Kilometer (km) to Mile (mi) Conversion

Convert kilometer (km) to mile (mi) with precision. Enter values and get instant conversions.

About Kilometer (km) to Mile (mi) Conversion

Converting from Kilometer (km) to Mile (mi) is a common length conversion.

This online converter allows you to easily convert between kilometer (km) and mile (mi), providing instant results with high precision.


Kilometer (km)

Definition: A kilometer (symbol: km) is a unit of length in the International System of Units (SI). One kilometer equals 1,000 meters or approximately 0.6214 miles.

History: The prefix 'kilo-' denotes a thousand. The kilometer's origin is tied to the meter, evolving alongside its definitions. Its modern interpretation relies on the 1983 definition of the meter based on the speed of light, ensuring global consistency.

Current use: It is the standard unit for expressing geographical distances (e.g., between cities) in most countries. The US and UK still use miles for road distances, though the UK officially adopted the metric system for other applications.

Mile (mi)

Definition: A mile (symbol: mi) is a unit of length equal to 5,280 feet or exactly 1,609.344 meters. It remains a primary unit for distance in the US and UK.

History: Originated from the Roman 'mille passus' (1,000 paces). The statute mile was formalized in 1593 under Queen Elizabeth I. The international mile was standardized in 1959 to align with the meter.

Current use: Dominates US transportation (road signs, speed limits) and athletics (mile runs). The UK uses miles for road distances despite metrication in other sectors.

Details

  • From: Kilometer (km)
  • To: Mile (mi)
  • Formula: 1 km = 0.6213711922 mi
  • Example: 25 km = 15.5342798059 mi

Kilometer (km) to Mile (mi) Conversion Table

Kilometer (km)Mile (mi)
0.010.0062137119
0.10.0621371192
10.6213711922
21.2427423845
31.8641135767
53.1068559612
106.2137119224
2012.4274238447
5031.0685596119
10062.1371192237
1000621.3711922373

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