Energy Converter
Convert between various units of energy
Supported Energy Units
All of the following units can be converted to and from each other:
Joule (J)
Kilojoule (kJ)
Calorie (cal)
Kilocalorie (kcal)
Watt-hour (Wh)
Kilowatt-hour (kWh)
Electron volt (eV)
British Thermal Unit (BTU)
Foot-pound force (ft·lbf)
Therm (thm)
All units are bidirectionally convertible
Note: Conversions are performed with high precision, but displayed results may be rounded for readability.
About this converter
This energy converter allows you to convert between various units of energy, including joules, calories, watt-hours, and more. It also includes some less common units like electron volts and therms. The converter uses precise calculations to ensure accurate results for scientific, engineering, and everyday energy conversions.
This converter performs all calculations locally in your browser. No data is sent to any server.