Calories to kilocalories converter
Kilocalories (kcal)
1 calorie = 0.001 kilocalories
How to convert calories to kilocalories
kcal = cal × 0.001
Multiply the number of calories by 0.001 to get kilocalories. Going the other way, divide by 0.001 (or multiply by 1000).
One calorie is exactly defined as 0.001 kilocalories (to 12 significant figures), and one kilocalorie is 1000 calories.
Worked examples
- Convert 5 calories: 5 × 0.001 = 0.005 0.005 kilocalories.
- Convert 12.5 calories: 12.5 × 0.001 = 0.0125 0.0125 kilocalories.
- Convert 250 calories: 250 × 0.001 = 0.25 0.25 kilocalories.
Quick-reference table
| cal | kcal |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| 1,000 | 1 |
| kcal | cal |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 75 | 75,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
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Frequently asked questions
How many kilocalories are in 1 calorie?
1 calorie equals 0.001 kilocalories.
What is the formula to convert calories to kilocalories?
Use kcal = cal × 0.001. Multiply the number of calories by 0.001 to get kilocalories. Going the other way, divide by 0.001 (or multiply by 1000).
What is 100 calories in kilocalories?
100 calories is 0.1 kilocalories.