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Square feet to square miles (ft² to mi²) converter
You can enter a value in either the square feet (ft²) or square miles (mi²) input fields. For an understanding of the conversion process, we include algebraic formulas.See conversions to common Area units and easily switch Area units in the two tabbed section below. Use the search bar above to find additional conversions.
Tip: Click the "Swap" button to switch from converting square feet to square miles to square miles to square feet.
square feet (ft²) | square miles (mi²) | ||
| Swap < == > | |||
| 1 ft² = 4.0E-8 mi² | 1 mi² = 27878400 ft² |
Algebraic Steps / Dimensional Analysis Formula
| |
* | 1 mi² 27878400 |
= | mi² |
If you would like to switch between Area units, select from the tables below
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