The result of your conversion between gigawatt hour and watthour appears here
To convert between Gigawatt Hour and Watthour you have to do the following:
First divide 3.6e+12 / 3600 = 1000000000.
Then multiply the amount of Gigawatt Hour you want to convert to Watthour, use the chart below to guide you.
Symbol: GWh
No description
Symbol: Wh
No description