tier_2 conversion
Convert watt-hour to kilojoule
Convert watt-hour to kilojoule with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
watt-hour to kilojoule
watt-hour to kilojoule
Quick answer
1 watt-hour = 3.599999712 kilojoule.
Formula
kilojoule = watt-hour × 3.599999712000023039998156800
Precision
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
How to convert watt-hour to kilojoule
- Enter a value in watt-hour.
- The conversion is linear, so each watt-hour is worth 3.599999712000023039998156800 kilojoule.
- Round the displayed kilojoule value only when needed.
About these units
watt-hour is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is W*h. kilojoule is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is kJ.
Explore related conversions
watt-hour to kilojoule conversion table
| watt-hour | kilojoule |
|---|---|
| 0 watt-hour | 0e-27 kilojoule |
| 1 watt-hour | 3.59999971200 kilojoule |
| 5 watt-hour | 17.9999985600 kilojoule |
| 10 watt-hour | 35.9999971200 kilojoule |
| 25 watt-hour | 89.9999928000 kilojoule |
| 100 watt-hour | 359.999971200 kilojoule |
Frequently asked questions
How do I convert from watt-hour to kilojoule?
The conversion is linear, so each watt-hour is worth 3.599999712000023039998156800 kilojoule.
What formula does CalculatorHQ use for watt-hour to kilojoule?
kilojoule = watt-hour × 3.599999712000023039998156800
How should I round the result?
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
Can I convert kilojoule back to watt-hour?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.