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Kilojoules to Kilocalories Converter

Convert kilojoules (kJ) to kilocalories (kcal). Type a number in either box and the result appears as you type.

1 kilojoule = 0.2390057361 kilocalories

Formula: kcal = kJ ÷ 4.184

How to convert kilojoules to kilocalories

1 kilojoule = 0.2390057361 kilocalories

To convert kilojoules to kilocalories, divide the value by 4.184.

Example: 5 kJ ÷ 4.184 = 1.195028681 kcal

Kilojoules to Kilocalories conversion table

Kilojoule (kJ)Kilocalorie (kcal)
10.23900574
20.47801147
30.71701721
40.95602294
51.1950287
102.3900574
153.585086
204.7801147
255.9751434
5011.950287
7517.92543
10023.900574
25059.751434
500119.50287
1,000239.00574

About kilojoules and kilocalories

Kilojoule (kJ)

1,000 joules. Food labels in many countries show energy in kJ alongside kcal.

Kilocalorie (kcal)

1,000 calories, exactly 4.184 kJ. This is the Calorie shown on food labels.

Frequently asked questions

What is 1 kJ in kilocalories?

1 kJ = 0.2390057361 kcal.

What is 1 kcal in kilojoules?

1 kcal = 4.184 kJ.

How do I convert kilojoules to kilocalories?

To convert kilojoules to kilocalories, divide the value by 4.184. 1 kilojoule = 0.2390057361 kilocalories.