Convert Calorie to Kilocalorie
1 calorie = 0.001 kilocalorie (kcal). Type any value below to convert calorie to kilocalorie both ways — it runs entirely in your browser.
Calorie to Kilocalorie conversion formula
To convert calorie to kilocalorie, multiply by 0.001:
kilocalorie = calorie × 0.001
Going the other way, 1 kilocalorie = 1,000 calorie, so
calorie = kilocalorie × 1,000.
Calorie to Kilocalorie — worked examples
| Calorie | Kilocalorie |
|---|---|
| 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 |
| 25 cal | 0.025 kcal |
| 50 cal | 0.05 kcal |
| 100 cal | 0.1 kcal |
Calorie ↔ Kilocalorie reference table
| Calorie → Kilocalorie | Kilocalorie → Calorie |
|---|---|
| 1 cal = 0.001 kcal | 1 kcal = 1,000 cal |
| 2 cal = 0.002 kcal | 2 kcal = 2,000 cal |
| 5 cal = 0.005 kcal | 5 kcal = 5,000 cal |
| 10 cal = 0.01 kcal | 10 kcal = 10,000 cal |
| 20 cal = 0.02 kcal | 20 kcal = 20,000 cal |
| 50 cal = 0.05 kcal | 50 kcal = 50,000 cal |
| 100 cal = 0.1 kcal | 100 kcal = 100,000 cal |
| 250 cal = 0.25 kcal | 250 kcal = 250,000 cal |
| 500 cal = 0.5 kcal | 500 kcal = 500,000 cal |
| 1000 cal = 1 kcal | 1000 kcal = 1,000,000 cal |
About calorie and kilocalorie
Calorie: A (small/gram) calorie is roughly the heat needed to raise 1 g of water by 1 °C — the thermochemical calorie is exactly 4.184 J. The food "Calorie" is actually a kilocalorie.
Kilocalorie: A kilocalorie (the food "Calorie", Cal) is 1,000 small calories — exactly 4,184 J. It is the energy figure printed on nutrition labels.
Frequently asked questions
- How many kilocalorie are in 1 calorie?
- 1 calorie = 0.001 kilocalorie (kcal).
- How do I convert calorie to kilocalorie?
- Multiply the number of calorie by 0.001. For example, 10 calorie = 10 × 0.001 = 0.01 kilocalorie.
- How many calorie are in 1 kilocalorie?
- 1 kilocalorie = 1,000 calorie.
- Which is bigger, calorie or kilocalorie?
- 1 kilocalorie equals 1,000 calorie, so a kilocalorie is the larger unit.