier: 3600000000000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: TW/h
unit symbol: TW·h

watt per cubic metre
type: Concept
in scheme: unit-of-measure
notation: H47
conversion multiplier: 1.0
dimension vector: L-1 M1 T-3
rec20 quantity: radiant energy, fluence rate, radiant exitance, irradiance, first radiation constant
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: W.m-3
unit symbol: W/m³

kilogram-force metre
type: Concept
deprecated: true
in scheme: unit-of-measure
notation: B38
conversion multiplier: 9.80665
dimension vector: L2 M1 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: kgf.m
unit symbol: kgf·m

electronvolt
type: Concept
in scheme: unit-of-measure
notation: A53
conversion multiplier: 1.602176634e-19
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 quantity: Fermi energy
rec20 quantity: maximum beta particle energy, beta disintegration energy
rec20 quantity: resonance energy
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Atomic and Nuclear Physics
rec20 sector: Mechanics
rec20 sector: Solid State Physics
ucum code: eV
unit symbol: eV

one
type: Concept
definition: Synonym: unit
in scheme: unit-of-measure
notation: C62
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: Fourier number
rec20 quantity: relative mass excess, relative mass defect
rec20 quantity: thermal diffusion ratio, thermal diffusion factor
rec20 quantity: linear strain, relative elongation, shear strain, volume or bulk strain
rec20 quantity: spectral absorption factor, spectral absorptance, spectral reflectionfactor,spectral reflectance, spectral transmission factor, spectral transmittance, spectral radiance factor
rec20 quantity: standard absolute activity of B (in a gaseous mixture)
rec20 quantity: Prandtl number
rec20 quantity: CIE colorimetric functions
rec20 quantity: reactivity
rec20 quantity: proton number, atomic number
rec20 quantity: Madelung constant
rec20 quantity: Debye-Walle factor
rec20 quantity: Alfven number
rec20 quantity: relative atomic mass
rec20 quantity: absolute activity
rec20 quantity: Nusselt number
rec20 quantity: Strouhal number
rec20 quantity: charge number of ion
rec20 quantity: Peclet number
rec20 quantity: stoichiometric number of B
rec20 quantity: proton number
rec20 quantity: Lewis number
rec20 quantity: Landau-Ginzburg number
rec20 quantity: mobility ratio
rec20 quantity: Froude number
rec20 quantity: degree of dissociation
rec20 quantity: number of turns in a winding, number of phases, number of pairs of poles
rec20 quantity: Reynolds number
rec20 quantity: coordinates trichromatic
rec20 quantity: fast fission factor
rec20 quantity: 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)
rec20 quantity: emissivity, spectral emissivity, emissivity at a specified wavelength, directional spectral emissivity
rec20 quantity: Cowling number
rec20 quantity: Knudsen number
rec20 quantity: poisson ratio, poisson number
rec20 quantity: multiplication factor, infinite medium multiplication factor, effective multiplication factor
rec20 quantity: nucleon number, mass number
rec20 quantity: fine structure constant
rec20 quantity: packing fraction, binding fraction
rec20 quantity: statistical weight
rec20 quantity: average logarithmic energy decrement
rec20 quantity: friction factor, coefficient of friction
rec20 quantity: magnetic quantum number
rec20 quantity: short-range order parameter, long-range order parameter
rec20 quantity: Grashof number
rec20 quantity: thermal utilization factor
rec20 quantity: mole fraction of B, mole ratio of solute B
rec20 quantity: Euler number
rec20 quantity: Nusselt number for mass transfer
rec20 quantity: total angular momentum quantum number
rec20 quantity: Grashof number for mass transfer
rec20 quantity: activity coefficient of solute B (especially in a dilute solution),standard absolute activity of solute B (especially in a dilute solution)
rec20 quantity: number of molecules or other elementary entities
rec20 quantity: standard equilibrium constant
rec20 quantity: neutron yield per fission, neutron yield per absorption
rec20 quantity: Fourier number for mass transfer
rec20 quantity: Stanton number for mass transfer
rec20 quantity: dissipation factor, dissipance, reflection factor, reflectance, transmission factor, transmittance, absorption factor, absorbance
rec20 quantity: nuclear spin quantum number
rec20 quantity: coupling coefficient, leakage coefficient
rec20 quantity: Mach number
rec20 quantity: Rayleigh number
rec20 quantity: Grüneisen parameter
rec20 quantity: Stanton number
rec20 quantity: electric susceptibility
rec20 quantity: Weber number
rec20 quantity: relative density, relative mass density
rec20 quantity: orbital angular momentum quantum number
rec20 quantity: refractive index
rec20 quantity: lethargy
rec20 quantity: Peclet number for mass transfer
rec20 quantity: optical density
rec20 quantity: luminous efficiency, spectral luminous efficiency,luminous efficiency at a specified wavelength

exajoule
type: Concept
in scheme: unit-of-measure
notation: A68
conversion multiplier: 1e+18
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: EJ
unit symbol: EJ

megajoule per kilogram
type: Concept
in scheme: unit-of-measure
notation: JK
conversion multiplier: 1000000.0
dimension vector: L2 T-2
rec20 quantity: specific thermodynamic energy
rec20 sector: Heat
ucum code: MJ.kg-1
unit symbol: MJ/kg

joule per gram
type: Concept
in scheme: unit-of-measure
notation: D95
conversion multiplier: 1000.0
dimension vector: L2 T-2
rec20 quantity: massic thermodynamic energy
rec20 sector: Heat
ucum code: J.g-1
unit symbol: J/g

