Calories to Kilocalories Converter (cal to kcal)

1 cal = 0.001 kcal

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Formula

To convert calories to kilocalories, multiply the value by 0.001.

kcal = cal × 0.001

Example calculation

Convert 5 cal to kcal:

5 cal × 0.001 = 0.005 kcal

Conversion table

calories → kilocalories
calkcal
10.0010
20.0020
30.0030
40.0040
50.0050
60.0060
70.0070
80.0080
90.0090
100.0100
150.0150
200.0200
250.0250
300.0300
350.0350
400.0400
450.0450
500.0500
550.0550
600.0600
650.0650
700.0700
750.0750
800.0800
850.0850
900.0900
950.0950
1000.1000
2000.2000
5000.5000
10001.0000
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About the units

Calorie (cal)
The thermochemical calorie is exactly 4.184 joules, historically the heat to warm one gram of water by 1 °C.
Kilocalorie (kcal)
The "food calorie" on nutrition labels. Equal to 4,184 joules.

Frequently asked questions

How do I convert calories to kilocalories?
To convert calories to kilocalories, multiply the value by 0.001.
How many kilocalories are in 1 calorie?
1 calorie equals 0.001 kcal.
How many kilocalories are in 10 calories?
10 cal equals 0.01 kcal.
How do I convert kilocalories back to calories?
Use the reverse converter: 1 kilocalorie equals 1000 cal.
Is this converter accurate?
Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

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