Decawatt-hours to zettawatt-hours equation
To convert decawatt-hours to zettawatt-hours:
Multiply the number of decawatt-hours by 1.0000000000000001e-20
About decawatt-hours
One decawatt-hour is equal to a ten watt-hours
About zettawatt-hours
One zettawatt-hour is equal to a sextillion watt-hours