Convert square mile to barn
Please provide values below to convert square mile [mi^2] to barn [b], or Convert barn to square mile.
How to Convert Square Mile to Barn
1 mi^2 = 2.589988110336e+34 b
Example: convert 15 mi^2 to b:
15 mi^2 = 15 × 2.589988110336e+34 b = 3.884982165504e+35 b
Square Mile to Barn Conversion Table
| square mile | barn |
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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'.
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.