Energy Converter

Convert between joules, calories, kWh, BTU, and more.

計算機

Energy Converter の使い方

  1. 1Enter an energy value
  2. 2Select the source unit
  3. 3See all other unit equivalents instantly

Energy Converter について

The Energy Converter converts between all common energy units: joules (J), kilojoules (kJ), calories (cal), kilocalories (kcal), watt-hours (Wh), kilowatt-hours (kWh), megawatt-hours (MWh), BTU, foot-pounds (ft·lb), and electron-volts (eV).

よくある質問

What is the difference between cal and kcal?

1 kcal (food calorie) = 1000 cal. Food nutrition labels use kcal, often labelled as "Calories" with a capital C.