Convert square foot to square mile (US survey)
Please provide values below to convert square foot [ft^2] to square mile (US survey) [mi^2 (US)], or Convert square mile (US survey) to square foot.
How to Convert Square Foot to Square Mile (Us Survey)
1 ft^2 = 3.58699207993119e-08 mi^2 (US)
Example: convert 15 ft^2 to mi^2 (US):
15 ft^2 = 15 × 3.58699207993119e-08 mi^2 (US) = 5.38048811989679e-07 mi^2 (US)
Square Foot to Square Mile (Us Survey) Conversion Table
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Square Foot
A square foot is a unit of area measurement equal to the area of a square with sides of one foot in length.
History/Origin
The square foot has been used historically in the imperial and US customary systems for measuring areas, especially in real estate and construction, dating back to the adoption of the imperial system in the UK and its influence in the US.
Current Use
Today, the square foot is widely used in real estate, architecture, and interior design in the United States and other countries that employ imperial units to measure property sizes, building areas, and land plots.
Square Mile (Us Survey)
A square mile (US survey) is a unit of area equal to the area of a square with sides of one mile, specifically used in the United States survey system.
History/Origin
The square mile has been used historically in land measurement and mapping in the United States, originating from the British imperial system. It is commonly employed in surveying and land division, especially in rural and agricultural contexts.
Current Use
Today, the square mile (US survey) is primarily used in land surveying, real estate, and geographic data within the United States, particularly for measuring large land areas such as counties, states, and national parks.