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Kilojoules to Calories Converter

Convert kilojoules to calories and back instantly with formula and common values.

kJ

Calories

1,003.8241

cal

4.2 kJ = 1,003.8241 cal

cal = kJ × 239.006

How to Convert Kilojoules to Calories

To convert kilojoules to calories, multiply by 239.006.

Conversion Formula

  • Kilojoules to Calories: cal = kJ × 239.006
  • Calories to Kilojoules: kJ = cal ÷ 239.006

Common Conversions

KilojoulesCalories
0.5119.5029
1239.0057
51,195.0287
102,390.0574
255,975.1434
10023,900.5736
500119,502.8681

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FAQ

How do I convert kilojoules to calories?

Multiply by 239.006. For example, 4.2 kJ × 239.006 = 1,003.8241 cal.

What is the formula for kilojoules to calories?

The formula is: cal = kJ × 239.006.

How many calories are in one kilojoule?

One kilojoule equals 239.0057 calories.