megajoule
type: Concept
in scheme: unit-of-measure
notation: 3B
conversion multiplier: 1000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: MJ
unit symbol: MJ

joule per square centimetre
type: Concept
definition: A unit of energy defining the number of joules per square centimetre.
in scheme: unit-of-measure
notation: E43
conversion multiplier: 10000.0
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: J.cm-2
unit symbol: J/cm²

femtojoule
type: Concept
in scheme: unit-of-measure
notation: A70
conversion multiplier: 1e-15
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 quantity: gap energy
rec20 sector: Mechanics
rec20 sector: Solid State Physics
ucum code: fJ
unit symbol: fJ

joule per metre
type: Concept
in scheme: unit-of-measure
notation: B12
conversion multiplier: 1.0
dimension vector: L1 M1 T-2
rec20 quantity: linear energy transfer
rec20 quantity: total linear stopping power
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: J.m-1
unit symbol: J/m

British thermal unit (thermochemical) per square foot
type: Concept
definition: Unit of the areal-related energy transmission according to the Imperial system of units.
in scheme: unit-of-measure
notation: P38
conversion multiplier: 11348.931794912201
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: [Btu_th].[ft_i]-2
unit symbol: Btuth/ft²

joule per kilogram
type: Concept
in scheme: unit-of-measure
notation: J2
conversion multiplier: 1.0
dimension vector: L2 T-2
rec20 quantity: massic energy, specific energy
rec20 sector: Heat
ucum code: J.kg-1
unit symbol: J/kg

gigawatt hour
type: Concept
in scheme: unit-of-measure
notation: GWH
conversion multiplier: 3600000000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: GW.h
unit symbol: GW·h

kilojoule per kilogram
type: Concept
in scheme: unit-of-measure
notation: B42
conversion multiplier: 1000.0
dimension vector: L2 T-2
rec20 quantity: massic enthalpy, specific enthalpy
rec20 sector: Heat
ucum code: kJ.kg-1
unit symbol: kJ/kg

kilojoule per gram
type: Concept
in scheme: unit-of-measure
notation: Q31
rec20 quantity: massic thermodynamic energy
rec20 sector: Heat
unit symbol: kJ/g

erg
type: Concept
deprecated: true
in scheme: unit-of-measure
notation: A57
conversion multiplier: 1e-07
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 quantity: average energy loss per ion, pair formed, (average energy loss per elementary charge of the same sign produced)
rec20 sector: Nuclear Reactions and Ionizing Radiations
rec20 sector: Mechanics
ucum code: erg
unit symbol: erg

calorie (international table) per gram
type: Concept
deprecated: true
in scheme: unit-of-measure
notation: D75
conversion multiplier: 4186.8
dimension vector: L2 T-2
rec20 quantity: specific Helmholtz free energy
rec20 sector: Heat
ucum code: cal_IT.g-1
unit symbol: calIT/g

watt per metre
type: Concept
in scheme: unit-of-measure
notation: H74
conversion multiplier: 1.0
dimension vector: L1 M1 T-3
rec20 quantity: radiant energy, fluence rate, radiant exitance, irradiance, first radiation constant
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: W.m-1
unit symbol: W/m

British thermal unit (thermochemical) per pound
type: Concept
definition: Unit of the heat energy according to the Imperial system of units divided the unit avoirdupois pound according to the avoirdupois system of units.
in scheme: unit-of-measure
notation: N73
conversion multiplier: 2324.443861
dimension vector: L2 T-2
rec20 quantity: massic Helmholtz free energy,
rec20 sector: Heat
ucum code: [Btu_th].[lb_av]-1
unit symbol: Btuth/lb

attojoule
type: Concept
in scheme: unit-of-measure
notation: A13
conversion multiplier: 1e-18
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 quantity: donor ionization energy, acceptor ionization energy, exchange intergral, superconductor energy gap, electron affinity
rec20 sector: Solid State Physics
rec20 sector: Mechanics
ucum code: aJ
unit symbol: aJ

pound-force foot per pound
type: Concept
in scheme: unit-of-measure
notation: G20
conversion multiplier: 2989.067
dimension vector: L2 T-2
rec20 quantity: moment of force, moment of a couple, torque
rec20 quantity: work per unit weight
rec20 sector: Mechanics
ucum code: [lbf_av].[ft_i].[lb_av]-1
unit symbol: lbf·ft/lb

megaelectronvolt
type: Concept
in scheme: unit-of-measure
notation: B71
conversion multiplier: 1.602176634e-13
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: MeV
unit symbol: MeV

joule per square metre
type: Concept
definition: Synonym: joule per metre squared
in scheme: unit-of-measure
notation: B13
conversion multiplier: 1.0
dimension vector: M1 T-2
rec20 quantity: energy fluence
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
rec20 sector: Nuclear Reactions and Ionizing Radiations
ucum code: J.m-2
unit symbol: J/m²

langley
type: Concept
definition: 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).
in scheme: unit-of-measure
notation: P40
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
unit symbol: Ly

terajoule
type: Concept
in scheme: unit-of-measure
notation: D30
conversion multiplier: 1000000000000.0
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: TJ
unit symbol: TJ

inch poundal
type: Concept
definition: Unit of work (force multiplied by path) according to the Imperial system of units as a product unit inch multiplied by poundal.
in scheme: unit-of-measure
notation: N47
conversion multiplier: 0.0035116758411504
dimension vector: L2 M1 T-2
rec20 quantity: work, energy, potential energy, kinetic energy
rec20 sector: Mechanics
ucum code: [in_i].[lb_av].[ft_i].s-2
unit symbol: in·pdl