Miles to km Converter
Convert miles to kilometers instantly with a fast online calculator, clear formula, practical examples, and accurate length conversion references.
mi to km Calculator
Enter a value and the conversion updates automatically.
Result updates automatically.
Formula: kilometers = miles × 1.609344
How to Convert Mile to Kilometer
Use the standard length conversion factor: multiply miles by 1.609344 to get kilometers. This page is useful for construction, travel, school work, product dimensions, and everyday measurement checks.
1 mile
1.609344 kilometers
10 miles
16.09344 kilometers
100 miles
160.9344 kilometers
Length Formula Notes
The calculator uses exact metric and imperial reference factors wherever possible.
Miles to km Converter FAQ
How do I convert miles to kilometers?
Multiply the miles value by 1.609344 to get kilometers.
Can I reverse the conversion?
Yes. Use the swap button to reverse the units and convert kilometers back to miles.
Is this converter accurate?
It uses standard length conversion factors and displays practical precision for everyday and professional reference use.