The result of your conversion between cawney and square petameter appears here
To convert between Cawney and Square Petameter you have to do the following:
First divide (4/3) * (0.09290304*43560) / 1.0E+30 = 0.
Then multiply the amount of Cawney you want to convert to Square Petameter, use the chart below to guide you.
Symbol: cawney
No description
Symbol: Pm²
No description