Mph and kph are both units of speed.
Mph stands for miles per hour while kph stands for kilometers per hour.
Formula to convert mph to kph.
To convert one unit of speed to another you first need to know how they are related.
We are told that 1 mile per hour is equivalent to 1.609 kilometers per hour.
Therefore to convert mph to kph we multiply the miles per our value by 1.609.
Speed in kph = Speed in mph x 1.609
Convert 300 miles per hour to kilometers per hour.
= 300 x 1.609
= 482.7 kph