Calories to Kilocalories Converter
Convert calorie to kilocalorie instantly. Type a value below — the result updates as you type.
When you need to convert calorie to kilocalorie
Energy conversions appear on nutrition labels, utility bills and appliance specs, letting you compare food energy, electricity use and heating output on a common scale.
Typical values: 0.5 cal is about 0.0005 kcal, and 100 cal works out to roughly 0.1 kcal. Because the ratio is fixed at 0.001, you can scale any amount linearly — doubling the calories doubles the kilocalories.
Food packaging, power meters and heating equipment each prefer different energy units, so converting makes them directly comparable.
How to convert calorie to kilocalorie
One calorie equals 0.001 kilocalories. To convert, multiply the number of calories by 0.001:
kilocalories = calories × 0.001
For example, 10 calories × 0.001 = 0.01 kilocalories.
Calories to kilocalories conversion table
| Energy (cal) | Kilocalories (kcal) |
|---|---|
| 1 cal | 0.001 kcal |
| 2 cal | 0.002 kcal |
| 3 cal | 0.003 kcal |
| 5 cal | 0.005 kcal |
| 10 cal | 0.01 kcal |
| 20 cal | 0.02 kcal |
| 50 cal | 0.05 kcal |
| 100 cal | 0.1 kcal |
FAQ
How many kilocalories are in a calorie?
One calorie = 0.001 kilocalories.
How do I convert kilocalories back to calories?
Divide by 0.001, or use the kilocalories to calories converter.