Energy Converter

Convert between all energy units — SI, thermal, physical and imperial.

From

To

Joule (J) —

Kilojoule (kJ) —

Megajoule (MJ) —

Gigajoule (GJ) —

Newton-meter (N·m) —

Watt-hour (Wh) —

Kilowatt-hour (kWh) —

Megawatt-hour (MWh) —

Calorie (cal) —

Kilocalorie (kcal) —

British thermal unit (BTU) —

Therm —

Electronvolt (eV) —

Kiloelectronvolt (keV) —

Megaelectronvolt (MeV) —

Erg —

Foot-pound (ft·lb) —

Inch-pound (in·lb) —

Popular conversions

Kilojoule (kJ) → Kilocalorie (kcal) Kilocalorie (kcal) → Kilojoule (kJ) Kilowatt-hour (kWh) → Kilojoule (kJ) Kilojoule (kJ) → Kilowatt-hour (kWh) Kilowatt-hour (kWh) → Megajoule (MJ) Joule (J) → Calorie (cal) Calorie (cal) → Joule (J) British thermal unit (BTU) → Kilojoule (kJ) Kilojoule (kJ) → British thermal unit (BTU) Kilowatt-hour (kWh) → British thermal unit (BTU) Megajoule (MJ) → Kilowatt-hour (kWh) Kilocalorie (kcal) → British thermal unit (BTU) British thermal unit (BTU) → Kilocalorie (kcal) Joule (J) → Kilowatt-hour (kWh)

Unit Converters

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