Convert Kilometers Per Hour to Miles Per Hour
Use our free online converter to easily convert from Kilometers Per Hour to Miles Per Hour. Get accurate conversions instantly.
Converting Kilometers Per Hour to Miles Per Hour
Converting kilometers per hour to miles per hour is essential for drivers and travelers moving between countries with different speed measurement systems, such as crossing from Canada or Europe into the United States.
Mathematical Relationship
The mathematical relation between kilometers per hour and miles per hour is: 1 km/h = 0.621371 mph. To convert a speed in kilometers per hour to miles per hour, multiply the km/h value by 0.621371.
Common Conversion Values
| Kilometers Per Hour | Miles Per Hour |
|---|---|
| 30 | 18.64 |
| 50 | 31.07 |
| 60 | 37.28 |
| 100 | 62.14 |
| 120 | 74.56 |
Unit Definitions
Kilometers Per Hour
Kilometers per hour (symbol: km/h) is a unit of speed in the metric system, representing the number of kilometers traveled in one hour. It is the standard unit for road speed limits in most countries worldwide.
Miles Per Hour
Miles per hour (symbol: mph) is a unit of speed in the imperial and US customary systems, representing the number of miles traveled in one hour. It is used for road speed limits in the United States, the United Kingdom, and a few other countries.