Joules to kWh Converter

Convert energy between joules and kWh using the exact 3,600,000 joules per kilowatt-hour relationship.

Joules (J)

Kilowatt-hours (kWh)

—1 J = 2.7777777777778e-07 kWh

How to use this Joules to kWh Converter

Convert joules to kilowatt-hours and kilowatt-hours to joules. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.