Convert are to square mile
Please provide values below to convert are [a] to square mile [mi^2], or Convert square mile to are.
How to Convert Are to Square Mile
1 a = 3.86102158542446e-05 mi^2
Example: convert 15 a to mi^2:
15 a = 15 × 3.86102158542446e-05 mi^2 = 0.000579153237813669 mi^2
Are to Square Mile Conversion Table
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Are
The are is a metric unit of area equal to 100 square meters.
History/Origin
The are was introduced in France in the 19th century as a convenient unit for measuring land area, particularly in agriculture and real estate.
Current Use
The are is still used in some countries for land measurement, especially in real estate and agriculture, but has largely been replaced by the hectare in most contexts.
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'.