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Energy Converter

Convert energy measurements between various units including joules, calories, kilowatt-hours, BTUs, and more. This converter is essential for physics, engineering, nutrition, and energy-related calculations, ensuring fast and accurate unit transitions across different measurement systems.

Convert Energy Units Across Systems

Input Fields
Enter the energy value to convert
If enabled, the result will update automatically when you change any value.

Energy is a fundamental quantity in science, representing the capacity to do work or generate heat. This converter supports a wide range of units:

  • Joules (J) – SI unit
  • Kilojoules (kJ)
  • Calories (cal)
  • Kilocalories (kcal)
  • Watt-hours (Wh) and kilowatt-hours (kWh)
  • Electronvolts (eV)
  • BTU (British Thermal Units)
  • Ergs – used in astrophysics

Whether you’re analyzing energy consumption, food labels, or thermodynamic processes, this tool offers fast and accurate conversions to match your application.

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