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Energy
Watt-hours to Kilocalories
Convert watt-hours (Wh) to kilocalories (kcal). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 Wh = 0.860421 kcal
Watt-hours to Kilocalories Conversion Table
Common values, ready to copy:
| watt-hours | kilocalories |
|---|---|
| 1 Wh | 0.860421 kcal |
| 2 Wh | 1.7208 kcal |
| 5 Wh | 4.3021 kcal |
| 10 Wh | 8.6042 kcal |
| 25 Wh | 21.5105 kcal |
| 50 Wh | 43.021 kcal |
| 100 Wh | 86.0421 kcal |
| 1,000 Wh | 860.42 kcal |
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Formula
kilocalories = watt-hours × 8.60420650e-1
Energy uses the SI joule. Food calories (kcal) are 1,000 small calories: 1 kcal = 4,184 J. 1 kWh = 3.6 MJ = 3,600,000 J. 1 BTU = 1,055.06 J.
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