kJ to Joule conversion

With the tool on the page, you can automatically translate between kJ and Joule weight measurements. The conversion process you will make works automatically based on the kj joule conversion formula. To perform the conversion, simply enter the value you want in the box below and press the “Convert” button. The result will appear immediately below.

kJ to Joule conversion

  • kJ
  • kJ
  • Joule
  • J

How to convert from kJ to Joule?

One kilojoule is equal to 1000 joules:

1kJ = 1000J

KJ Joule conversion formula

E(J) energy in joules (J) equals E(kJ) energy in kilojoules times 1000:

E(J) = E(kJ) × 1000


Convert 3 kilojoules to joules. The energy E in joules (J) is equal to 3 kilojoules times 1000:

E(J) = 3kJ × 1000 = 3000J

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