yard, abbr. yd, basic unit of length in the customary system of English units of measurement English units of measurement, principal system of weights and measures used in a few nations, the only major industrial one being the United States. It actually consists of two related systems—the U.S.
..... Click the link for more information. ; all other units in the English system, such as the inch, foot, rod, and mile, are derived from it. Since 1893 the yard has been defined in terms of the meter meter, abbr. m, fundamental unit of length in the metric system . The meter was originally defined as 1/10,000,000 of the distance between the equator and either pole; however, the original survey was inaccurate and the meter was later defined simply as the distance
..... Click the link for more information. , the basic unit of length in the metric system metric system, system of weights and measures planned in France and adopted there in 1799; it has since been adopted by most of the technologically developed countries of the world.
..... Click the link for more information. . For a long time the yard was held to equal 3600/3937 of a meter; it has since been recalculated so that 1 yd equals 0.9144 m. In the United States results of geodetic surveys are still expressed in feet based on the former definition of the yard; this is known as the U.S. Survey Foot, defined as 1200/3937 of a meter.

yard

Unit of length equal to 36 inches, or 3 feet (see foot), in the U.S. Customary System or 0.9144 metre in the International System of Units. A cloth yard, used to measure cloth, is 37 in. long; it was also the standard length for arrows. In casual speech, a yard (e.g., of concrete, gravel, or topsoil) may refer to a cubic yard.

yard (redirected from Yard (unit of length))

yard

yard
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