Convert square foot (ft²) to square mile (mi²) instantly
| Square Feet (ft²) | Square Miles (mi²) |
|---|---|
| 0.001 ft² | 3.5870e-11 mi² |
| 0.01 ft² | 3.5870e-10 mi² |
| 0.1 ft² | 3.5870e-09 mi² |
| 0.5 ft² | 1.7935e-08 mi² |
| 1 ft² | 3.5870e-08 mi² |
| 2 ft² | 7.1740e-08 mi² |
| 5 ft² | 1.7935e-07 mi² |
| 10 ft² | 3.5870e-07 mi² |
| 20 ft² | 7.1740e-07 mi² |
| 50 ft² | 1.7935e-06 mi² |
| 100 ft² | 3.5870e-06 mi² |
| 200 ft² | 7.1740e-06 mi² |
| 500 ft² | 1.793494208e-05 mi² |
| 1000 ft² | 3.586988417e-05 mi² |
Area measures two-dimensional space. The hectare (10,000 m²) is used for land. One acre = 4046.86 m². One square mile = 640 acres = 2.59 km².
Formula: mi² = ft² × 3.5870e-08