How to convert calories to kilocalories
To convert calories (cal) to kilocalories (kcal), multiply the value in calories by 0.001.
kcal = cal × 0.001
Example: 10 cal = 0.01 kcal.
You can also type 10 cal to kcal into the smart calculator, or mix units: 1 cal + 1 kcal.
Calories to Kilocalories conversion table
| Calories | Kilocalories |
|---|---|
| 0.01 cal | 0.00001 kcal |
| 0.1 cal | 0.0001 kcal |
| 0.25 cal | 0.00025 kcal |
| 0.5 cal | 0.0005 kcal |
| 1 cal | 0.001 kcal |
| 2 cal | 0.002 kcal |
| 3 cal | 0.003 kcal |
| 4 cal | 0.004 kcal |
| 5 cal | 0.005 kcal |
| 6 cal | 0.006 kcal |
| 7 cal | 0.007 kcal |
| 8 cal | 0.008 kcal |
| 9 cal | 0.009 kcal |
| 10 cal | 0.01 kcal |
| 12 cal | 0.012 kcal |
| 15 cal | 0.015 kcal |
| 20 cal | 0.02 kcal |
| 25 cal | 0.025 kcal |
| 30 cal | 0.03 kcal |
| 40 cal | 0.04 kcal |
| 50 cal | 0.05 kcal |
| 60 cal | 0.06 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 |
Converting kilocalories back to calories
1 kcal = 1,000 cal. See the Kilocalories to Calories converter, or press the swap button above.
About the units
Calorie (cal)
The small (thermochemical) calorie: exactly 4.184 joules.
Kilocalorie (kcal)
One thousand calories, the "Calorie" printed on food labels.
Energy is the capacity to do work. The SI unit is the joule. Food energy is labelled in kilocalories (Calories with a capital C) or kilojoules, electricity is billed in kilowatt-hours, and heating often uses BTU or therms.
Questions and answers
How many kilocalories are in a calorie?
One calorie (cal) equals 0.001 kilocalories (kcal).
How do I convert calories to kilocalories?
To convert calories to kilocalories, multiply the value in calories by 0.001. The formula is kcal = cal × 0.001. For example, 10 cal = 0.01 kcal.
What is 10 cal in kcal?
10 calories is 0.01 kilocalories.
Which is bigger, a calorie or a kilocalorie?
A kilocalorie is bigger: 1 kcal = 1,000 cal.
Are Calories on food labels the same as calories?
No. The food Calorie (capital C) is a kilocalorie: 1,000 small calories, or 4.184 kilojoules.
Does this cal to kcal converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.