Select Energy unit to convert from:

Convert from 1/centimeter (atomic physics, eq. energy)

Convert from 1/meter (atomic physics, eq. energy)

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

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

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

Convert from Atomic mass unit (1960, eq. energy)

Convert from Attojoule

Convert from Board of Trade Unit

Convert from Btu (15 °C)

Convert from Btu (thermoc.)

Convert from Btu (Btu (I.T.))

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

Convert from Btu (3.9 °C)

Convert from Btu (15.8 °C, ISO)

Convert from Btu - Canada (15.8 °C)

Convert from Btu (15.6 °C)

Convert from Btu (mean)

Convert from Calorie (mean)

Convert from Calorie (thermoc.)

Convert from Calorie (nutritional)

Convert from Calorie (kilogram, thermoc.)

Convert from Calorie (kilogram, mean)

Convert from Calorie (kilogram, I.T.)

Convert from Calorie (calorie (I.T.) )

Convert from Calorie (20 °C)

Convert from Calorie (15 °C, NBS, 1939)

Convert from Calorie (15 °C, CIPM, 1950)

Convert from Centigrade heat unit (15 °C)

Convert from Centigrade heat unit (15.6 °C)

Convert from Centigrade heat unit - Canada (15.8 °C)

Convert from Centigrade heat unit (15.8 °C, ISO)

Convert from Centigrade heat unit (3.9 °C)

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

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

Convert from Centigrade heat unit (mean)

Convert from Centigrade heat unit (thermoc.)

Convert from Centijoule

Convert from Centimeter gram-force

Convert from Cheval vapeur heure - France

Convert from Coal equivalent kilogram (UN, standard)

Convert from Coal equivalent metric ton (UN, standard)

Convert from Cubic centimeter atmosphere

Convert from Cubic foot atmosphere

Convert from Cubic foot of liquified petroleum gas (standard)

Convert from Cubic foot of natural gas (standard)

Convert from Cubic meter atmosphere

Convert from Decijoule

Convert from Dekajoule

Convert from Dekawatthour

Convert from Deuteron rest mass (atomic physics, eq. energy)

Convert from Dyne centimeter

Convert from Electron rest mass (atomic physics, eq. energy)

Convert from Electronvolt

Convert from Erg

Convert from Exajoule

Convert from Exawatthour

Convert from Femtojoule

Convert from Foot pound-force

Convert from Foot poundal

Convert from Frigorie - France

Convert from Gallon of automotive gasoline - USA (liquid)

Convert from Gallon of aviation gasoline - USA (liquid)

Convert from Gallon of diesel oil - USA (liquid)

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

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

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

Convert from Gallon of kerosene - USA (liquid)

Convert from Gallon of residual fuel oil - USA (liquid)

Convert from Gigaelectronvolt

Convert from Gigajoule

Convert from Gigawatthour

Convert from Gram (atomic physics, eq. energy)

Convert from Gram calorie

Convert from Hartree (atomic physics, eq. energy)

Convert from Hectojoule

Convert from Hectowatthour

Convert from Hertz (atomic physics, eq. energy)

Convert from Horsepower hour

Convert from Horsepower hour (metric)

Convert from Inch ounce-force

Convert from Inch pound-force

Convert from Joule

Convert from Joule - USA (legal, 1948)

Convert from Joule - USA (international)

Convert from Kayser (atomic physics, eq. energy)

Convert from Kelvin (atomic physics, eq. energy)

Convert from Kilocalorie (mean)

Convert from Kilocalorie (thermoc.)

Convert from Kilocalorie (kilocalorie (I.T.) )

Convert from Kiloelectronvolt

Convert from Kilogram (atomic physics, eq. energy)

Convert from Kilogram calorie (15 °C, NBS, 1939)

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

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

Convert from Kilogram square meter/square second

Convert from Kilojoule

Convert from Kilopond meter

Convert from Kiloton (metric, explosive energy)

Convert from Kilowatthour

Convert from Kilowatthour (international, 1948)

Convert from Liter atmosphere

Convert from Liter atmosphere (pre-1964)

Convert from Megaelectronvolt

Convert from Megaerg

Convert from Megajoule

Convert from Megalerg

Convert from Megaton (metric, explosive energy)

Convert from Megawatthour

Convert from Meter kilogram-force

Convert from Microjoule

Convert from Millijoule

Convert from Muon rest mass (atomic physics, eq. energy)

Convert from Myriawatthour

Convert from Nanojoule

Convert from Neutron rest mass (atomic physics, eq. energy)

Convert from Newton meter

Convert from Petajoule

Convert from Petawatthour

Convert from Pferdestarkenstunde - Germany

Convert from Picojoule

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

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

Convert from Proton rest mass (atomic physics, eq. energy)

Convert from Q-unit

Convert from Quad

Convert from Radian/second (atomic physics, eq. energy)

Convert from Rydberg (atomic physics, eq. energy)

Convert from Short ton of anthracite coal

Convert from Short ton of bituminous coal

Convert from Teraelectronvolt

Convert from Terajoule

Convert from Terawatthour

Convert from Therm - EEC (EEC)

Convert from Therm - USA

Convert from Thermie - France

Convert from Ton (metric, explosive energy)

Convert from Watthour

Convert from Wattsecond

Convert from Yoctojoule

Convert from Yottajoule

Convert from Yottawatthour

Convert from Zeptojoule

Convert from Zettajoule

Convert from Zettawatthour