Converters/Energy

Calories to Joules Converter

Free online calories to joules converter. Multiply calories by 4.184 to get joules. 1 calorie = 4.184 J.

How it works

Multiply calories by 4.184 to get joules. 1 calorie = 4.184 J.

Calories to Joules Conversion Table

Calories (cal)Joules (J)
0.5 cal2.092 J
1 cal4.184 J
2 cal8.368 J
5 cal20.92 J
10 cal41.84 J
20 cal83.68 J
50 cal209.2 J
100 cal418.4 J
250 cal1,046 J
500 cal2,092 J
1,000 cal4,184 J

How the Conversion Works

Multiply calories by 4.184 to get joules. 1 calorie = 4.184 J.

Going the other way: 1 J = 0.23901 cal. Enter a value in either field above and the converter runs the math in both directions instantly.

Frequently Asked Questions