kJ / kcal

Kilojoule to Kilocalorie converter

1 kJ = 0.239006 kcal

This is the Kilojoule to Kilocalorie converter. The factor is fixed: 1 kJ = 0.2390057361376673 kcal. Open a common amount below, or type any value — only selected amounts are indexed.

Common values

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

Same amount, other units

1 kilojoule → BTU 1 kilojoule → cal 1 kilojoule → kWh 1 kilojoule → MJ 1 kilojoule → J

Formula: kilojoule to kilocalorie

kcal = kJ × 0.239006 (1 KJ = 0.239006 KCAL)

Reference values: kilojoule → kilocalorie

kJ	kcal
1 kJ	0.239006 kcal
100 kJ	23.900574 kcal
200 kJ	47.801147 kcal
500 kJ	119.502868 kcal
1000 kJ	239.005736 kcal
2000 kJ	478.011472 kcal

Common conversions

1 kJ → 0.239006 kcal 2 kJ → 0.478011 kcal 5 kJ → 1.195029 kcal 10 kJ → 2.390057 kcal 20 kJ → 4.780115 kcal 25 kJ → 5.975143 kcal 50 kJ → 11.950287 kcal 75 kJ → 17.92543 kcal 100 kJ → 23.900574 kcal 120 kJ → 28.680688 kcal 150 kJ → 35.85086 kcal 200 kJ → 47.801147 kcal

FAQ for kJ → kcal

Manual conversion?

kcal = kJ × 0.239006 (1 KJ = 0.239006 KCAL)

Reverse conversion?

1 kilocalorie ≈ 4.184 kilojoule. Swap units in the form or use the reverse link.

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

0.239006 kilocalorie. Factor 1 kilojoule = 0.239006 kilocalorie.

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).

How the Kilojoule to Kilocalorie 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.