Convert Unit Online

Convert Units for Free is an essential tool that you’ll love and use everyday.

Energy Converter


  • British Thermal Units BTU
  • Calories cal
  • Ergs erg
  • Foot-Pounds ft lb
  • Joules J
  • Kilogram-Calories kg-cal
  • Kilogram-Meters kg-m
  • Kilowatt-Hours kW-h
  • Newton-Meters n-m
  • Watt-Hours W-h
  • Therm thm
  • British Thermal Units BTU
  • Calories cal
  • Ergs erg
  • Foot-Pounds ft lb
  • Joules J
  • Kilogram-Calories kg-cal
  • Kilogram-Meters kg-m
  • Kilowatt-Hours kW-h
  • Newton-Meters n-m
  • Watt-Hours W-h
  • Therm thm
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