Miles per hour to Kilometers per hour Conversion
How to convert miles per hour to kilometers per hour
1 mile per hour is equal to 1.609344 kilometers per hour:
1 mi/h = 1.609344 km/h
When a speed V in miles per hour is multiplied by 1.609344, it gives speed in kilometers per hour.
Vkm/h = Vmi/h × 1.609344
Example
To convert 30 miles per hour into kilometers per hour, it is multiplied by 1.609344:
(30 mi/h) × 1.609344 = 48.28032 km/h
Miles per hour
Miles per hour is a British imperial and United States customary unit of speed. It is equal to the number of miles traveled in one hour. The unit symbols are mph or mi/h.
Kilometers per hour
The kilometers per hour is a unit of speed (scalar quantity) and velocity (vector quantity). It is equal to the distance traveled a body in kilometers in one hour. The SI symbols is km/h, and abbreviations are kph, kmph, km/hr.
Quick Conversion Table
The quick mile per hour to kilometer per hour conversion table is given below:
| Miles per hour | Kilometers per hour |
|---|---|
| 10 mi/h | 16.093 km/h |
| 20 mi/h | 32.187 km/h |
| 30 mi/h | 48.28 km/h |
| 40 mi/h | 64.374 km/h |
| 50 mi/h | 80.467 km/h |
| 60 mi/h | 96.561 km/h |
| 70 mi/h | 112.654 km/h |
| 80 mi/h | 128.748 km/h |
| 90 mi/h | 144.841 km/h |
| 100 mi/h | 160.934 km/h |