Convert from square foot to square mile

Unit Definition (square foot)
The square foot is a traditional unit of area. 1 ft² equals 144 in² or exactly 929.0304 cm² (0.092 903 04 m²).

Unit Definition (square mile)
The square mile is a traditional unit of area. One square mile is equal to 640 acres, 3 097 600 square yards, 258.9988 hectares, or 2.589 988 square kilometers.