Yottawatt-hours to gigawatt-hours equation
To convert yottawatt-hours to gigawatt-hours:
Multiply the number of yottawatt-hours by 1000000000000000
About yottawatt-hours
One yottawatt-hour is equal to a septillion watt-hours
About gigawatt-hours
One gigawatt-hour is equal to a billion watt-hours