Calories to Kilocalories Conversion

Enter the energy in calories below to get the value converted to kilocalories.

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Results in Kilocalories:
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1 cal = 0.001 kcal

How to Convert Calories to Kilocalories

To convert a calorie measurement to a kilocalorie measurement, divide the energy by the conversion ratio. One kilocalorie is equal to 1,000 calories, so use this simple formula to convert:

kilocalories = calories ÷ 1,000

The energy in kilocalories is equal to the calories divided by 1,000.

For example, here's how to convert 500 calories to kilocalories using the formula above.
500 cal = (500 ÷ 1,000) = 0.5 kcal

Calories and kilocalories are both units used to measure energy. Keep reading to learn more about each unit of measure.

Calories

One calorie is equal to the heat needed to raise the temperature of one gram of water from 14.5 to 15.5 degrees Celsius.

When measuring the energy content in foods, the large calorie, or kilocalorie is used, but it's often still just called a "calorie." When both the calorie and large calorie are used in the same context it is common to refer to the calorie as a "small calorie."

Calories can be abbreviated as cal, for example 1 calorie can be written as 1 cal.

Kilocalories

One kilocalorie, is equal to the heat needed to raise the temperature of one kilogram of water from 14.5 to 15.5 degrees Celsius.

Kilocalories can be abbreviated as kcal, for example 1 kilocalorie can be written as 1 kcal.

When being used to measure nutrition or metabolic processes, the large calorie is used, which is equal to one kilocalorie.

Calorie to Kilocalorie Conversion Table

Calorie measurements converted to kilocalories
Calories Kilocalories
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
20 cal 0.02 kcal
30 cal 0.03 kcal
40 cal 0.04 kcal
50 cal 0.05 kcal
60 cal 0.06 kcal
70 cal 0.07 kcal
80 cal 0.08 kcal
90 cal 0.09 kcal
100 cal 0.1 kcal
200 cal 0.2 kcal
300 cal 0.3 kcal
400 cal 0.4 kcal
500 cal 0.5 kcal
600 cal 0.6 kcal
700 cal 0.7 kcal
800 cal 0.8 kcal
900 cal 0.9 kcal
1,000 cal 1 kcal