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Menu
Energy Converter
Convert energy values between common units quickly and accurately.
Energy Value
From Unit
joule [J]
kilojoule [kJ]
kilowatt-hour [kW*h]
watt-hour [W*h]
calorie (nutritional)
horsepower (metric) hour
Btu (IT) [Btu (IT), Btu]
Btu (th) [Btu (th)]
gigajoule [GJ]
megajoule [MJ]
millijoule [mJ]
microjoule [µJ]
nanojoule [nJ]
attojoule [aJ]
megaelectron-volt [MeV]
kiloelectron-volt [keV]
electron-volt [eV]
erg
gigawatt-hour [GW*h]
megawatt-hour [MW*h]
kilowatt-second [kW*s]
watt-second [W*s]
newton meter [N*m]
horsepower hour [hp*h]
kilocalorie (IT) [kcal (IT)]
kilocalorie (th) [kcal (th)]
calorie (IT) [cal (IT), cal]
calorie (th) [cal (th)]
mega Btu (IT) [MBtu (IT)]
ton-hour (refrigeration)
fuel oil equivalent @kiloliter
fuel oil equivalent @barrel (US)
gigaton [Gton]
megaton [Mton]
kiloton [kton]
ton (explosives)
dyne centimeter [dyn*cm]
gram-force meter [gf*m]
gram-force centimeter
kilogram-force centimeter
kilogram-force meter
kilopond meter [kp*m]
pound-force foot [lbf*ft]
pound-force inch [lbf*in]
ounce-force inch [ozf*in]
foot-pound [ft*lbf]
inch-pound [in*lbf]
inch-ounce [in*ozf]
poundal foot [pdl*ft]
therm
therm (EC)
therm (US)
Hartree energy
Rydberg constant
To Unit
joule [J]
kilojoule [kJ]
kilowatt-hour [kW*h]
watt-hour [W*h]
calorie (nutritional)
horsepower (metric) hour
Btu (IT) [Btu (IT), Btu]
Btu (th) [Btu (th)]
gigajoule [GJ]
megajoule [MJ]
millijoule [mJ]
microjoule [µJ]
nanojoule [nJ]
attojoule [aJ]
megaelectron-volt [MeV]
kiloelectron-volt [keV]
electron-volt [eV]
erg
gigawatt-hour [GW*h]
megawatt-hour [MW*h]
kilowatt-second [kW*s]
watt-second [W*s]
newton meter [N*m]
horsepower hour [hp*h]
kilocalorie (IT) [kcal (IT)]
kilocalorie (th) [kcal (th)]
calorie (IT) [cal (IT), cal]
calorie (th) [cal (th)]
mega Btu (IT) [MBtu (IT)]
ton-hour (refrigeration)
fuel oil equivalent @kiloliter
fuel oil equivalent @barrel (US)
gigaton [Gton]
megaton [Mton]
kiloton [kton]
ton (explosives)
dyne centimeter [dyn*cm]
gram-force meter [gf*m]
gram-force centimeter
kilogram-force centimeter
kilogram-force meter
kilopond meter [kp*m]
pound-force foot [lbf*ft]
pound-force inch [lbf*in]
ounce-force inch [ozf*in]
foot-pound [ft*lbf]
inch-pound [in*lbf]
inch-ounce [in*ozf]
poundal foot [pdl*ft]
therm
therm (EC)
therm (US)
Hartree energy
Rydberg constant
Convert