Free instant Wh → cal converter. No signup, no uploads — everything is calculated privately in your browser.
1 Wh = 860.421 calories
1 watt-hours = 860.421 calories
Free, instant, and 100% private — every calculation runs in your browser. Nothing is uploaded.
1 watt-hour equals 860.421 calories. To convert watt-hours to calories, multiply the value by 860.4206500956022.
1 watt-hour = 860.421 calories. Formula: value × 860.4206500956022
Example: 1 Wh → 860.421 cal. Type any value in the converter above to see it converted live.
| Watt-hours (Wh) | Calories (cal) |
|---|---|
| 1 Wh | 860.421 cal |
| 2 Wh | 1,720.84 cal |
| 5 Wh | 4,302.1 cal |
| 10 Wh | 8,604.21 cal |
| 25 Wh | 21,510.5 cal |
| 50 Wh | 43,021 cal |
| 100 Wh | 86,042.1 cal |
| 250 Wh | 215,105 cal |
| 500 Wh | 430,210 cal |
| 1,000 Wh | 860,421 cal |
1 watt-hour = 860.421 calories. Formula: value × 860.4206500956022. Enter the value above and the result appears instantly — the calculation runs entirely in your browser.
Exactly: 1 watt-hour = 860.4206500956022 calories. The reverse factor is 1 calorie = 0.0011622222222222223 watt-hours.
1 Wh = 860.421 cal; 10 Wh = 8,604.21 cal; 100 Wh = 86,042.1 cal. Use the full conversion table below for more reference values.
No — and the capital letter matters. A food Calorie (with a capital C) is a kilocalorie: 1,000 small calories. This converter treats them correctly: 1 kcal = 4.184 kJ = 1,000 cal. Energy labels on food almost always mean kilocalories, even where the label just says "calories".