The result of your conversion between acre [survey] and square gigameter appears here
To convert between Acre [survey] and Square Gigameter you have to do the following:
First divide 0.092903412*43560 / 1.0E+18 = 0.
Then multiply the amount of Acre [survey] you want to convert to Square Gigameter, use the chart below to guide you.
Symbol: ac
No description
Symbol: gm2
No description