Mile
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The mile, sometimes the international mile or statute mile to distinguish it from other miles, is a British imperial unit and United States customary unit of distance; both are based on the older English unit of length equal to 5,280 English feet, or 1,760 yards. The statute mile was standardised between the Commonwealth of Nations and the United States by an international agreement in 1959, when it was formally redefined with respect to SI units as exactly 1,609.344 metres.
A milestone in the City of Westminster showing the distance from Kensington Road to Hounslow and Hyde Park Corner in miles
The supposed remains of the Golden Milestone, the zero-mile marker of the Roman road network, in the Roman Forum
Edinburgh's "Royal Mile"—running from the castle to Holyrood Abbey—is roughly a Scots mile long.
Milestone on Mountbellew Bridge, erected c. 1760. Distances are given in Irish miles.
Imperial units
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The imperial system of units, imperial system or imperial units is the system of units first defined in the British Weights and Measures Act 1824 and continued to be developed through a series of Weights and Measures Acts and amendments.
The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road)
Imperial standards of length 1876 in Trafalgar Square, London
A baby bottle that measures in three measurement systems—metric, imperial (UK), and US customary
A one US gallon gas can purchased near the US-Canada border showing equivalences in imperial gallons and litres