Watt-hours to Kilojoules Converter
Convert watt-hours to kilojoules instantly. One watt-hour equals 3.6 kilojoules, so you can type any value in Wh and read the answer in kJ. The page…
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Convert watt-hours to kilojoules instantly. One watt-hour equals 3.6 kilojoules, so you can type any value in Wh and read the answer in kJ. The page also shows a conversion table and the exact formula used.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
1 Wh = 3.6 kJ
With the default inputs (value in watt-hours = 1 Wh), the results are: kilojoules 3.6 kJ.
Watt-hours to kilojoules conversion table
Reference table based on the example values; it is not your calculation result.
| watt-hours (Wh) | kilojoules (kJ) |
|---|---|
| 1 | 3.6 |
| 2 | 7.2 |
| 5 | 18 |
| 10 | 36 |
| 25 | 90 |
| 50 | 180 |
| 100 | 360 |
| 500 | 1,800 |
| 1,000 | 3,600 |
Frequently asked questions
How many kilojoules are in one watt-hour?
1 watt-hour = 3.6 kilojoules.
What is the formula to convert watt-hours to kilojoules?
Multiply the value in watt-hours by 3.6.
How do I convert kilojoules back to watt-hours?
1 kilojoule = 0.277778 watt-hours.
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