NiftyRecipe Online energy conversion
kJ/kcal 0.239006 BTU/kJ 1.055056 kWh/kJ 3600 kJ/BTU 0.947817 MJ/kcal 239.005736 kWh/MJ 3.6
kJ / cal

1000 kilojoules in calorie

239005.736138 calorie

1 kJ = 239.005736 cal · factor

Nutrition packaging often lists both kcal and kJ. This tool applies a fixed conversion ratio only.

Enter a value and click Calculate - opens the page with the new result

Formula: kilojoule to calorie

cal = kJ × 239.005736 (1 KJ = 239.005736 CAL)

Reference values: kilojoule → calorie
kJ cal
1 kJ 239.005736 cal
100 kJ 23900.573614 cal
200 kJ 47801.147228 cal
500 kJ 119502.868069 cal
1000 kJ 239005.736138 cal
2000 kJ 478011.472275 cal

All amounts for this pair

FAQ for kJ → cal
1000 kilojoules in calorie

1000 kilojoules is 239005.736138 calorie using the standard food-energy factor on NiftyRecipe.

Package labels, recipe macros and fitness apps often jump between kilocalories and smaller calorie units (or kilojoules). Here the ratio stays constant: 1 kilojoule = 239.005736 calorie, so 1000 kilojoules always maps to 239005.736138 calorie until you change the input. The reverse figure is 1 calorie ≈ 0.004184 kilojoule.

Use the field above to try another portion size, scale a recipe, or match two apps that print different units. Everything on this page stays inside nutrition-style energy units-no length, temperature or other measures mixed in.