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:This article is about the unit of measure. In England, the Square Mile is a traditional name for the City of London.

A square mile (symbol sq. mi. or mi²) is an imperial unit which is the area of a square whose side is one mile (or 5,280 feet). A square mile is equal to 27,878,400 square feet, 640 acres, or roughly 2½ square kilometres (2.589988 km², to be more exact). In the Public Land Survey System of the US and the Dominion Land Survey of Canada, the size of a standard section of land is one square mile. Note that the abbreviation sq. mi. is more common than mi², as the use of a superscript 2 to indicate a squared unit is more common with SI units.

See also: Conversion of unitsThis article lists conversion factors between a number of units of measurement. Key: definition exactly equal to approximatively equal to Length Area Volume Angle Mass In physics, the pound of mass is sometimes written lbm to distinguish it from the pound

Units of area Imperial units US customary units



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