Please provide values below to convert Joule [J] to Kilojoule [kJ], or vice versa.
1 Joule (J) = 0.001 Kilojoule (kJ)
1 Kilojoule (kJ) = 1,000 Joule (J)
Example: convert 15 Joule (J) to Kilojoule (kJ):
15 Joule (J) = 15 × 0.001 Kilojoule (kJ) = 0.015 Kilojoule (kJ)
The joule (J) is the SI unit of energy, equal to the work done by a force of one newton over one meter.
| Joule [J] | Kilojoule [kJ] |
|---|---|
| 1 J | 0.001 kJ |
| 2 J | 0.002 kJ |
| 5 J | 0.005 kJ |
| 10 J | 0.01 kJ |
| 20 J | 0.02 kJ |
| 50 J | 0.05 kJ |
| 100 J | 0.1 kJ |
| 200 J | 0.2 kJ |
| 500 J | 0.5 kJ |
| 1000 J | 1 kJ |
Enter the input value, choose source and target units, and read the converted result shown instantly.
Converted Value = Input Value × (From Unit Factor / To Unit Factor). For non-linear domains, category-specific standard formulas are applied.
If 1 source unit equals 1000 target units, then 2 source units equal 2000 target units. Use the live converter above for exact values.
Q: Is this conversion accurate?
A: Yes, it uses fixed reference factors or tested standard formulas.
Q: Can I reverse the conversion?
A: Yes, swap the units or use the reverse conversion direction.