joule to kilojoule

Live joule (J) to kilojoule (kJ) converter. Plus a 10-value reference table and FAQs.

joule
kilojoule
1 J = 0.001kJ

換算表

jouleからkilojouleまでの 10 個のサンプル値。任意の値には上の換算器をお使いください。

joule (J)→kilojoule (kJ)
0.001 J → 1.0000e-6 kJ
0.01 J → 1.0000e-5 kJ
0.1 J → 0.0001 kJ
0.5 J → 0.0005 kJ
1 J → 0.001 kJ
2 J → 0.002 kJ
5 J → 0.005 kJ
10 J → 0.01 kJ
100 J → 0.1 kJ
1,000 J → 1 kJ

jouleについて

SI unit of energy. 1 N·m.

kilojouleについて

1000 J. Food labels in some countries.

How joule to kilojoule conversion works

Both units belong to Energy. Unitbox first expresses the input in the category reference unit (J), then expresses that same quantity in kilojoule.

The right unit depends on the convention used by your industry, country, instrument, or source document.

Reference value1 J = 0.001 kJ
CalculationBrowser-side, using Unitbox's shared unit data
Review noteFor safety-critical work, verify against the governing standard or instrument manual.

Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.

よくある質問

Frequently Asked Questions

How do I convert joule to kilojoule?

Multiply the joule value by 0.001 to get it in kilojoule. For example, 10 J = 0.01 kJ.

What is 1 J in kJ?

1 J = 0.001 kJ.

What is 100 J in kJ?

100 J = 0.1 kJ.

What is the formula?

Linear: multiply by 0.001 (the unit factor ratio).

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