kilojoule to watt-hour
Live kilojoule (kJ) to watt-hour (Wh) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from kilojoule to watt-hour. Use the converter above for arbitrary values.
| kilojoule (kJ) | → | watt-hour (Wh) |
|---|---|---|
| 0.001 kJ | → | 0.000278 Wh |
| 0.01 kJ | → | 0.002778 Wh |
| 0.1 kJ | → | 0.027778 Wh |
| 0.5 kJ | → | 0.138889 Wh |
| 1 kJ | → | 0.277778 Wh |
| 2 kJ | → | 0.555556 Wh |
| 5 kJ | → | 1.388889 Wh |
| 10 kJ | → | 2.777778 Wh |
| 100 kJ | → | 27.777778 Wh |
| 1,000 kJ | → | 277.777778 Wh |
About the kilojoule
1000 J. Food labels in some countries.
About the watt-hour
1 W sustained for 1 hour (3600 J).
Frequently asked questions
Frequently Asked Questions
How do I convert kilojoule to watt-hour?
Multiply the kilojoule value by 0.277778 to get it in watt-hour. For example, 10 kJ = 2.7778 Wh.
What is 1 kJ in Wh?
1 kJ = 0.277778 Wh.
What is 100 kJ in Wh?
100 kJ = 27.7778 Wh.
What is the formula?
Linear: multiply by 0.277778 (the unit factor ratio).
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