Square Feet to Square Miles - Convert sq ft to sq mi

Square Feet (sq ft) Conversion

A square foot – a unit of area in the British imperial and Us customary measuring systems that equals 144 square inches or exactly 929.0304 square centimeters. It is used primarily in the USA and partially in Bangladesh, Canada, the UK, etc. It is the area of a square with each side one foot in length.

Square Miles (sq mi) Conversion

A square mile is a traditional unit of area in the imperial and Us customary systems, which is equal to the area of a square with one-mile sides. One square mile is 4,014,489,600 square inches, 2.589988 square kilometers, or 640 acres.