Home›Energy Conversion

Energy Converter

Adjust the numbers below — results update instantly

From:

joule (J)

kilojoule (kJ)

kilowatt-hour (kW*h)

watt-hour (W*h)

calorie (nutritional)

metric horsepower-hour

BTU (IT) (Btu (IT), Btu)

BTU (TH) (Btu (th))

gigajoule (GJ)

megajoule (MJ)

millijoule (mJ)

microjoule (µJ)

nanojoule (nJ)

attojoule (aJ)

megaelectronvolt (MeV)

kiloelectronvolt (keV)

electronvolt (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:

joule (J) (1)

kilojoule (kJ) (0.001)

kilowatt-hour (kW*h) (2.777778e-7)

watt-hour (W*h) (0.000278)

calorie (nutritional) (0.000239)

metric horsepower-hour (3.776727e-7)

BTU (IT) (Btu (IT), Btu) (0.000948)

BTU (TH) (Btu (th)) (0.000948)

gigajoule (GJ) (1e-9)

megajoule (MJ) (0.000001)

millijoule (mJ) (1000)

microjoule (µJ) (1000000)

nanojoule (nJ) (1000000000)

attojoule (aJ) (1e+18)

megaelectronvolt (MeV) (6.241509e+12)

kiloelectronvolt (keV) (6.241509e+15)

electronvolt (eV) (6.241509e+18)

erg (10000000)

gigawatt-hour (GW*h) (2.777778e-13)

megawatt-hour (MW*h) (2.777778e-10)

kilowatt-second (kW*s) (0.001)

watt-second (W*s) (1)

newton-meter (N*m) (1)

horsepower-hour (hp*h) (3.725061e-7)

kilocalorie (IT) (kcal (IT)) (0.000239)

kilocalorie (TH) (kcal (th)) (0.000239)

calorie (IT) (cal (IT), cal) (0.238846)

calorie (TH) (cal (th)) (0.239006)

mega BTU (IT) (MBtu (IT)) (9.478171e-10)

ton-hour (refrigeration) (7.898476e-8)

fuel oil equivalent @ kiloliter (2.487709e-11)

fuel oil equivalent @ barrel (US) (1.56664e-10)

gigaton (Gton) (2.390057e-19)

megaton (Mton) (2.390057e-16)

kiloton (kton) (2.390057e-13)

ton (explosives) (2.390057e-10)

dyne-centimeter (dyn*cm) (10000000)

gram-force meter (gf*m) (101.971621)

gram-force centimeter (10197.16213)

kilogram-force centimeter (10.197162)

kilogram-force meter (0.101972)

kilopond meter (kp*m) (0.101972)

pound-force foot (lbf*ft) (0.737562)

pound-force inch (lbf*in) (8.850746)

ounce-force inch (ozf*in) (141.611933)

foot-pound (ft*lbf) (0.737562)

inch-pound (in*lbf) (8.850746)

inch-ounce (in*ozf) (141.611933)

poundal foot (pdl*ft) (23.73036)

therm (9.47817e-9)

therm (EC) (9.47817e-9)

therm (US) (9.480434e-9)

Hartree energy (2.29371e+17)

Rydberg constant (4.587421e+17)

Result: 1 J = 0.001 kJ

Calculation

1J × (1 / 1000) = 0.001kJ

Most popular Energy conversions

Full list of Energy units with conversion links and formulas

Joule [J] is the base unit for Energy.

