There are 640 acres in 1 square mile. An acre is defined as equal to 22 yards by 220 yards (66 feet by 660 feet) or square feet. This is 1/80 mile x.
Square miles to acres area units conversion factor is 640. To find out how many acres in square miles, multiply by the factor or instead, use the converter below.
The "Ocean State," Rhode Island measures acres in total area. Containing the 446 km (277 mi) Grand Canyon gorge, Grand Canyon National Park. 1905 in literature Service.