Convert calories to kilowatt-hours quickly and accurately using this free online converter
Used in nutrition labels, physics, and electricity consumption.
💡 Calories (kcal) are used in food; joules in science; kWh in electricity.
kWh = cal × 0.0000011622
Example: 1 cal × 0.0000011622 = 0.0000011622 kWh
Use kcal for food; kWh for energy consumption; joules for science.
Common uses: nutrition, electricity bills, and scientific calculations.
How do I convert cal to kWh?
Multiply the value in Calories by 0.0000011622. For example: 10 cal = 0.0000116222 kWh.
When should I use Kilowatt-hours instead of Calories?
Use kcal for food; kWh for energy consumption; joules for science.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Calories (cal) | Kilowatt-hours (kWh) |
|---|---|
| 1 cal | 0.0000011622 kWh |
| 10 cal | 0.0000116222 kWh |
| 50 cal | 0.0000581111 kWh |
| 100 cal | 0.00011622 kWh |
| 250 cal | 0.00029056 kWh |
| 500 cal | 0.00058111 kWh |
| 1000 cal | 0.00116222 kWh |
| 2000 cal | 0.00232444 kWh |