Calories to Joules Converter

Convert calories (cal) to joules (J) instantly

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Conversion Formula

1 cal = 4.184 J

To convert from calories to joules, multiply the value by 4.184.

Calories to Joules Table

Calories (cal)Joules (J)
0.1 cal0.4184 J
0.25 cal1.046 J
0.5 cal2.092 J
1 cal4.184 J
2 cal8.368 J
3 cal12.552 J
5 cal20.92 J
10 cal41.84 J
15 cal62.76 J
20 cal83.68 J
25 cal104.6 J
50 cal209.2 J
100 cal418.4 J
250 cal1,046 J
500 cal2,092 J
1,000 cal4,184 J

Frequently Asked Questions

How many joules are in 1 calorie?

There are 4.184 joules in 1 calorie (1 cal = 4.184 J).

How do I convert calories to joules?

To convert calories to joules, multiply the value in calories by 4.184. The formula is: J = cal ร— 4.184.

What is 10 calories in joules?

10 calories is equal to 41.84 joules (10 cal = 41.84 J).

What is 100 calories in joules?

100 calories is equal to 418.4 joules (100 cal = 418.4 J).

How many calories are in 1 joule?

There are 0.239006 calories in 1 joule (1 J = 0.239006 cal).

About Calories and Joules

The calorie (cal) and the joule (J) are both units of energy measurement. Converting between calories and joules is a common task in science, engineering, cooking, and everyday life.

Use our free online converter above to quickly and accurately convert any value from calories to joules, or check the reference table for common conversions.