Select Energy unit to convert from:

1/centimeter (atomic physics, eq. energy)

1/meter (atomic physics, eq. energy)

Atomic mass unit (C-12, 1986, eq. energy)

Atomic mass unit (C-12, 1973, eq. energy)

Atomic mass unit (physical, 1960, eq. energy)

Atomic mass unit (1960, eq. energy)

Attojoule

Board of Trade Unit

Btu (15 °C)

Btu (thermoc.)

Btu (Btu (I.T.))

Btu (Btu I.T., pre-1956)

Btu (3.9 °C)

Btu (15.8 °C, ISO)

Btu - Canada (15.8 °C)

Btu (15.6 °C)

Btu (mean)

Calorie (mean)

Calorie (thermoc.)

Calorie (nutritional)

Calorie (kilogram, thermoc.)

Calorie (kilogram, mean)

Calorie (kilogram, I.T.)

Calorie (calorie (I.T.) )

Calorie (20 °C)

Calorie (15 °C, NBS, 1939)

Calorie (15 °C, CIPM, 1950)

Centigrade heat unit (15 °C)

Centigrade heat unit (15.6 °C)

Centigrade heat unit - Canada (15.8 °C)

Centigrade heat unit (15.8 °C, ISO)

Centigrade heat unit (3.9 °C)

Centigrade heat unit (centigrade heat unit I.T., pre-1956)

Centigrade heat unit (centigrade heat unit (I.T.) )

Centigrade heat unit (mean)

Centigrade heat unit (thermoc.)

Centijoule

Centimeter gram-force

Cheval vapeur heure - France

Coal equivalent kilogram (UN, standard)

Coal equivalent metric ton (UN, standard)

Cubic centimeter atmosphere

Cubic foot atmosphere

Cubic foot of liquified petroleum gas (standard)

Cubic foot of natural gas (standard)

Cubic meter atmosphere

Decijoule

Dekajoule

Dekawatthour

Deuteron rest mass (atomic physics, eq. energy)

Dyne centimeter

Electron rest mass (atomic physics, eq. energy)

Electronvolt

Erg

Exajoule

Exawatthour

Femtojoule

Foot pound-force

Foot poundal

Frigorie - France

Gallon of automotive gasoline - USA (liquid)

Gallon of aviation gasoline - USA (liquid)

Gallon of diesel oil - USA (liquid)

Gallon of distillate #2 fuel oil - USA (liquid)

Gallon of jet fuel, kerosene type - USA (liquid)

Gallon of jet fuel, naphtha type - USA (liquid)

Gallon of kerosene - USA (liquid)

Gallon of residual fuel oil - USA (liquid)

Gigaelectronvolt

Gigajoule

Gigawatthour

Gram (atomic physics, eq. energy)

Gram calorie

Hartree (atomic physics, eq. energy)

Hectojoule

Hectowatthour

Hertz (atomic physics, eq. energy)

Horsepower hour

Horsepower hour (metric)

Inch ounce-force

Inch pound-force

Joule

Joule - USA (legal, 1948)

Joule - USA (international)

Kayser (atomic physics, eq. energy)

Kelvin (atomic physics, eq. energy)

Kilocalorie (mean)

Kilocalorie (thermoc.)

Kilocalorie (kilocalorie (I.T.) )

Kiloelectronvolt

Kilogram (atomic physics, eq. energy)

Kilogram calorie (15 °C, NBS, 1939)

Kilogram of water (evaporated from and at 100 °C)

Kilogram of water (heated from 16.7 °C to 100 °C)

Kilogram square meter/square second

Kilojoule

Kilopond meter

Kiloton (metric, explosive energy)

Kilowatthour

Kilowatthour (international, 1948)

Liter atmosphere

Liter atmosphere (pre-1964)

Megaelectronvolt

Megaerg

Megajoule

Megalerg

Megaton (metric, explosive energy)

Megawatthour

Meter kilogram-force

Microjoule

Millijoule

Muon rest mass (atomic physics, eq. energy)

Myriawatthour

Nanojoule

Neutron rest mass (atomic physics, eq. energy)

Newton meter

Petajoule

Petawatthour

Pferdestarkenstunde - Germany

Picojoule

Pound of water (heated from 16.7 °C to 100 °C)

Pound of water (evaporated from and at 100 °C)

Proton rest mass (atomic physics, eq. energy)

Q-unit

Quad

Radian/second (atomic physics, eq. energy)

Rydberg (atomic physics, eq. energy)

Short ton of anthracite coal

Short ton of bituminous coal

Teraelectronvolt

Terajoule

Terawatthour

Therm - EEC (EEC)

Therm - USA

Thermie - France

Ton (metric, explosive energy)

Watthour

Wattsecond

Yoctojoule

Yottajoule

Yottawatthour

Zeptojoule

Zettajoule

Zettawatthour