Kilometers to Miles Converter — Free Distance Conversion Calculator

Kilometers to Miles Converter

Convert kilometers to miles with our free online calculator. Quick, accurate, and easy-to-use distance conversion tool.

Step 1: Enter Distance

100 km

About Kilometers and Miles

Kilometers (km) are the standard unit of distance in the metric system, used worldwide. Miles (mi) are used primarily in the United States and United Kingdom. 1 kilometer equals approximately 0.621371 miles.

Step 2: Options

Conversion Formula

To convert kilometers to miles, multiply the kilometers by 0.621371. To convert miles to kilometers, multiply the miles by 1.60934.

Conversion Results

Summary
Common Distances
Formula

Conversion Result

62.14 miles
100 kilometers equals 62.137 miles
Kilometers
100 km
Miles
62.14 mi
Feet
328,084 ft
Yards
109,361 yd

Common Distance Conversions

Kilometers Miles Common Use

Conversion Formula

Kilometers to Miles: miles = kilometers × 0.621371

To convert kilometers to miles, multiply the distance in kilometers by 0.621371. This is the standard conversion factor used internationally.

Miles to Kilometers: kilometers = miles × 1.60934

To convert miles to kilometers, multiply the distance in miles by 1.60934. This is the reciprocal of the kilometers to miles conversion factor.

Quick Reference

1 km
0.621 mi
5 km
3.107 mi
10 km
6.214 mi
Marathon (42.195 km)
26.219 mi

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