Calories ⇄ Kilojoules Converter

Calories ⇄ Kilojoules Converter

Food energy is shown in kilocalories (kcal, usually written as "Calories") in the US, UK and much of the world, but in kilojoules (kJ) in Australia, New Zealand and on EU labels. This converter switches between the two using the exact factor 1 kcal = 4.184 kJ, so you can read any nutrition label or recipe in the unit you know. Enter a value and choose which unit it is in to get the equivalent at once.

Conversion: 1 kcal = 4.184 kJ. Food energy is labelled in kilocalories (kcal, often just "Calories") in the US and many countries, and in kilojoules (kJ) in Australia, New Zealand and the EU (alongside kcal).