How to convert joules to kilojoules

 

How to convert energy in joules (J) to kilojoules (kJ).

 

How to convert joules to kJ

One kilojoules is equal to 1000 joules:

1kJ = 1000J

The energy E in kilojoules (kJ) is equal to the energy in joules (J) divided by 1000:

E(kJ) = E(J) / 1000

Example

Convert 400J to kilojoules.

The energy E in kilojoules (kJ) is equal to 400 joules (J) divided by 1000:

E(kJ) = 400J / 1000 = 0.4kJ

 

Joules to kJ conversion calculator ►

 

See also

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