Miles to Kilometers converter

Convert miles (mi) to kilometers (km). Exact factor: 1 mi = 1.609344 km.

Converter tool

Formula: km = mi × 1.609344

Quick examples

MilesKilometers
11.60934
23.21869
58.04672
1016.093
2540.234
5080.467
100160.93
200321.87

How to convert Miles to Kilometers

Formula: km = mi × 1.609344.

Reverse conversion: mi = km × 0.621371192237334

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

Miles → Kilometers FAQs

What is the exact conversion factor?

Miles × 1.609344000000 = Kilometers.

How do I go the other way?

mi = km × 0.621371192237334

Are the results rounded?

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