Convert Calories to Joules

Convert calories (cal) to joules (J) with our free online converter. Includes formula, conversion table, and common examples.

From

cal

Calories

To

J

Joules

How It Works

Multiply the calorie value by 4.184

Example: 1 cal = 4.184 J

Calories to Joules Table

Calories (cal)	Joules (J)
1 cal	4.184 J
2 cal	8.368 J
3 cal	12.552 J
4 cal	16.736 J
5 cal	20.92 J
6 cal	25.104 J
7 cal	29.288 J
8 cal	33.472 J
9 cal	37.656 J
10 cal	41.84 J
12 cal	50.208 J
15 cal	62.76 J
20 cal	83.68 J
25 cal	104.6 J
30 cal	125.52 J

Did You Know?

One thermochemical calorie equals exactly 4.184 joules.
The calorie was originally defined as the energy needed to raise 1 gram of water by 1°C.

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