Convert Joules to Calories (thermo)

Joules → Calories (thermo)
J × 0.2390057 = cal cal × 4.184 = J

To convert joules (J) to calories (thermo) (cal), multiply the joules value by 0.2390057. 1 J = 0.2390057 cal, and 1 cal = 4.184 J. The conversion is a linear scaling with no offset, so the same factor applies to any value.

Going the other way? Convert cal to J.

J to cal table
Joules (J) Calories (thermo) (cal)
0.1 J 0.02390057 cal
0.5 J 0.1195029 cal
1 J 0.2390057 cal
2 J 0.4780115 cal
5 J 1.195029 cal
10 J 2.390057 cal
20 J 4.780115 cal
50 J 11.95029 cal
100 J 23.90057 cal
500 J 119.5029 cal
1000 J 239.0057 cal