Energy Converter

Convert between different units of energy (e.g., Joules, Calories).

Convert Energy

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Common Energy Units

  • Joule (J): The standard unit of energy in the International System of Units (SI).
  • Calorie (cal): Often used in chemistry, it's the approximate amount of energy needed to raise the temperature of one gram of water by one degree Celsius. The "food calorie" (kcal or Cal) is 1000 of these.
  • Kilowatt-hour (kWh): A common billing unit for electrical energy delivered to consumers by electric utilities.