# Square mile

### From Wikipedia, the free encyclopedia.

*This article is about the unit of measure. The***Square Mile**is a traditional name for the City of London in Britain.

A **square mile** is the area equal to a square with sides each 1 mile long. It is not an SI unit. The SI unit of area is the square metre.

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## Symbol

There is no universally agreed symbol but the following are used:

- square mile
- sq mile
- sq mi
- sq m (this can be confused with square metre)
- mile²
- mi²

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## Conversions

1 square mile is equivalent to:

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.

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