Watt-hour to Kilojoule (Wh → kJ)
Convert watt-hour to kilojoule instantly. The conversion factor below is exact by international definition.
Realtime·energy·SI
Exact
Wh
× 3.6
kJ
3.6
Precision [auto]
6
📐Wh to kJ formulaExact
kJ = Wh × 3.6
Inverse: Wh = kJ × 0.277777777778
Worked example: 1 Wh = 3.6 kJ
ℹ️About these units
Watt-hour (Wh)
Kilojoule (kJ)
Food energy labels in many countries.
📊Reference table: Wh → kJ
| Watt-hour (Wh) | Kilojoule (kJ) |
|---|---|
| 1 | 3.6 |
| 2 | 7.2 |
| 5 | 18 |
| 10 | 36 |
| 15 | 54 |
| 20 | 72 |
| 25 | 90 |
| 50 | 180 |
| 100 | 360 |
| 250 | 900 |
| 500 | 1,800 |
| 750 | 2,700 |
| 1,000 | 3,600 |
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=watt-hour&to=kilojouleEmbed this converter
<div data-convertnavi="watt-hour->kilojoule"></div>
<script async src="https://convertnavi.com/embed.js"></script>