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Convert Kilometer to Mile

Please provide values below to convert kilometer [km] to mile [mi], or vice versa.

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10 kilometers is about a London bus's length.

Kilometer

Definition: A kilometer is a unit of length in the International System of Units (SI), equal to 1000 meters.

History/origin: The prefix "kilo-" is a metric prefix indicating a factor of one thousand, so a kilometer is, by definition, one thousand meters.

Current use: The kilometer is the standard unit for expressing geographic distances in most of the world. The United States and, to a lesser extent, the United Kingdom, primarily use miles instead.

Mile

Definition: A mile is a unit of length in the imperial and US customary systems of measurement, equal to 5,280 feet, or 1,609.344 meters.

History/origin: The mile derives from the Roman "mille passus", meaning "a thousand paces".

Current use: The mile is used mainly in the United States and the United Kingdom for road distances, speed limits, and everyday distance estimates.

Kilometer to Mile Conversion Table

Kilometer [km]Mile [mi]
1 km0.621371 mi
5 km3.106855 mi
10 km6.21371 mi
21.1 km13.110928 mi
26.2 km16.27992 mi
42.2 km26.221856 mi
50 km31.06855 mi
100 km62.1371 mi

How to Convert Kilometer to Mile

1 km = 0.621371 mi
1 mi = 1.609344 km

Example: convert 15 km to mi:
15 km = 15 × 0.621371 mi = 9.320565 mi

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