How to convert calories to kilowatt-hours
kWh = cal × 0.0000011622
One calorie equals 0.0000011622 kWh, so multiply the value in calories by 0.0000011622. Example: 10 cal = 0.0000116222 kWh.
The calorie here is the thermochemical calorie (exactly 4.184 J); a food "Calorie" is one kilocalorie. One kilowatt-hour is exactly 3.6 MJ. The BTU is the International Table BTU (1,055.05585262 J).
Calories to kilowatt-hours conversion table
| Calories (cal) | Kilowatt-hours (kWh) |
|---|---|
| 1 cal | 0.0000011622 kWh |
| 2 cal | 0.0000023244 kWh |
| 3 cal | 0.0000034867 kWh |
| 5 cal | 0.0000058111 kWh |
| 10 cal | 0.0000116222 kWh |
| 15 cal | 0.0000174333 kWh |
| 20 cal | 0.0000232444 kWh |
| 25 cal | 0.0000290556 kWh |
| 50 cal | 0.0000581111 kWh |
| 75 cal | 0.0000871667 kWh |
| 100 cal | 0.0001162222 kWh |
| 250 cal | 0.0002905556 kWh |
| 500 cal | 0.0005811111 kWh |
| 1,000 cal | 0.0011622222 kWh |