watt-hour to kilojoule
Live watt-hour (Wh) to kilojoule (kJ) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from watt-hour to kilojoule. Use the converter above for arbitrary values.
| watt-hour (Wh) | → | kilojoule (kJ) |
|---|---|---|
| 0.001 Wh | → | 0.0036 kJ |
| 0.01 Wh | → | 0.036 kJ |
| 0.1 Wh | → | 0.36 kJ |
| 0.5 Wh | → | 1.8 kJ |
| 1 Wh | → | 3.6 kJ |
| 2 Wh | → | 7.2 kJ |
| 5 Wh | → | 18 kJ |
| 10 Wh | → | 36 kJ |
| 100 Wh | → | 360 kJ |
| 1,000 Wh | → | 3,600 kJ |
About the watt-hour
1 W sustained for 1 hour (3600 J).
About the kilojoule
1000 J. Food labels in some countries.
Frequently asked questions
Frequently Asked Questions
How do I convert watt-hour to kilojoule?
Multiply the watt-hour value by 3.6 to get it in kilojoule. For example, 10 Wh = 36 kJ.
What is 1 Wh in kJ?
1 Wh = 3.6 kJ.
What is 100 Wh in kJ?
100 Wh = 360 kJ.
What is the formula?
Linear: multiply by 3.6 (the unit factor ratio).
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