Kilojoule (kJ) to Kilocalorie (kcal)
Convert kilojoules to kilocalories. Helpful when comparing energy values on international food labels, tracking intake from imported products, or understanding nutritional data from countries that use the metric system. One kilojoule equals 0.2388 kilocalories.
Frequently asked questions
1 kilojoule (kJ) equals 0.2388 kilocalories (kcal). Conversely, 1 kcal = 4.184 kJ. In the US, kilocalories are labeled as "Calories" (capital C) on Nutrition Facts panels.
500 kJ equals 119.4 Calories (kcal). An average apple contains around 200–250 kJ (48–60 Calories).
Divide the number of kilojoules by 4.184. Example: 2,092 kJ ÷ 4.184 = 500 Calories. For a quick estimate, divide by 4 — the result will be slightly higher than exact.
Yes. The "Calorie" (capital C) on US Nutrition Facts labels is a kilocalorie. A snack listed as 200 Calories contains 200 kcal or 836.8 kJ. Kilojoules do not appear on standard US food labels.