kJ to Calories Converter

kJ to Calories Converter

Convert kilojoules into calories quickly and easily.

If a food label shows energy in kJ and you prefer to think in calories, enter the number into the converter above. You will get the equivalent calorie value without having to work through the formula yourself.

For example:

  • 100 kJ = 23.90 calories           500 kJ = 119.50 calories

  • 1,000 kJ = 239.01 calories      2,000 kJ = 478.01 calories

The tool can be used for food labels, drinks, recipes, restaurant nutrition information, meal calculations and other energy values.

Enter the energy value from a food label in kilojoules (kJ) and get the calorie equivalent instantly.

Your calorie result will appear here.
Formula: Calories = kJ ÷ 4.184

Enter a calorie value to quickly find its equivalent energy in kilojoules (kJ).

Your kJ result will appear here.
Formula: kJ = Calories × 4.184
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Your kJ Number, Converted

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