kJ / cal

Kilojoule to Calorie converter

1 kJ = 239.005736 cal

This is the Kilojoule to Calorie converter. The factor is fixed: 1 kJ = 239.0057361376673 cal. Open a common amount below, or type any value — only selected amounts are indexed.

Common values

calorie to kilojoule 2 kilojoules in calorie 5 kilojoules in calorie 10 kilojoules in calorie 20 kilojoules in calorie 25 kilojoules in calorie 50 kilojoules in calorie 75 kilojoules in calorie 100 kilojoules in calorie 120 kilojoules in calorie 150 kilojoules in calorie

Same amount, other units

1 kilojoule → kcal 1 kilojoule → BTU 1 kilojoule → kWh 1 kilojoule → MJ 1 kilojoule → J

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

Common conversions

1 kJ → 239.005736 cal 2 kJ → 478.011472 cal 5 kJ → 1195.028681 cal 10 kJ → 2390.057361 cal 20 kJ → 4780.114723 cal 25 kJ → 5975.143403 cal 50 kJ → 11950.286807 cal 75 kJ → 17925.43021 cal 100 kJ → 23900.573614 cal 120 kJ → 28680.688337 cal 150 kJ → 35850.860421 cal 200 kJ → 47801.147228 cal

FAQ for kJ → cal

How much is 1 kilojoule on a food label in calorie?

239.005736 calorie. Factor 1 kilojoule = 239.005736 calorie.

Why do labels show both kcal and kJ?

Many regions require both. Roughly 1 kcal = 4.184 kJ. Use the calculator for any amount.

Is a food “Calorie” the same as a kilocalorie?

Yes. On labels, Calorie almost always means kilocalorie (kcal).

Manual conversion?

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

Reverse conversion?

1 calorie ≈ 0.004184 kilojoule. Swap units in the form or use the reverse link.

How the Kilojoule to Calorie converter works

This hub describes the pair, not a single number. Pages like 1, 10 or 100 Kilojoule answer exact searches.

NiftyRecipe uses thermochemical energy factors (for example 1 kcal = 4184 J). Results do not change with the time of day.