Square Mile Conversions

1 Square Mile =
4.0144896 x 109 Square Inches
(exact result)
A square mile is a unit of area. It is the size of a square that is one mile on a side. It is equal to 640 acres or approximately 2.59 square kilometers.
A square inch is a unit of area. It is the size of a square that is one inch on a side. It is 1/144th of a square foot, or exactly 6.4516 square centimeters.