Free online converter from square feet to square miles. Type a value to get an instant result, check the formula and use the quick reference table below.
| square feet (ft²) | square miles (mi²) |
|---|---|
| 1 | 3.58701e-8 |
| 2 | 7.17401e-8 |
| 5 | 1.7935e-7 |
| 10 | 3.58701e-7 |
| 20 | 7.17401e-7 |
| 50 | 0.0000017935 |
| 100 | 0.00000358701 |
| 250 | 0.00000896752 |
| 500 | 0.000017935 |
| 1000 | 0.0000358701 |
1 ft² = 3.58701e-8 mi².
Multiply the value in square feet by 3.58701e-8 to get square miles.