How Many Calories in a Joule?

Quick Answer
1 Joule = 0.23900574 Calories

1 J = 0.23900574 cal

0.239006

≈ 15/64 cal

Formula

cal = J × 0.23900574

The calculator multiplies each J value by 0.23900574. For the reverse direction, divide cal by 0.23900574; equivalently, 1 cal = 4.184 J.

Conversion Table

Joules (J)Calories (cal)
1 J0.23900574 cal
2 J0.47801147 cal
5 J1.1950287 cal
10 J2.3900574 cal
20 J4.7801147 cal
50 J11.950287 cal
100 J23.900574 cal
500 J119.50287 cal
1,000 J239.00574 cal

Worked Examples

Convert 5 J to cal:
5 J × 0.23900574 = 1.1950287 cal
Convert 10 J to cal:
10 J × 0.23900574 = 2.3900574 cal
Convert 50 J to cal:
50 J × 0.23900574 = 11.950287 cal

FAQ

How many Calories are in 1 Joule?
There are 0.23900574 Calories in 1 Joule. Formula: cal = J × 0.23900574.
How to convert Joules to Calories?
To convert Joules to Calories, multiply the number of Joules by 0.23900574. For example, 10 J = 2.3900574 cal.
How many Calories are in 100 Joules?
There are 23.900574 Calories in 100 Joules. Calculation: 100 × 0.23900574 = 23.900574.