Energy Converter

Convert between different units of energy

Home / Converters / Energy Converter

Energy Unit Converter

Common Energy Conversions

  • 1 kilocalorie (food calorie) = 4,184 joules
  • 1 kilowatt-hour = 3,600,000 joules
  • 1 BTU = 1,055.06 joules
  • 1 watt-hour = 3,600 joules
  • 1 calorie = 4.184 joules
  • 1 electronvolt = 1.602 × 10⁻¹⁹ joules