›› Measurement unit: kilojoules

Full name: kilojoule

Plural form: kilojoules

Symbol: kJ

Category type: energy

Scale factor: 1000


›› SI unit: joule

The SI derived unit for energy is the joule.
1 joule is equal to 0.001 kilojoules.


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›› Definition: Kilojoule

The SI prefix "kilo" represents a factor of 103, or in exponential notation, 1E3.

So 1 kilojoule = 103 joules.

The definition of a joule is as follows:

The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work. The unit is pronounced to rhyme with "tool", and is named in honor of the physicist James Prescott Joule (1818-1889).


›› Sample conversions: kilojoules

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