Square mile
- 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). 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
