Joule to Kilojoule (J → kJ)
Convert joule to kilojoule instantly. The conversion factor below is exact by international definition.
Realtime·energy·SI
Exact
J
× 0.001
kJ
0.001
Precision [auto]
6
📐J to kJ formulaExact
kJ = J × 0.001
Inverse: J = kJ × 1000
Worked example: 1 J = 0.001 kJ
ℹ️About these units
Joule (J)
Kilojoule (kJ)
Food energy labels in many countries.
📊Reference table: J → kJ
| Joule (J) | Kilojoule (kJ) |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 750 | 0.75 |
| 1,000 | 1 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=joule&to=kilojouleEmbed this converter
<div data-convertnavi="joule->kilojoule"></div>
<script async src="https://convertnavi.com/embed.js"></script>