Square mile
Unit of area
square mile | |||||||
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![]() 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 | 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] EquivalentsOne square mile is equal to:
One square mile is also equivalent to:
Similarly named unitsMiles squareSquare miles should not be confused with miles square, a square region with each side having a length of the value given. For example, a region which is 20 miles square (20 mi × 20 mi) has an area of 400 sq mi; a rectangle of measuring 10 mi × 40 mi also has an area of 400 sq mi, but is not 20 miles square. SectionIn the United States Public Land Survey System, "square mile" is an informal synonym for section. References
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