Those Boring Tools
File & Data ConvertersPrivate by design

MPH to KM/H Converter

Enter a speed in mph to convert it to km/h, or switch units to convert the other way.

How to use this tool

  1. 1Enter a speed in miles per hour.
  2. 2The result in km/h updates instantly.
  3. 3Use the swap button to convert km/h to mph instead.

Frequently asked questions

How many km/h is 1 mph?+

1 mph equals approximately 1.60934 km/h.

Keep the boring tools boring.

If this saved you five minutes of nonsense, you can help keep the free tools running.

Buy the toolbox a coffee