Calories to Joules Converter

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

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Joules to cal

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How to convert calories to joules?

To convert calories to joules, you can use the following conversion factor: **1 calorie = 4.184 joules**, multiply the number of calories by 4.184.

E_(J) = E_(cal) × 4.184

Example

Convert 1 cal to joules:

E_(J) = 1cal × 4.184 = 4.184J

How many joules in a calorie?

There are 4.184 joules in one calorie.

1cal = 4.184J

1cal = 4.184J

How many calories in a joule?

There are 0.239006 calories in one joule.

1J = 0.239006cal

1J = 0.239006cal

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 calories to joules conversion table

Calories (cal)	Joules (J)
0.1 cal	0.4184 J
0.5 cal	2.092 J
1 cal	4.184 J
2 cal	8.368 J
5 cal	20.92 J
10 cal	41.84 J
20 cal	83.68 J
50 cal	209.2 J
100 cal	418.4 J
500 cal	2092 J
1000 cal	4184 J