The result of your conversion between acre and square mile [nautical] appears here
To convert between Acre and Square Mile [nautical] you have to do the following:
First divide 0.09290304*43560 / 3429904 = 0.00117987
Then multiply the amount of Acre you want to convert to Square Mile [nautical], use the chart below to guide you.
Symbol: ac
No description
Symbol: mi²
No description