Calories to Watt-hours
Convert cal to Wh. 1 calorie = 0.001162222222 Wh, and 1 watt-hour = 860.420650096 cal.
Formula Multiply the value in calories by 0.001162222222. Calories to Watt-hours table
1 calorie in every unit
| Joules | 4.184 | J |
|---|---|---|
| Kilojoules | 0.004184 | kJ |
| Megajoules | 0.000004184 | MJ |
| Kilocalories | 0.001 | kcal |
| Watt-hours | 0.001162222222 | Wh |
| Kilowatt-hours | 0.000001162222 | kWh |
| British thermal units | 0.003965666831 | BTU |
| Foot-pounds | 3.08596003258 | ft·lbf |
| Electronvolts | 2.611447e+19 | eV |
Food labels write kilocalories (kcal) as "Calories". Calories here are thermochemical: 1 cal = 4.184 J.
How to convert calories to watt-hours
Multiply the value in calories by 0.001162222222.
For example, 10 cal = 0.011622222222 Wh, and 10 Wh = 8,604.20650096 cal.
Frequently asked questions
How many watt-hours are in one calorie?
1 calorie = 0.001162222222 Wh.
What is 10 cal in Wh?
10 cal = 0.011622222222 Wh.
How do I convert Wh back to cal?
Multiply the value in watt-hours by 860.420650096. 1 watt-hour = 860.420650096 cal.
Calories to Watt-hours table
| Calories (cal) | Watt-hours (Wh) |
|---|---|
| 0.1 | 0.000116222222 |
| 0.5 | 0.000581111111 |
| 1 | 0.001162222222 |
| 2 | 0.002324444444 |
| 3 | 0.003486666667 |
| 4 | 0.004648888889 |
| 5 | 0.005811111111 |
| 6 | 0.006973333333 |
| 7 | 0.008135555556 |
| 8 | 0.009297777778 |
| 9 | 0.01046 |
| 10 | 0.011622222222 |
| 15 | 0.017433333333 |
| 20 | 0.023244444444 |
| 25 | 0.029055555556 |
| 30 | 0.034866666667 |
| 50 | 0.058111111111 |
| 75 | 0.087166666667 |
| 100 | 0.116222222222 |
| 250 | 0.290555555556 |
| 500 | 0.581111111111 |
| 1,000 | 1.16222222222 |
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