能量转换器

转换焦耳、卡路里、千瓦时、英热单位等。

计算器

如何使用 能量转换器

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

关于 能量转换器

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).

常见问题

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.