Convert calories to kilocalories
Calorie (cal) to kilocalorie (kcal). One calorie equals 0.001 kilocalories.
Formula
Calorie to kilocalorie conversion table
| Calories | Kilocalories | Kilocalories | Calories |
|---|---|---|---|
| 1 cal | 0.001 kcal | 1 kcal | 1000 cal |
| 2 cal | 0.002 kcal | 2 kcal | 2000 cal |
| 3 cal | 0.003 kcal | 3 kcal | 3000 cal |
| 5 cal | 0.005 kcal | 5 kcal | 5000 cal |
| 10 cal | 0.01 kcal | 10 kcal | 10000 cal |
| 20 cal | 0.02 kcal | 20 kcal | 20000 cal |
| 50 cal | 0.05 kcal | 50 kcal | 50000 cal |
| 100 cal | 0.1 kcal | 100 kcal | 100000 cal |
| 500 cal | 0.5 kcal | 500 kcal | 500000 cal |
| 1000 cal | 1 kcal | 1000 kcal | 1000000 cal |
To convert calories to kilocalories, divide the number of calories by 1000. One calorie equals 0.001 kilocalories, and one kilocalorie equals 1000 calories, so the relationship is fixed and exact. As a worked example, 10 cal comes to 0.01 kcal. Enter your own figure in the converter above to get an instant answer, or use the swap button to flip the direction. This is a energy conversion, and like every tool on UnitGlide it runs locally in your browser with no account or upload required. The table further down shows a range of common calorie values already worked out in kilocalories, plus the reverse kilocalorie to calorie direction, which is handy for quick reference or double-checking a result by hand.
Frequently asked questions
How many kilocalories are in a calorie?
One calorie equals 0.001 kilocalories. The ratio is constant, so you can multiply any number of calories by 0.001 to get kilocalories.
What is the formula to convert calories to kilocalories?
Use kilocalories = calories ÷ 1000. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.
How do I convert kilocalories back to calories?
Go the other way by using one kilocalorie equals 1000 calories. You can also press the swap button in the converter above to flip the direction in one click.
Is this calorie to kilocalorie converter accurate?
Yes. It uses internationally defined SI conversion factors, as maintained by the BIPM, and all math runs in your browser so nothing is rounded away on a server. For everyday use the displayed precision is more than enough.