Femtowatt-hours to terawatt-hours equation
To convert femtowatt-hours to terawatt-hours:
Multiply the number of femtowatt-hours by 1e-27
About femtowatt-hours
One femtowatt-hour is equal to a quadrillionth watt-hours
About terawatt-hours
One terawatt-hour is equal to a trillion watt-hours