A mile is a unit of length; the term most commonly refers to a length of 5280 feet (1760 yards or about 1609.3 metres). It is sometimes known as the statute mile in the United Kingdom or the international mile in the United States when it is necessary to distinguish it from the U.S. survey mile of 5 280 U.S. survey feet (1609.3472 m) the nautical mile (1 852 metres) or historic miles.