Energy Converter

Convert between energy units instantly. Supports joules, calories, kilowatt-hours, BTU, electronvolts, and more.

Common Conversions:

Joules to Calories Calories to Joules kWh to Joules BTU to Joules

Value

From Unit

To Unit

How to Use

Enter the energy value you want to convert
Select the original unit from the dropdown
Select the target unit from the second dropdown
Click "Convert" to see the result
Use the copy button to copy the converted value

Supports conversions between scientific and practical energy units