Quectowatt-hours to gigawatt-hours equation
To convert quectowatt-hours to gigawatt-hours:
Multiply the number of quectowatt-hours by 1.0000000000000001e-39
About quectowatt-hours
One quectowatt-hour is equal to a nonillion watt-hours
About gigawatt-hours
One gigawatt-hour is equal to a billion watt-hours