Femtowatt-hours to decawatt-hours equation
To convert femtowatt-hours to decawatt-hours:
Multiply the number of femtowatt-hours by 1.0000000000000001e-16
About femtowatt-hours
One femtowatt-hour is equal to a quadrillionth watt-hours
About decawatt-hours
One decawatt-hour is equal to a ten watt-hours