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Joule to Kilojoules Converter

Convert joules (J) to kilojoules (kJ) instantly with a free online converter, formula and conversion table.

How to convert joules to kilojoules

To convert joules to kilojoules, multiply the value by 0.001.

Joules to kilojoules chart

JoulesKilojoules
1 J0.001 kJ
2 J0.002 kJ
5 J0.005 kJ
10 J0.01 kJ
25 J0.025 kJ
50 J0.05 kJ
100 J0.1 kJ
500 J0.5 kJ
1000 J1 kJ

How many kilojoules are in 1 joule?

1 joule = 0.001 kilojoules.

Need the opposite? Try kilojoule to joules.

About this joule to kilojoules converter

Convert joules (J) to kilojoules (kJ) instantly with a free online converter, formula and conversion table. It works instantly on any phone or computer, needs no download and costs nothing.

Frequently asked questions

Is the Joule to Kilojoules Converter free to use?

Yes. The Joule to Kilojoules Converter on QuickKit is completely free, with no sign-up needed.

Is my data safe when I use the Joule to Kilojoules Converter?

Yes. Everything runs inside your browser, so what you type or upload is never sent to our servers.

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