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Convert joule to kilojoule

Here you can quickly calculate how many kilojoule fit in one joule.
  • 1 J = 0.001 kJ
  • 1 kJ = 1000 J

Joule to kilojoule conversion table

joule kilojoule
1 0.001
2 0.002
5 0.005
10 0.01
20 0.02
50 0.05
100 0.1

Formula to convert joule to kilojoule

To convert joule to kilojoule, divide by 1000.

1 J = 0.001 kJ
Example: 1 joule = 0.001 kilojoule

Quick joule to/from kilojoule conversion quiz

Score: 0

20.5 joule equals 0.0236 kilojoule.

23.1 joule equals 0.0254 kilojoule.

15.4 kilojoule equals 1.31e+4 joule.

22 kilojoule equals 1.87e+4 joule.

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