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{{#invoke:Hatnote|hatnote}}

The former Weights and Measures office in Seven Sisters, London.

The system of imperial units or the imperial system (also known as British Imperial<ref name="Publishing2010">{{#invoke:citation/CS1|citation |CitationClass=book }}</ref>) is the system of units first defined in the British Weights and Measures Act of 1824, which was later refined and reduced. The system came into official use across the British Empire. By the late 20th century, most nations of the former empire had officially adopted the metric system as their main system of measurement; however some imperial units are still used in the United Kingdom, Canada and other countries formerly part of the British Empire. The imperial system developed from what were first known as English units, as did the separate system of United States customary units.


Imperial units sections
Intro  Implementation  Units   Natural equivalents    Relation to other systems    Current use of imperial units    See also   Notes   References    External links   

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{{#invoke:Hatnote|hatnote}}

The former Weights and Measures office in Seven Sisters, London.

The system of imperial units or the imperial system (also known as British Imperial<ref name="Publishing2010">{{#invoke:citation/CS1|citation |CitationClass=book }}</ref>) is the system of units first defined in the British Weights and Measures Act of 1824, which was later refined and reduced. The system came into official use across the British Empire. By the late 20th century, most nations of the former empire had officially adopted the metric system as their main system of measurement; however some imperial units are still used in the United Kingdom, Canada and other countries formerly part of the British Empire. The imperial system developed from what were first known as English units, as did the separate system of United States customary units.


Imperial units sections
Intro  Implementation  Units   Natural equivalents    Relation to other systems    Current use of imperial units    See also   Notes   References    External links   

PREVIOUS: IntroNEXT: Implementation
<<>>