Convert Kilocalories to Calories
kcal to cal · energy conversion
What are kilocalories and calories?
A kilocalorie (the food Calorie) is 1,000 small calories, the unit on US nutrition labels. A small calorie is the energy to heat one gram of water by 1 °C, about 4.184 J. For reference: a food Calorie is one kilocalorie (4,184 J), and home electricity is billed in kilowatt-hours.
How to convert kilocalories to calories
1 kcal = 1,000 cal. To convert, multiply the number of kilocalories by 1,000. For example, 5 kcal = 5,000 cal, and 20 kcal = 20,000 cal. To go the other way, multiply calories by 0.001 (since 1 cal = 0.001 kcal).
Kilocalories to Calories conversion table
| Kilocalories (kcal) | Calories (cal) |
|---|---|
| 1 | 1,000 |
| 10 | 10,000 |
| 100 | 100,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
| 2,000 | 2,000,000 |
| 5,000 | 5,000,000 |
FAQ
What is 1 kcal in cal?
1 kcal = 1,000 cal. To convert any amount, multiply the number of kilocalories by 1,000.
How do I convert calories back to kilocalories?
Go the other way: 1 cal = 0.001 kcal, so multiply calories by 0.001 to get kilocalories.
Is a kilocalorie bigger than a calorie?
Yes — 1 kcal is the larger unit, equal to 1,000 cal.
Are these energy conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.