Mile Per Hour to Kilometer Per Hour Converter (mph to km/h)

How to convert miles per hour to kilometers per hour

How many kilometers per hour are in a mile per hour? 1 mile per hour is about 1.609344 kilometers per hour. This free mph to km/h converter and mile per hour to kilometer per hour calculator gives the answer instantly for any value, and the same conversion is also written as mile per hour to kilometre per hour and mph to kmph.

To convert mile per hour (mph) to kilometer per hour (km/h), multiply the value in miles per hour by 1.6093439999.

km/h = mph × 1.6093439999

1. 1

   Take the value in miles per hour

   For example, 25 mph.

2. 2

   Multiply by 1.6093439999

   25 × 1.6093439999.

3. 3

   Read the answer in kilometers per hour

   25 mph = 40.2336 km/h.

Mile Per Hour to Kilometer Per Hour conversion table

Common values from 1 to 1,000 miles per hour converted to kilometers per hour.

About miles per hour and kilometers per hour

mph to km/h: common questions

How many kilometers per hour are in 1 mile per hour?

1 mile per hour (mph) is approximately equal to 1.609344 kilometers per hour (km/h). In short: 1 mph ≈ 1.609344 km/h.

How do I convert miles per hour to kilometers per hour?

To convert mph to km/h, multiply the value in miles per hour by 1.6093439999. For example, 5 mph = 8.04672 km/h.

How do I convert kilometers per hour to miles per hour?

To convert km/h to mph, divide the value in kilometers per hour by 1.6093439999. Or open the Kilometer Per Hour to Mile Per Hour converter, which does it for you.

What is 10 mph in km/h, and what is 100 mph?

10 mph = 16.09344 km/h, and 100 mph = 160.93439999 km/h. The table above lists more values from 1 to 1,000.

Is this mph to km/h converter accurate?

Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.

Kilometer Per Hour to Mile Per Hour converter →All Speed converters →