UnitConverterHow to convert Joule to Kilojoule
Reference formulas, definitions, and quick lookup values for energy conversion.
What is Joule?
A joule belongs to the energy converter.
Everyday example: Example: Joule appears in practical energy calculations.
History: Historical note: this unit is used in modern measurement systems.
What is Kilojoule?
A kilojoule belongs to the energy converter.
Everyday example: Example: Kilojoule appears in practical energy calculations.
History: Historical note: this unit is used in modern measurement systems.
Exact Mathematical Formula
Kilojoule = Joule * (1 / 1000)Joule to Kilojoule Quick Conversion Table
| Joule | Kilojoule |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 4 | 0.004 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 50 | 0.05 |
| 100 | 0.1 |
| 1000 | 1 |