Convert square feet (ft²) to square miles (mi²) with formulas, examples, and conversion tables.
To convert 1 square feet to square miles, we divide by 27878412 because one square mile equals exactly 27878412 square feet.
Since there are 27878412 square feet in every square mile, we divide our value by this factor:
So 1 square feet = 3.587e-8 square miles.
To convert square feet to square miles, divide the value by 27878412.
1 square mile = 27878412 square feet
| Square Feet | Square Miles |
|---|---|
| 1 ft² | 3.587e-8 mi² |
| 2 ft² | 7.174e-8 mi² |
| 5 ft² | 1.7935e-7 mi² |
| 10 ft² | 3.587e-7 mi² |
| 20 ft² | 7.174e-7 mi² |
| 25 ft² | 8.9675e-7 mi² |
| 50 ft² | 1.7935e-6 mi² |
| 100 ft² | 3.587e-6 mi² |
| 250 ft² | 8.9675e-6 mi² |
| 500 ft² | 1.7935e-5 mi² |
| 1000 ft² | 3.587e-5 mi² |
| Unit | 1 ft² = |
|---|---|
| Square Feet to Square Kilometers | 9.2903e-8 km² |
| Square Feet to Hectares | 0.00000929 ha |
| Square Feet to Square Meters | 0.092903 m² |
| Square Feet to Square Centimeters | 929.03 cm² |
| Square Feet to Square Millimeters | 92903 mm² |
| Square Feet to Square Miles | 3.587e-8 mi² |
| Square Feet to Acres | 0.00002296 ac |
| Square Feet to Square Yards | 0.11111 yd² |
| Square Feet to Square Inches | 144 in² |
| Square Feet to Ares | 0.00092903 a |
| Square Feet to Barns | 9.2903e+26 b |