How Many Calories in a Joule?

Quick Answer
1 Joule = 0.239 Calories

1 J = 0.239 cal

Formula

cal = J × 0.239

Conversion Table

Joules (J)Calories (cal)
1 J0.239 cal
2 J0.478 cal
5 J1.195 cal
10 J2.39 cal
20 J4.78 cal
50 J11.95 cal
100 J23.901 cal
500 J119.503 cal
1,000 J239.006 cal

Worked Examples

Convert 5 J to cal:
5 J × 0.239 = 1.195 cal
Convert 10 J to cal:
10 J × 0.239 = 2.39 cal
Convert 50 J to cal:
50 J × 0.239 = 11.95 cal

FAQ

How many Calories are in 1 Joule?
There are 0.239 Calories in 1 Joule. Formula: cal = J × 0.239.
How to convert Joules to Calories?
To convert Joules to Calories, multiply the number of Joules by 0.239. For example, 10 J = 2.39 cal.
How many Calories are in 100 Joules?
There are 23.901 Calories in 100 Joules. Calculation: 100 × 0.239 = 23.901.