Kilometers to Miles Converter

How to convert Kilometers to Miles

To convert Kilometers to Miles, multiply the value in Kilometers by 0.62137119. For example, 5 km = 3.106856 mi.

Going from Kilometers to Miles means applying a fixed conversion factor: one Kilometers (km) is exactly 0.62137119 Miles (mi). Type any number into the converter above and the equivalent updates instantly, or use the reference table for quick lookups.

Length conversions are among the most common everyday calculations — whether you're following a recipe from another country, planning a DIY project, reading a map, or working with international product specifications.

Understanding Kilometers and Miles

Length and distance units split broadly into two systems: the metric system (meters, centimeters, kilometers) used by most of the world, and the imperial/US customary system (inches, feet, yards, miles) still standard in the United States. Engineering, construction, aviation, and shipping each rely on specific units — nautical miles for sea and air navigation, feet for altitude, millimeters for precision manufacturing.

How accurate is this conversion?

All length conversions on this page are exact by international agreement. Since 1959 the inch has been defined as exactly 2.54 centimeters, which makes every imperial-to-metric length conversion precise rather than approximate.

All conversion factors on ClearUnits are based on internationally recognised standards (the International System of Units, SI, and official definitions). Factors are reviewed for accuracy and the calculator uses full-precision values, rounding only the displayed result.

Quick reference: common Kilometers to Miles values

The most frequently searched conversions are 1 Kilometers = 0.62137119 Miles, 5 Kilometers = 3.106856 Miles, 10 Kilometers = 6.2137119 Miles, and 100 Kilometers = 62.137119 Miles. The full table further down covers every common value, and the calculator handles any number you need in between.