Joules to Kilojoules Converter
1 J = 0.001 kJ. Type any value — it converts as you type, right in your browser.
=
0.001 kJ
Formula
kJ = J × 0.001
Joules to Kilojoules conversion table
| Joules (J) | Kilojoules (kJ) |
|---|---|
| 0.1 | 0.0001 |
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 50 | 0.05 |
| 100 | 0.1 |
| 500 | 0.5 |
| 1,000 | 1 |
FAQ
How many kilojoules in a joule?
1 J equals 0.001 kJ.
How do I convert J to kJ?
Multiply the joules value by 0.001 to get kilojoules.
What is the reverse conversion (kJ to J)?
1 kJ equals 1,000 J. Use our Kilojoules to Joules converter for the other direction.