Length Conversion Calculator

KM to Miles Converter

Convert kilometers to miles instantly. Use the km to miles formula, examples, conversion chart, and calculator. This page is focused on one common conversion so the answer is fast, clear, and easy to verify.

Kilometers to Miles calculator

5 km is equal to 3.10686 miles.

km to mi formula

miles = kilometers x 0.621371.

\[\text{miles} = \text{kilometers} \times 0.621371\]

5 km is equal to 3.10686 miles.

Conversion chart

KilometersMiles
1 km0.621371 mi
5 km3.10686 mi
10 km6.21371 mi
21.0975 km13.1094 mi
42.195 km26.2188 mi
100 km62.1371 mi

More length tools related to km and mi

If you need the opposite direction, open the Miles to KM Converter. For a larger unit list with meters, feet, inches, centimeters, yards, miles, kilometers, millimeters, and more, use the main Length Converter.

For quick checks in the same topic cluster, compare KM to Miles Converter, Miles to KM Converter. These pages use the same standard conversion logic but are written for one common search at a time.

For broader measurement work, the Unit Converters hub groups length, weight, temperature, area, volume, speed, pressure, energy, and data storage tools in one place.

KM to Miles Converter FAQ

How do I convert kilometers to miles?

Use the formula miles = kilometers x 0.621371. Enter your value above and the calculator will apply the conversion factor automatically.

Why does the result have decimals?

Many metric and imperial conversions are not whole-number conversions, so decimals are normal. Round the result to the precision your project needs.

Is this the same as the main Length Converter?

This page is optimized for the specific km to mi search. The main Length Converter supports more units and reverse conversions.

Can I use this on mobile?

Yes. The calculator is designed with large input fields and responsive cards for phones, tablets, and desktops.