mi² to ft²
39 unitsResult2.787840e+7
27878400ft²
1 mi² × 27878400 = 27878400 ft²
Convert Square mile to Square foot (mi² to ft²)
1 square mile = 27878400 square foots. Convert square miles to square foots instantly, with the exact factor, the formula and a reference table of common values.
Formula
square foots = square miles × 27878400
mi² to ft² conversion table
| mi² | ft² |
|---|---|
| 1 mi² | 27878400 ft² |
| 2 mi² | 55756800 ft² |
| 3 mi² | 83635200 ft² |
| 5 mi² | 139392000 ft² |
| 10 mi² | 278784000 ft² |
| 20 mi² | 557568000 ft² |
| 50 mi² | 1393920000 ft² |
| 100 mi² | 2787840000 ft² |
| 250 mi² | 6969600000 ft² |
| 500 mi² | 13939200000 ft² |
| 1000 mi² | 27878400000 ft² |
What is a square mile?
A square mile is a square one mile on each side, about 2.59 square kilometers. It is the everyday unit for city and county areas in the United States and UK.
Manhattan covers roughly 59 square kilometers, or about 23 square miles. In American surveying, a square mile of land is called a section.
In writing, the square mile is usually shortened to "mi²". One square mile is 2589988.11 square meters, and that ratio is what every number on this page is built from.