Unit Converter › Energy › Wh → kJ
Energy · scale · base joule
Wh to kJ
1 watt-hour (Wh) = 3.6 kJ. Multiply by 3.6. One watt-hour (Wh) is 3.6 kJ.
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scale · base joule
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| Every unit at once | Value | Unit |
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Wh to kJ table
| watt-hour (Wh) | kJ | Unit |
|---|---|---|
| 1 Wh | 3.6 | kJ |
| 2 Wh | 7.2 | kJ |
| 3 Wh | 10.8 | kJ |
| 5 Wh | 18 | kJ |
| 10 Wh | 36 | kJ |
| 20 Wh | 72 | kJ |
| 25 Wh | 90 | kJ |
| 50 Wh | 180 | kJ |
| 100 Wh | 360 | kJ |
| 500 Wh | 1,800 | kJ |
| 1,000 Wh | 3,600 | kJ |
which calorie
The Calorie on a food label is a kilocalorie — a thousand of the calories a physicist means. Both are listed so the factor of a thousand is never left implied.