Kilojoule to Kilocalorie Converter

1 Kilojoule = 0.239006 Kilocalorie

To convert kilojoules to kilocalories, multiply by 0.239006.

Conversions between Kilojoule (kJ) and Kilocalorie (kcal) are essential in the energy category. This tool provides a quick, free, and accurate way to convert kilojoules to kilocalories for academic, professional, or personal calculations. Check the detailed conversion table and formula explanation below for more context.

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Formula

kcal = kJ × 0.239005736

To convert Kilojoule to Kilocalorie, use the formula displayed above.

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Kilojoule to Kilocalorie: Quick Reference Table

Kilojoule (kJ) Kilocalorie (kcal)
0.001 0.000239
0.01 0.00239
0.1 0.023901
0.5 0.119503
1 0.239006
2 0.478011
5 1.195029
10 2.390057
25 5.975143
50 11.950287
100 23.900574
250 59.751434
500 119.502868
1000 239.005736

kJ to kcal Formula and Examples

Direct Formula kcal = kJ × 0.239005736
Inverse Formula kJ = kcal × 4.184
Mental Math Shortcut

Divide the value by roughly 4.2 to quickly estimate the converted result.

Common Kilojoule to Kilocalorie Calculations

  • 5 kJ = 1.195029 kcal
  • 10 kJ = 2.390057 kcal
  • 50 kJ = 11.950287 kcal
  • 100 kJ = 23.900574 kcal
  • 500 kJ = 119.502868 kcal

How to Convert Kilojoule to Kilocalorie

How many kilocalories are in a kilojoule?
1 Kilojoule (kJ) is equal to 0.239006 Kilocalorie (kcal). To convert kilojoules to kilocalories, multiply your value by 0.239006.
How do I convert kilojoule to kilocalorie?
To convert Kilojoule to Kilocalorie, use the formula: Kilocalorie = Kilojoule × 0.239006. For example, 5 kJ = 1.195029 kcal.
What is the formula for kJ to kcal?
The formula is: kcal = kJ × 0.239006. This is based on the exact SI conversion factor. Use our calculator above to convert any value instantly.