Decawatt-hours to femtowatt-hours equation
To convert decawatt-hours to femtowatt-hours:
Multiply the number of decawatt-hours by 9999999999999998
About decawatt-hours
One decawatt-hour is equal to a ten watt-hours
About femtowatt-hours
One femtowatt-hour is equal to a quadrillionth watt-hours