Acres to square miles conversion factor is 0.0015625. To find out how many square miles in acres, multiply the acre value by the conversion factor or use the converter.
1 Acre = 0.0015625 Square Miles
For example, to find out how many square miles there are in 1000 acres, multiply the acre value by the conversion factor, 1000 ac * 0.0015625 = 1.5625 sq. miles in 1000 acres.
Acre is an imperial and US customary systems area unit. 1 acre equals to 0.0015625 sq. mile, 0.00404686 sq. kilometer and 43560 sq. feet. The abbreviation is "ac".
Square mile is an imperial and US customary area unit and equals to 640 acres, 259 hectares and 2.59 sq. kilometers. The abbreviation is "mi^{2}".