Joules to Kilocalories Converter

Convert joules to kilocalories (J to kcal) instantly with our free online converter. Accurate results with decimal precision.

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How to convert joules to kilocalories?

To convert joules to kilocalories, you can use the following conversion factor: **1 joule = 0.000239006 kilocalories**, multiply the number of joules by 0.000239006.

E(kcal) = E(J) × 0.000239006

Example

Convert 4184 J to kilocalories:

E(kcal) = 4184J × 0.000239006 = 1kcal

How many kilocalories in a joule?

There are 0.000239006 kilocalories in one joule.

1J = 0.000239006kcal

1J = 0.000239006kcal

How many joules in a kilocalorie?

There are 4184 joules in one kilocalorie.

1kcal = 4184J

1kcal = 4184J

What is a Kilocalorie?

A kilocalorie (kcal) is a unit of energy equal to 1000 calories. It is commonly used in nutrition to measure the energy content of food and is often referred to as a 'Calorie' (with capital C) on food labels.

Popular joules to kilocalories conversion table

Joules (J)Kilocalories (kcal)
1 J0.000239006 kcal
100 J0.0239006 kcal
1000 J0.239006 kcal
4184 J1 kcal
5000 J1.19503 kcal
10000 J2.39006 kcal
20000 J4.78012 kcal
50000 J11.9503 kcal
100000 J23.9006 kcal
500000 J119.503 kcal
1000000 J239.006 kcal