Convert square mile (US survey) to barn
Please provide values below to convert square mile (US survey) [mi^2 (US)] to barn [b], or Convert barn to square mile (US survey).
How to Convert Square Mile (Us Survey) to Barn
1 mi^2 (US) = 2.5899984703e+34 b
Example: convert 15 mi^2 (US) to b:
15 mi^2 (US) = 15 × 2.5899984703e+34 b = 3.88499770545e+35 b
Square Mile (Us Survey) to Barn Conversion Table
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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.
Barn
A barn is a unit of area used primarily in agriculture to measure land, especially for farming purposes.
History/Origin
The barn originated as a unit of measure in the 19th century, based on the amount of land that could be covered by a barn, roughly equivalent to 40 square rods or about 40 acres, and was used in land surveying and farming contexts.
Current Use
Today, the barn is largely obsolete as a formal measurement unit but is still used colloquially in agriculture to refer to land area, especially in the United States, often informally approximating 40 acres.