Energy Converter From: Joule (J) Kilojoule (kJ) Megajoule (MJ) Watt-hour (Wh) Kilowatt-hour (kWh) Calorie (cal) Kilocalorie (kcal) BTU Therm (US) Electronvolt (eV) Tonne of oil eq. (toe) Foot-pound (ft·lb) To: Joule (J) Kilojoule (kJ) Megajoule (MJ) Watt-hour (Wh) Kilowatt-hour (kWh) Calorie (cal) Kilocalorie (kcal) BTU Therm (US) Electronvolt (eV) Tonne of oil eq. (toe) Foot-pound (ft·lb) Result: –