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Convert Kilojoules to Calories

Kilojoules to Calories conversion table

Kilojoules (kJ)Calories (cal)
1 kJ239.005736 cal
2 kJ478.011472 cal
5 kJ1195.028681 cal
10 kJ2390.057361 cal
25 kJ5975.143403 cal
50 kJ11950.286807 cal
100 kJ23900.573614 cal
200 kJ47801.147228 cal
500 kJ119502.868069 cal
1000 kJ239005.736138 cal

How to convert kilojoules to calories

Converting Kilojoules (kJ) to Calories (cal) is a common task in energy measurements. Energy conversions connect food nutrition labels (calories), electricity bills (kWh), and scientific measurements in joules or BTU.

Formula: Multiply the kilojoules value by 239.006. In equation form: cal = kJ × 239.006.

One kilojoules equals approximately 239.005736 cal. This means you can multiply any kJ value by 239.005736 to get the equivalent in cal.

For instance, converting 10 kJ gives 2390.057361 cal. Try different values using the quick-value chips or type directly into the input field.

Common mistake: Food calories on nutrition labels are actually kilocalories (kcal), which confuses many people when comparing to joules or watt-hours.

Bookmark this page for quick kJ to cal conversions, or use the swap button to reverse the direction and convert cal back to kJ.

Related conversions

Calories to Kilojoules

Frequently asked questions

1 kJ equals 239.005736 cal.

Multiply the kilojoules value by 239.006.

10 kJ = 2390.057361 cal.