The result of your conversion between cawney and square mil appears here
To convert between Cawney and Square Mil you have to do the following:
First divide (4/3) * (0.09290304*43560) / 6.4516E-10 = 8363520000000.00097656
Then multiply the amount of Cawney you want to convert to Square Mil, use the chart below to guide you.
Symbol: cawney
No description
Symbol: sq mil
No description