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The international yard and pound agreement of July 1959 defined the length of the international yard in the United States and countries of the Commonwealth of Nations as exactly 0.9144 meters. Consequently, since a foot is one third of a yard, the international foot is defined to be equal to exactly 0.3048 meters.
The yard (symbol: yd) [3] [4] is an English unit of length in both the British imperial and US customary systems of measurement equalling 3 feet or 36 inches. Since 1959 it has been by international agreement standardized as exactly 0.9144 meter. A distance of 1,760 yards is equal to 1 mile. The US survey yard is very slightly longer.
For example, multiplying the lengths (in meters or feet) of the two sides of a rectangle gives its area (in square meters or square feet). Such a product is the subject of dimensional analysis. The inverse operation of multiplication is division. For example, since 4 multiplied by 3 equals 12, 12 divided by 3 equals 4.
The siriometer is an obsolete astronomical measure equal to one million astronomical units, i.e., one million times the average distance between the Sun and Earth. [13] This distance is equal to about 15.8 light-years , 149.6 Pm , or 4.8 parsecs , and is about twice the distance from Earth to the star Sirius .
This is a list of the NCAA Division I indoor champions in the 60 meters, 55 meters, or 60 yards. Generally the imperial distance was contested until 1983, the 55 meter dash was held from 1984 to 1999, and the 60 meters was contested thereafter.
The definition of the rod went from 15 old feet to 16 + 1 ⁄ 2 new feet, or from 5 old yards to 5 + 1 ⁄ 2 new yards. The furlong went from 600 old feet to 660 new feet, or from 200 old yards to 220 new yards. The acre went from 36,000 old square feet to 43,560 new square feet, or from 4,000 old square yards to 4,840 new square yards. [4]
yards Itinerary 157 m 172 yd used in measuring the distance of a journey. [5] Jean Antoine Letronne, 1816 [2] Olympic 192 m [6] 210 yd 200 Heracles steps Carl Ferdinand Friedrich Lehmann-Haupt, 1929 [4] [7] Ptolemaic [8] or Attic 185 m 202 yd 600 × 308 mm Otto Cuntz, 1923; [4] [8] D.R. Dicks, 1960 [3] [9] Babylonian–Persian 196 m 214 yd 600 ...
The base unit in the International System of Units (SI) is the meter, defined as "the length of the path travelled by light in vacuum during a time interval of 1 ⁄ 299792458 seconds." [ 9 ] It is approximately equal to 1.0936 yd .