Convert between kilojoules and calories instantly. Useful for reading nutrition labels from different countries.
The kilojoule (kJ) and the calorie (kcal) are both units of energy used in nutrition. This converter makes it easy to switch between the two systems used on food labels worldwide.
Both measure energy. 1 calorie (kcal) equals 4.184 kilojoules (kJ). Kilojoules are used in Australia, New Zealand, and some European countries, while calories are standard in the US and Canada.