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energy

About energy Units

This converter allows you to convert between different units of energy.

Please select your source and target units, and enter a value to convert.

Available units:

  • joule (J)
  • kilojoule (kJ)
  • calorie (cal)
  • kilocalorie (kcal)
  • watt-hour (W·h)
  • kilowatt-hour (kW·h)
  • electronvolt (eV)
  • british thermal unit (BTU)
  • foot-pound (ft·lb)
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