The result of your conversion between acre and square petameter appears here
To convert between Acre and Square Petameter you have to do the following:
First divide 0.09290304*43560 / 1.0E+30 = 0.
Then multiply the amount of Acre you want to convert to Square Petameter, use the chart below to guide you.
Symbol: ac
No description
Symbol: Pm²
No description