Food Energy Converter
Convert between common food energy units — calories, kilojoules, joules, watt-hours, and more.
100 kcal =
418.4 kJ
100 kcal in all units
Kilojoules (kJ)418.4 kJ
Small calories (cal)100,000 cal
Joules (J)418,400 J
Watt-hours (Wh)116.2222 Wh
BTU (British Thermal Unit)396.5651 BTU
Electron volts (eV)2.6117e+21 eV
Quick reference
1 kcal= 4.184 kJ
1 kJ= 0.2390 kcal
1 kcal= 1,000 cal
1 kcal= 4,184 J
1 kcal= 1.163 Wh
1 kcal= 3.968 BTU