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Energy
Calories to Kilowatt-hours
Convert calories (cal) to kilowatt-hours (kWh). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 cal = 1.1622e-6 kWh
Calories to Kilowatt-hours Conversion Table
Common values, ready to copy:
| calories | kilowatt-hours |
|---|---|
| 1 cal | 1.1622e-6 kWh |
| 2 cal | 2.3244e-6 kWh |
| 5 cal | 5.8111e-6 kWh |
| 10 cal | 1.1622e-5 kWh |
| 25 cal | 2.9056e-5 kWh |
| 50 cal | 5.8111e-5 kWh |
| 100 cal | 0.000116 kWh |
| 1,000 cal | 0.001162 kWh |
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Formula
kilowatt-hours = calories × 1.16222222e-6
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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