Kilometer per hour to Mile per hour

About this conversion

To convert Kilometer per hour to Mile per hour, multiply the number of Kilometer per hour by 0.6213711922.

Speed is quoted in kilometers per hour, miles per hour, meters per second or knots depending on the country and whether you are driving, running, sailing or doing physics.

Conversion table

How to use this converter

1. 1
   Enter your Kilometer per hour value

   Type any number into the Kilometer per hour field. It starts at 1 so you can read the rate straight away.

2. 2
   Read the Mile per hour result

   The amount in Mile per hour updates as you type, so there is no button to press and nothing to wait for.

3. 3
   Swap or keep exploring

   Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Mile per hour are in one Kilometer per hour?

One Kilometer per hour equals 0.6213711922 mph. Enter any amount above to get an exact figure for your own value.

Is this converter accurate?

Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.

Do you upload the numbers I enter?

No. The Kilometer per hour to Mile per hour conversion runs entirely in your browser tab, and nothing you type is sent to a server.

Does it work on my phone?

Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.