CALCULATOR
Joules to Kilowatt-hours Converter
Convert joules to kilowatt-hours. Enter a value to update the result.
How the calculation works
Kilowatt-hours = Joules × 2.77777777778e-7.
Worked example
With joules 1 J, kilowatt-hours is 0.0000002777777778 kWh.
Assumptions and limits
Standard energy unit conversion. Results use finite floating-point arithmetic.