Inch: Difference between revisions
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imported>Milton Beychok (Trying to make various articles about units of length somewhat consistent) |
imported>Milton Beychok m (Deleted "thou" as an esoteric, out-of-date piece of trivia which is not needed.) |
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{{see also|U.S. customary units}} | {{see also|U.S. customary units}} | ||
The '''inch''' (abbreviation: '''in''' and often the double prime " ) is a unit of length in the [[Imperial units|Imperial]] and the [[U.S. customary units|U.S. customary]] [[systems of measurement]]. An inch is equal to 1,000 [[ | The '''inch''' (abbreviation: '''in''' and often the double prime " ) is a unit of length in the [[Imperial units|Imperial]] and the [[U.S. customary units|U.S. customary]] [[systems of measurement]]. An inch is equal to 1,000 [[mil]], and twelve inches are equal to one [[foot (measure)|foot]]. | ||
The inch was originally derived from the breadth of a man's thumb, although its precise definition has changed over the years as the two systems have evolved. The inch used today is the '''''international inch''''', which is equal to 1/12 of a foot, or 2.54 [[centimetre]]s. | The inch was originally derived from the breadth of a man's thumb, although its precise definition has changed over the years as the two systems have evolved. The inch used today is the '''''international inch''''', which is equal to 1/12 of a foot, or 2.54 [[centimetre]]s. | ||
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The inch is equal to: | The inch is equal to: | ||
1,000 [[mil (measure)|mil]], 1/12 [[foot (measure)|foot]], or 1/36 [[yard]] | |||
or | or | ||
Revision as of 14:44, 9 April 2011
- See also: U.S. customary units
The inch (abbreviation: in and often the double prime " ) is a unit of length in the Imperial and the U.S. customary systems of measurement. An inch is equal to 1,000 mil, and twelve inches are equal to one foot.
The inch was originally derived from the breadth of a man's thumb, although its precise definition has changed over the years as the two systems have evolved. The inch used today is the international inch, which is equal to 1/12 of a foot, or 2.54 centimetres.
Conversions
The inch is equal to:
1,000 mil, 1/12 foot, or 1/36 yard
or
2.54 centimetres, 254 millimetres and multiples thereof.