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A square mile is an English unit of area equal to that of a square with sides each 1 statute mile (≈1,609 m) in length. It is not a metric unit. The other major Imperial unit / U.S. customary unit of area is the acre, of which there are 640 in a square mile.
Symbols There is no universally agreed symbol but the following are used: Conversions 1 square mile is equivalent to: In the Public Land Survey System of the U.S. and the Dominion Land Survey of Canada, the size of a standard section of land is one square mile, but always with the marginally larger survey definition. | ||||||||
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