Convert Calories (thermo) to Joules

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

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

Going the other way? Convert J to cal.

cal to J table
Calories (thermo) (cal) Joules (J)
0.1 cal 0.4184 J
0.5 cal 2.092 J
1 cal 4.184 J
2 cal 8.368 J
5 cal 20.92 J
10 cal 41.84 J
20 cal 83.68 J
50 cal 209.2 J
100 cal 418.4 J
500 cal 2092 J
1000 cal 4184 J