Yard

From Citizendium
Revision as of 22:00, 25 June 2009 by imported>Milton Beychok (Added "see also" template)
Jump to navigation Jump to search
This article is developing and not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
 
This editable Main Article is under development and subject to a disclaimer.
See also: U.S. customary units

The yard is a unit of length in the Imperial System of Units and the United States customary system of units. It is equal to precisely three feet or 36 inches. 220 yards make a furlong, of which eight make a mile, therefore meaning that 1760 yards is equal to one mile.

The length of an inch in SI units is 2.54 cm exact. Hence the yard is equal to 0.9144 m (= 36×0.0254 m) exact.

The yard is used today in a wide range of capacities in the United States. It is also used in the United Kingdom, where it is the standard unit for displaying distances on roadsigns of less than half a mile. It is illegal for British road signs to display a distance in metres, and this has lead to incidents of anti-metric campaigners using the law to physically remove or disfigure metric roadsigns.

One yard is equal to;