File & Data Converters

Calories to Kilojoules Converter

Enter a value in calories to convert it to kilojoules, or switch units to convert the other way.

1 Calories = 0.004184 Kilojoules

All Calories conversions

Joules
4.184
Kilojoules
0.004184
Kilocalories
0.001
Watt-hours
0.001162
Kilowatt-hours
0.000001

How to use this tool

  1. 1Enter a value in calories.
  2. 2The result in kilojoules updates instantly.
  3. 3Use the swap button to convert kilojoules to calories instead.

Frequently asked questions

How many kilojoules is 1 calorie?+

1 calorie equals approximately 0.004184 kilojoules.

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