Joules to Calories Converter

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

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How to convert joules to calories?

To convert joules to calories, you can use the following conversion factor: **1 joule = 0.239006 calories**, multiply the number of joules by 0.239006.

E(cal) = E(J) × 0.239006

Example

Convert 4.184 J to calories:

E(cal) = 4.184J × 0.239006 = 1cal

How many calories in a joule?

There are 0.239006 calories in one joule.

1J = 0.239006cal

1J = 0.239006cal

How many joules in a calorie?

There are 4.184 joules in one calorie.

1cal = 4.184J

1cal = 4.184J

What is a Calorie?

A calorie is a unit of energy commonly used in nutrition to measure the energy content of food. It is defined as the amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius.

Popular joules to calories conversion table

Joules (J)Calories (cal)
1 J0.239006 cal
4.184 J1 cal
10 J2.39006 cal
50 J11.9503 cal
100 J23.9006 cal
500 J119.503 cal
1000 J239.006 cal
2000 J478.012 cal
5000 J1195.03 cal
10000 J2390.06 cal
50000 J11950.3 cal