How this tool works
Uses standard physical conversion factors with joules as the base unit.
Frequently asked questions
What is kWh?
A kilowatt-hour is a unit of energy equal to 3.6 million joules.
Enter a value and choose units.
Convert energy between joules, kilojoules, watt-hours, kilowatt-hours, calories, kilocalories and BTU.
Uses standard physical conversion factors with joules as the base unit.
A kilowatt-hour is a unit of energy equal to 3.6 million joules.