Energy Converter

Convert any energy value quickly and accurately. Choose your units below and get instant results with detailed steps.

1 km (kilometers) = 1000 m (meters)

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Joule (J) Kilojoule (kJ) Megajoule (MJ) Gigajoule (GJ) Watt-hour (Wh) Kilowatt-hour (kWh) Megawatt-hour (MWh) Calorie (cal) Kilocalorie (kcal) British Thermal Unit (BTU) Therm (therm) Electronvolt (eV) Kiloelectronvolt (keV) Megaelectronvolt (MeV) Erg (erg) Foot-pound (ft·lb)