Square miles to square feet (mi2 to ft2) area units conversion factor is 27 878 400. To find out how many square feet in square miles, multiply by the conversion factor or use the converter.
1 Square Mile = 27 878 400 Square Feet
There are 27 878 400 square feet in a square mile, because one mile is 5280 feet and the area of a square is calculated by multiplying a side by itself, that makes 5280 * 5280 = 27 878 400 square feet in a square mile.
For example, to find out how many sq. feet there are in a square mile and a half, multiply the sq. mile value by 27 878 400, that makes 1.5 mi2 * 27 878 400 = 41 817 600 sq. feet in 1.5 sq. mile.
Square mile is an imperial and US Customary area unit and defined as the area of a square with sides 1 mile in length. 1 square mile equals to 640 acres and 259 hectares. The abbreviation is "mi2".
Square foot is an imperial and US Customary area unit and defined as the area of a square with sides 1 foot in length. 1 square foot equals to 144 sq. inches and 929.03 sq. centimeters. The abbreviation is "ft2".