Femtowatt-hours to kilowatt-hours equation
To convert femtowatt-hours to kilowatt-hours:
Multiply the number of femtowatt-hours by 1e-18
About femtowatt-hours
One femtowatt-hour is equal to a quadrillionth watt-hours
About kilowatt-hours
One kilowatt-hour is equal to a thousand watt-hours