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