How to convert calories to kilocalories
kcal = cal × 0.001
One calorie equals 0.001 kcal, so multiply the value in calories by 0.001. Example: 10 cal = 0.01 kcal.
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 kilocalories conversion table
| Calories (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 |
| 15 cal | 0.015 kcal |
| 20 cal | 0.02 kcal |
| 25 cal | 0.025 kcal |
| 50 cal | 0.05 kcal |
| 75 cal | 0.075 kcal |
| 100 cal | 0.1 kcal |
| 250 cal | 0.25 kcal |
| 500 cal | 0.5 kcal |
| 1,000 cal | 1 kcal |