Energy Converter

Convert joules, kilowatt-hours, calories, BTU, electronvolts, and other energy units.

Convert energy units online

Convert energy used in electricity, heating, nutrition, and physics. Use OmniUnit for fast conversions between common units without leaving the page.

Common energy units

Joule (J)
Kilojoule (kJ)
Megajoule (MJ)
Watt-hour (Wh)
Kilowatt-hour (kWh)
Megawatt-hour (MWh)

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