Convert Calories (thermo) to Kilojoules

Calories (thermo) → Kilojoules
cal × 0.004184 = kJ kJ × 239.0057 = cal

To convert calories (thermo) (cal) to kilojoules (kJ), multiply the calories (thermo) value by 0.004184. 1 cal = 0.004184 kJ, and 1 kJ = 239.0057 cal. The conversion is a linear scaling with no offset, so the same factor applies to any value.

Going the other way? Convert kJ to cal.

cal to kJ table
Calories (thermo) (cal) Kilojoules (kJ)
0.1 cal 0.0004184 kJ
0.5 cal 0.002092 kJ
1 cal 0.004184 kJ
2 cal 0.008368 kJ
5 cal 0.02092 kJ
10 cal 0.04184 kJ
20 cal 0.08368 kJ
50 cal 0.2092 kJ
100 cal 0.4184 kJ
500 cal 2.092 kJ
1000 cal 4.184 kJ