ft² to mi²
39 unitsResult3.587006e-8
3.587006e-8mi²
1 ft² × 3.587006e-8 = 3.587006e-8 mi²
Convert Square foot to Square mile (ft² to mi²)
1 square foot = 3.587006e-8 square miles. Convert square foots to square miles instantly, with the exact factor, the formula and a reference table of common values.
Formula
square miles = square foots × 3.587006e-8
ft² to mi² conversion table
| ft² | mi² |
|---|---|
| 1 ft² | 3.587006e-8 mi² |
| 2 ft² | 7.174013e-8 mi² |
| 3 ft² | 1.076102e-7 mi² |
| 5 ft² | 1.793503e-7 mi² |
| 10 ft² | 3.587006e-7 mi² |
| 20 ft² | 7.174013e-7 mi² |
| 50 ft² | 0.000001793503214 mi² |
| 100 ft² | 0.000003587006428 mi² |
| 250 ft² | 0.00000896751607 mi² |
| 500 ft² | 0.00001793503214 mi² |
| 1000 ft² | 0.00003587006428 mi² |
What is a square foot?
A square foot is a square one foot on each side: 0.09290304 square meters, or 144 square inches.
It is the standard unit of American real estate. Homes, apartments and offices in the US are advertised by their floor area in square feet, and a comfortable two-bedroom apartment might be around 900 of them.
In writing, the square foot is usually shortened to "ft²". One square foot is 0.09290304 square meters, and that ratio is what every number on this page is built from.