Convert Kilojoule to Joule (kJ to J)

Joule (J)
Kilojoule (kJ)
Megajoule (MJ)
Gigajoule (GJ)
Kilowatt-hour (kWh)
Megawatt-hour (MWh)
Watt-hour (Wh)
Calorie (cal)
Kilocalorie (kcal)
British Thermal Unit (BTU)
Therm (therm)
Quad (quad)
Electronvolt (eV)
Kiloelectronvolt (keV)
Megaelectronvolt (MeV)
Gigaelectronvolt (GeV)
Erg (erg)
Foot-pound (ft·lb)
Inch-pound (in·lb)
Newton-meter (N·m)
Dyne-centimeter (dyn·cm)
Gram-force-centimeter (gf·cm)
Kilogram-force-meter (kgf·m)
Pound-force-foot (lbf·ft)
Pound-force-inch (lbf·in)
Horsepower-hour (hp·h)
Ton-hour (Refrigeration) (ton·h)
Barrel Oil Equivalent (BOE)
Ton Coal Equivalent (TCE)
Ton Oil Equivalent (TOE)
Gallon Gasoline Equivalent (GGE)
Liter Gasoline Equivalent (LGE)
Joule (J)
Kilojoule (kJ)
Megajoule (MJ)
Gigajoule (GJ)
Kilowatt-hour (kWh)
Megawatt-hour (MWh)
Watt-hour (Wh)
Calorie (cal)
Kilocalorie (kcal)
British Thermal Unit (BTU)
Therm (therm)
Quad (quad)
Electronvolt (eV)
Kiloelectronvolt (keV)
Megaelectronvolt (MeV)
Gigaelectronvolt (GeV)
Erg (erg)
Foot-pound (ft·lb)
Inch-pound (in·lb)
Newton-meter (N·m)
Dyne-centimeter (dyn·cm)
Gram-force-centimeter (gf·cm)
Kilogram-force-meter (kgf·m)
Pound-force-foot (lbf·ft)
Pound-force-inch (lbf·in)
Horsepower-hour (hp·h)
Ton-hour (Refrigeration) (ton·h)
Barrel Oil Equivalent (BOE)
Ton Coal Equivalent (TCE)
Ton Oil Equivalent (TOE)
Gallon Gasoline Equivalent (GGE)
Liter Gasoline Equivalent (LGE)
Convert Joule to Kilojoule

1 kilojoule = 1,000 joule.

To convert kilojoule to joule, multiply the value by 1,000.

Example: 20 kJ = 20,000 J.

Kilojoule to Joule conversion table

KilojouleJoule
1 kJ1,000 J
2 kJ2,000 J
3 kJ3,000 J
4 kJ4,000 J
5 kJ5,000 J
10 kJ10,000 J
20 kJ20,000 J
25 kJ25,000 J
50 kJ50,000 J
100 kJ100,000 J
500 kJ500,000 J
1,000 kJ1,000,000 J

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Frequently asked questions

How many joule are in a kilojoule?
There are 1,000 joule in 1 kilojoule.
How do I convert kilojoule to joule?
To convert kilojoule to joule, multiply the value by 1,000.