How to convert acres to square miles?
1 Acre is equal to 0.0015625 square mile. To convert acres to square miles, multiply the acre value by 0.0015625 or divide by 640.
For example, to calculate how many square miles is 100 acres, multiply 100 by 0.0015625, that makes 0.15625 sq miles is 100 acres.
acres to square miles formula
square mile = acre * 0.0015625
square mile = acre / 640
1 Acre = 0.0015625 Square Mile
What is an Acre?
Acre is an imperial and United States Customary area unit. 1 acre = 0.0015625 miles squared. The symbol is "ac".
Please visit area conversion to convert all area units.