Kilometers/hour to Miles/hour Converter
Convert km/h to mph instantly — and see every other speed unit at once.
1 km/h=0.621371 mph
1 km/h in every unit
Meters/second
0.277778m/s
Kilometers/hourfrom
1km/h
Miles/hour
0.621371mph
Feet/second
0.911344ft/s
Knots
0.539957kn
Mach
8.1630e-4M
Common Kilometers/hour to Miles/hour conversions
| Kilometers/hour (km/h) | Miles/hour (mph) |
|---|---|
| 30 km/h | 18.64114 mph |
| 50 km/h | 31.06856 mph |
| 60 km/h | 37.28227 mph |
| 80 km/h | 49.7097 mph |
| 100 km/h | 62.13712 mph |
| 110 km/h | 68.35083 mph |
| 120 km/h | 74.56454 mph |
| 130 km/h | 80.77825 mph |
| 150 km/h | 93.20568 mph |
| 200 km/h | 124.27424 mph |
| 300 km/h | 186.41136 mph |
The formula
Kilometers per hour are used for vehicle speeds in most countries worldwide.
Miles per hour are used for vehicle speeds in the US, UK, and a few other countries.
Worked examples
100 km/h→62.14 mph— Highway speed
Apply km/h ÷ 1.60934 with input = 100. Result: 62.14 mph.
60 km/h→37.28 mph— Urban speed limit
Apply km/h ÷ 1.60934 with input = 60. Result: 37.28 mph.
120 km/h→74.56 mph— Autobahn speed
Apply km/h ÷ 1.60934 with input = 120. Result: 74.56 mph.
1000 km/h→621.4 mph— Supersonic
Apply km/h ÷ 1.60934 with input = 1000. Result: 621.4 mph.
FAQ
How do I convert Kilometers/hour to Miles/hour?
Use the formula: mph = km/h ÷ 1.60934. You can also use the converter above — type any value and the result updates instantly.
Where are Kilometers/hour used?
Kilometers per hour are used for vehicle speeds in most countries worldwide.
Where are Miles/hour used?
Miles per hour are used for vehicle speeds in the US, UK, and a few other countries.