Energy Converter
Convert between Joules, Calories, kWh, BTUs, and eV.
Joule (J)
3.6000e+6
Kilojoule (kJ)
3,600
Calorie (cal)
860,420.6501
Kilocalorie (kcal / food calorie)
860.4207
Watt-hour (Wh)
1,000
British Thermal Unit (BTU)
3,412.1282
Electron-volt (eV)
2.2469e+25