Energy Converter

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

Калькуляторы

Как использовать Energy Converter

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

О Energy Converter

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).

Часто задаваемые вопросы

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.