| 1 sq mi = | 2589988110336 mm² |
| 1 sq mi = | 25899881103.36 cm² |
| 1 sq mi = | 4014489600 sq in |
| 1 sq mi = | 258998811.0336 dm² |
| 1 sq mi = | 27878400 sq ft |
| 1 sq mi = | 3097600 sq yd |
| 1 sq mi = | 2589988.110 m² |
| 1 sq mi = | 25899.881 a |
| 1 sq mi = | 640 acre |
| 1 sq mi = | 258.999 ha |
| 1 sq mi = | 2.590 km² |