Femtowatt-hours to megawatt-hours equation
To convert femtowatt-hours to megawatt-hours:
Multiply the number of femtowatt-hours by 1.0000000000000001e-21
About femtowatt-hours
One femtowatt-hour is equal to a quadrillionth watt-hours
About megawatt-hours
One megawatt-hour is equal to a million watt-hours