Speed

mph to km/h converter

Type a value to convert mph to km/h instantly. 1 mph equals about 1.60934 km/h.

Enter mph

⇄ Convert km/h to mph instead

mph → km/h
1.60934km/h
1 mph converted
How to convert
km/h = mph × 1.60934
Reverse: mph = km/h × 0.6213727366

Converting mph to km/h

mph and km/h are units of speed. One mph equals 1.60934 km/h. Just type a value in the box above to convert instantly — useful for recipes, drawings, product specs and travel between metric and imperial units.

mph to km/h conversion chart

mphkm/h
1 mph1.60934 km/h
2 mph3.21868 km/h
3 mph4.82802 km/h
5 mph8.0467 km/h
10 mph16.0934 km/h
20 mph32.1868 km/h
50 mph80.467 km/h
100 mph160.934 km/h

Frequently asked questions

How many km/h are in one mph?
1 mph = 1.60934 km/h.
How do I convert km/h back to mph?
Multiply the km/h value by 0.6213727366 to get mph.
Is my input sent to a server?
No. Everything is calculated locally in your browser and nothing is uploaded or stored.