⚡ Energy Converter
Convert between joules, calories, kilowatt-hours, BTU, and more energy units
Popular energy conversions
Available units (10)
Joule (J)Kilojoule (kJ)Calorie (cal)Kilocalorie (kcal)Watt Hour (Wh)Kilowatt Hour (kWh)BTU (BTU)Electronvolt (eV)Therm (thm)Foot-Pound (ft·lb)