ToolNest

Energy Converter

J, kJ, calories, Wh, kWh, BTU and more, converted instantly.

Reference (in joules):

  • 1 Kilojoule (kJ) = 1,000 joules
  • 1 Calorie (cal) = 4.184 joules
  • 1 Kilocalorie (kcal, “food calorie”) = 4,184 joules
  • 1 Watt-hour (Wh) = 3,600 joules
  • 1 Kilowatt-hour (kWh) = 3,600,000 joules
  • 1 British thermal unit (BTU) = 1,055.05585262 joules
  • 1 Foot-pound (ft·lbf) = 1.3558179483 joules
  • 1 Electronvolt (eV) = 0 joules

使用方法

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关于

Convert energy between joules, calories (and food kilocalories), watt-hours, kilowatt-hours, BTU, electronvolts and foot-pounds.

A food “Calorie” with a capital C is one kilocalorie = 4,184 J — the same number that makes 5 kcal of sugar 20 servers worth of tantalus math if you confuse the two.

一切都在您的浏览器本地运行：不会上传任何数据，无需账户。

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