1 kilojoule [kJ] = 1000 joule [J]
kilojoule to joule joule to kilojoule
1 kilowatt-hour [kW*h] = 3600000 joule [J]
kilowatt-hour to joule joule to kilowatt-hour
1 watt-hour [W*h] = 3600 joule [J]
watt-hour to joule joule to watt-hour
1 calorie (nutritional) [] = 4186.8 joule [J]
calorie (nutritional) to joule joule to calorie (nutritional)
1 metric horsepower-hour [] = 2647795.5 joule [J]
metric horsepower-hour to joule joule to metric horsepower-hour
1 BTU (IT) [Btu (IT), Btu] = 1055.05585262 joule [J]
BTU (IT) to joule joule to BTU (IT)
1 BTU (TH) [Btu (th)] = 1054.3499999744 joule [J]
BTU (TH) to joule joule to BTU (TH)
1 gigajoule [GJ] = 1000000000 joule [J]
gigajoule to joule joule to gigajoule
1 megajoule [MJ] = 1000000 joule [J]
megajoule to joule joule to megajoule
1 millijoule [mJ] = 0.001 joule [J]
millijoule to joule joule to millijoule
1 microjoule [µJ] = 0.000001 joule [J]
microjoule to joule joule to microjoule
1 nanojoule [nJ] = 1e-9 joule [J]
nanojoule to joule joule to nanojoule
1 attojoule [aJ] = 1e-18 joule [J]
attojoule to joule joule to attojoule
1 megaelectronvolt [MeV] = 1.6021766339999e-13 joule [J]
megaelectronvolt to joule joule to megaelectronvolt
1 kiloelectronvolt [keV] = 1.6021766339999e-16 joule [J]
kiloelectronvolt to joule joule to kiloelectronvolt
1 electronvolt [eV] = 1.6021766339999e-19 joule [J]
electronvolt to joule joule to electronvolt
1 erg [] = 1e-7 joule [J]
erg to joule joule to erg
1 gigawatt-hour [GW*h] = 3600000000000 joule [J]
gigawatt-hour to joule joule to gigawatt-hour
1 megawatt-hour [MW*h] = 3600000000 joule [J]
megawatt-hour to joule joule to megawatt-hour
1 kilowatt-second [kW*s] = 1000 joule [J]
kilowatt-second to joule joule to kilowatt-second
1 horsepower-hour [hp*h] = 2684519.5368856 joule [J]
horsepower-hour to joule joule to horsepower-hour
1 kilocalorie (IT) [kcal (IT)] = 4186.8 joule [J]
kilocalorie (IT) to joule joule to kilocalorie (IT)
1 kilocalorie (TH) [kcal (th)] = 4184 joule [J]
kilocalorie (TH) to joule joule to kilocalorie (TH)
1 calorie (IT) [cal (IT), cal] = 4.1868 joule [J]
calorie (IT) to joule joule to calorie (IT)
1 calorie (TH) [cal (th)] = 4.184 joule [J]
calorie (TH) to joule joule to calorie (TH)
1 mega BTU (IT) [MBtu (IT)] = 1055055852.62 joule [J]
mega BTU (IT) to joule joule to mega BTU (IT)
1 ton-hour (refrigeration) [] = 12660670.23144 joule [J]
ton-hour (refrigeration) to joule joule to ton-hour (refrigeration)
1 fuel oil equivalent @ kiloliter [] = 40197627984.822 joule [J]
fuel oil equivalent @ kiloliter to joule joule to fuel oil equivalent @ kiloliter
1 fuel oil equivalent @ barrel (US) [] = 6383087908.3509 joule [J]
fuel oil equivalent @ barrel (US) to joule joule to fuel oil equivalent @ barrel (US)
1 gigaton [Gton] = 4184000000000000000 joule [J]
gigaton to joule joule to gigaton
1 megaton [Mton] = 4184000000000000 joule [J]
megaton to joule joule to megaton
1 kiloton [kton] = 4184000000000 joule [J]
kiloton to joule joule to kiloton
1 ton (explosives) [] = 4184000000 joule [J]
ton (explosives) to joule joule to ton (explosives)
1 dyne-centimeter [dyn*cm] = 1e-7 joule [J]
dyne-centimeter to joule joule to dyne-centimeter
1 gram-force meter [gf*m] = 0.00980665 joule [J]
gram-force meter to joule joule to gram-force meter
1 gram-force centimeter [] = 0.0000980665 joule [J]
gram-force centimeter to joule joule to gram-force centimeter
1 kilogram-force centimeter [] = 0.0980665 joule [J]
kilogram-force centimeter to joule joule to kilogram-force centimeter
1 kilogram-force meter [] = 9.8066499997 joule [J]
kilogram-force meter to joule joule to kilogram-force meter
1 kilopond meter [kp*m] = 9.8066499997 joule [J]
kilopond meter to joule joule to kilopond meter
1 pound-force foot [lbf*ft] = 1.3558179483 joule [J]
pound-force foot to joule joule to pound-force foot
1 pound-force inch [lbf*in] = 0.112984829 joule [J]
pound-force inch to joule joule to pound-force inch
1 ounce-force inch [ozf*in] = 0.0070615518 joule [J]
ounce-force inch to joule joule to ounce-force inch
1 foot-pound [ft*lbf] = 1.3558179483 joule [J]
foot-pound to joule joule to foot-pound
1 inch-pound [in*lbf] = 0.112984829 joule [J]
inch-pound to joule joule to inch-pound
1 inch-ounce [in*ozf] = 0.0070615518 joule [J]
inch-ounce to joule joule to inch-ounce
1 poundal foot [pdl*ft] = 0.04214011 joule [J]
poundal foot to joule joule to poundal foot
1 therm [] = 105505600 joule [J]
therm to joule joule to therm
1 therm (EC) [] = 105505600 joule [J]
therm (EC) to joule joule to therm (EC)
1 therm (US) [] = 105480400 joule [J]
therm (US) to joule joule to therm (US)
1 Hartree energy [] = 4.3597482e-18 joule [J]
Hartree energy to joule joule to Hartree energy
1 Rydberg constant [] = 2.1798741e-18 joule [J]
Rydberg constant to joule joule to Rydberg constant