How to convert Kilojoules to Calories:

One kilojoule is equal to 0.239006 calories.

1 kJ = 0.239006 cal

Formula:

The energy conversion from kJ to cal is given by the formula:

The energy in thermochemical calories E_{(calth)} is equal to the energy in kilojoules E_{(kJ)} times 239.0057:

E_{(cal)} = E_{(kJ)} * 239.0057