Kilometers per hour to miles per hour (km/h to mph)
1 km/h = 0.6213711922 mph. Enter any value below to convert kilometers per hour to miles per hour instantly, or use the speed converter for every other unit.
1 km/h = 0.6213711922 mph1 km/h = 0.6213711922 mph
1 km/h = 1/3.6 m/s 1 mph = 0.44704 m/s (exact)
Result in Miles per hour (mph)
0.6213711922
Reverse factor
1 mph = 1.609344 km/h
Common speed conversions
1 mph
1.609344 km/h
1 km/h
0.6213711922 mph
1 kn
1.852 km/h
1 m/s
3.6 km/h
1 mph
0.44704 m/s
1 kn
1.150779448 mph
Kilometers per hour to miles per hour conversion table
Kilometers per hour to miles per hour
Kilometers per hour (km/h)
Miles per hour (mph)
10 km/h
6.213711922 mph
30 km/h
18.64113577 mph
50 km/h
31.06855961 mph
60 km/h
37.28227153 mph
80 km/h
49.70969538 mph
100 km/h
62.13711922 mph
110 km/h
68.35083115 mph
120 km/h
74.56454307 mph
130 km/h
80.77825499 mph
The formula
mph = km/h × 0.6213711922
1 km/h = 1/3.6 m/s. 1 mph = 0.44704 m/s (exact). These are exact definitions, so the only rounding is in the displayed result (10 significant digits).
When you need it
Km/h to mph is the conversion drivers need for speed limit signs in Canada, Mexico and Europe. Divide by 1.609344 — 100 km/h is about 62 mph, and 130 km/h (a common European motorway limit) is about 81 mph.