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 Square mile - Definition 

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 units



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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Square mile".