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Home/Length Converters/KM ↔ Miles Converter

KM ↔ Miles Converter

Convert Between Kilometers and Miles
Conversion Formula

KM to Miles:

miles = kilometers × 0.621371

Miles to KM:

kilometers = miles ÷ 0.621371

Common KM to Miles Conversions
KilometersMiles
1 km0.621 mi
5 km3.107 mi
10 km6.214 mi
20 km12.427 mi
50 km31.069 mi
100 km62.137 mi
200 km124.274 mi
500 km310.686 mi
1000 km621.371 mi
About KM to Miles Conversion

Kilometers and miles are both units of distance measurement from different systems. Kilometers are part of the metric system, used worldwide for measuring distances. Miles are part of the imperial system, primarily used in the United States, United Kingdom, and a few other countries.

The relationship between kilometers and miles is precisely defined: 1 kilometer equals approximately 0.621371 miles. This conversion is essential for international travel, navigation, and various transportation applications.

Common Applications

  • Transportation: Road trip planning and vehicle navigation systems
  • Sports and Fitness: Running and cycling distance tracking
  • Aviation and Maritime: Flight planning and nautical navigation
  • International Travel: Understanding local distance measurements
  • Automotive: Odometer readings and fuel efficiency calculations

Conversion Tips

  • Always use the exact conversion factor of 0.621371 for precise calculations
  • Round results appropriately based on your precision requirements
  • Double-check critical measurements for navigation and travel planning
  • For quick estimates: 1 km ≈ 0.6 miles, 1 mile ≈ 1.6 km
Specific Converters
CM ↔ InchesMM ↔ InchesKG ↔ LBSKM ↔ MilesCelsius ↔ FahrenheitGrams ↔ Ounces