The result of your conversion between gigajoule and wattsecond appears here
To convert between Gigajoule and Wattsecond you have to do the following:
First divide 1.0e+09 / 1 = 1000000000.
Then multiply the amount of Gigajoule you want to convert to Wattsecond, use the chart below to guide you.
Symbol: GJ
No description
Symbol: Ws
No description