The result of your conversion between square foot [survey] and square mile appears here
To convert between Square Foot [survey] and Square Mile you have to do the following:
First divide 0.092903412 / 0.09290304*27878400 = 0.00000004
Then multiply the amount of Square Foot [survey] you want to convert to Square Mile, use the chart below to guide you.
Symbol: ft2
No description
Symbol: mi²
No description