The result of your conversion between attonewton and giganewton appears here
To convert between Attonewton and Giganewton you have to do the following:
First divide 1.0e-18 / 1.0e9 = 0.
Then multiply the amount of Attonewton you want to convert to Giganewton, use the chart below to guide you.
Symbol: aN
No description
Symbol: GN
No description