How do I convert kilocalories to kilojoules?

Multiply the number of kilocalories by 4.184. For example, 5 kcal = 20.92 kJ.

How many kilojoules are in one kilocalorie?

One kilocalorie equals 4.184 kilojoules.

12 kilocalories equals 50.208 kilojoules.

Use the reverse Kilojoules to Kilocalories converter: multiply kilojoules by 0.2390057361.

Convert kilocalories (kcal) to kilojoules (kJ) instantly — type a value below.

1 kilocalorie (kcal) = 4.184 kilojoules (kJ)
1 kilojoule (kJ) = 0.2390057361 kilocalories (kcal)

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To convert kilocalories to kilojoules, use this formula:

kJ = kcal × 4.184 (or divide by 0.2390057361)

A kilocalorie is 1,000 small calories, 4,184 joules. The "Calories" on food labels are kilocalories.

A kilojoule is 1,000 joules. Food energy on labels in Europe, Australia and many other countries is given in kJ alongside kcal.

How do I convert kilocalories to kilojoules?: Multiply the number of kilocalories by 4.184. For example, 5 kcal = 20.92 kJ.
How many kilojoules are in one kilocalorie?: One kilocalorie equals 4.184 kilojoules.
What is 12 kcal in kilojoules?: 12 kilocalories equals 50.208 kilojoules.
How do I convert kilojoules back to kilocalories?: Use the reverse Kilojoules to Kilocalories converter: multiply kilojoules by 0.2390057361.

Need other units? Use the full energy converter.