Convert square foot (US survey) to square mile
Please provide values below to convert square foot (US survey) [ft^2 (US)] to square mile [mi^2], or Convert square mile to square foot (US survey).
How to Convert Square Foot (Us Survey) to Square Mile
1 ft^2 (US) = 3.58702077547173e-08 mi^2
Example: convert 15 ft^2 (US) to mi^2:
15 ft^2 (US) = 15 × 3.58702077547173e-08 mi^2 = 5.38053116320759e-07 mi^2
Square Foot (Us Survey) to Square Mile Conversion Table
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Square Foot (Us Survey)
A square foot (US survey) is a unit of area equal to the area of a square with sides measuring one foot, primarily used in land measurement and real estate in the United States.
History/Origin
The square foot originated from the foot as a unit of length, which has been used since ancient times. Its application as an area measurement became standardized in the United States for land and property measurements in the 19th and 20th centuries.
Current Use
Today, the square foot (US survey) is widely used in real estate, construction, and land surveying within the United States to measure property sizes, building areas, and land plots.
Square Mile
A square mile is a unit of area measurement equal to the area of a square with sides of one mile each.
History/Origin
The square mile has been used historically in the United States and the United Kingdom for land measurement, especially in surveying and real estate, originating from the imperial system of units.
Current Use
Today, the square mile is primarily used in the United States and the UK for measuring land areas, such as in real estate, geography, and environmental studies, within the context of the 'Area' converter in 'Common Converters'.