Kilometers to Miles converter

Convert kilometers (km) to miles (mi). Factor: 1 km = 0.621371192237334 mi.

Converter tool

Formula: mi = km × 0.621371192237334

Quick examples

KilometersMiles
10.62137
21.24274
53.10686
106.21371
2515.534
5031.069
10062.137
200124.27

How to convert Kilometers to Miles

Formula: mi = km × 0.621371192237334.

Reverse conversion: km = mi × 1.609344

Tip: Use the swap button to reverse the calculation instantly.

Kilometers → Miles FAQs

What is the exact conversion factor?

Kilometers × 0.621371192237 = Miles.

How do I go the other way?

km = mi × 1.609344

Are the results rounded?

Calculations use exact constants; values are displayed with sensible rounding for readability.