Convert Yards To Kilometers
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This measurement conversion is based on a simple rule: 1 yd = 0.00091 km A yard (abbreviation: yd) is a unit of length in several different systems, including English units, Imperial units, and United States customary units. It is equal to 3 feet or 36 inches, although its length in SI units varied slightly from system to system. The most commonly used yard today is the international yard, which is defined to be exactly 0.9144 metre.
The kilometre (American spelling: kilometer), symbol km, is a unit of length in the metric system, equal to one thousand metres and is therefore exactly equal to the distance travelled by light in free space in 1/299,792.458 of a second.