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# How long is a kilometer?

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### Quick Answer

A kilometer is equal to 1,000 meters or 0.62137 miles. This is the primary measure of large distances throughout most of the world, though the United States still uses the mile as its standard.

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### Full Answer

Officially, the definition of a meter is the length of the path travelled by light in a vacuum during a time interval of 1/299,792,458 of a second. Therefore, the official definition of a kilometer is ten times that distance, which happens to be 1,000 meters. For a real world comparison, imagine Central Park in New York City. It is 849 meters wide — just short of a kilometer — and approximately 4 kilometers long.

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## Related Questions

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A 1-kilometer race is equal to racing 0.62137 miles, or 1093.6 yards. In modern athletics, there is no race that is the equivalent of 1 kilometer, although there is an occasional 1-mile event, which is the equivalent of 1.609344 kilometers.

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One mile is larger than one kilometer. Both are units of length that are used around the world. Kilometers are metric units, while miles are customary units.

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A kilometer is a metric unit of measurement that is used to measure distance. One kilometer is 1,000 meters. It is equal to .62 miles.

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A 1k run is equal to 1,000 meters. Many track and field athletes consider this to be a short course in comparison to other competitions such as 5k and 10k races.

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