Square mile

square mile
square mile
	Various units of area, with square mile being represented as a yellow square
General information
Unit system	Imperial, United States customary units
Unit of	area
Symbol	mi2, sq mi
Conversions
1 mi2 in ...	... is equal to ...
Imperial/US	4.0145×109 sq in; 2.7878×107 sq ft; 3.0976×106 sq yd; 640 acres;
SI units	2.59×106 m2; 2.59 km2;

The square mile (abbreviated as sq mi and sometimes as mi²)^[1] is an imperial and US unit of measure for area. One square mile is equal to the area of a square with each side measuring a length of one mile.^[2]

^ Rowlett, Russ (September 1, 2004). "S", How Many? A Dictionary of Units of Measurement. University of North Carolina at Chapel Hill. Retrieved February 22, 2012.
^ Davies, Charles (1872). Mathematical dictionary and cyclopedia of mathematical science. Original from Harvard University: A.S. Barnes and co. p. 582.

[RussRowlett-1] Rowlett, Russ (September 1, 2004). "S", How Many? A Dictionary of Units of Measurement. University of North Carolina at Chapel Hill. Retrieved February 22, 2012.

[Davies-2] Davies, Charles (1872). Mathematical dictionary and cyclopedia of mathematical science. Original from Harvard University: A.S. Barnes and co. p. 582.

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