640 acres in one square mile. in land surveying and mapping this unit is called a section. 1 acre = 43,560 sq ft.
This question has already been answered, but 1 acre is equivalent to .0015625 square miles.
640 acres
0.0015625 mi² Algebraic Steps / Dimensional Analysis1 acres*1 mi² 640 acres=0.0015625 mi²
0.0015625 mi², algebraic steps below: 1 acres*1 mi² 640 acres=0.0015625 mi²
One square mile equates to 640 acres.