How to convert kilometers per hour to miles per hour
To convert kilometers per hour to miles per hour, multiply the value by the conversion factor 0.6213711922. To go the other way, multiply by 1.609344 (or divide by 0.6213711922).
Worked example: 60 km/h to mph
- Write the value: 60 km/h
- Multiply by 0.6213711922: 60 × 0.6213711922
- Result: 37.2823 mph
Kilometer per Hour to Mile per Hour conversion table
Quick reference values, rounded to 6 significant digits.
| Kilometer per Hour (km/h) | Mile per Hour (mph) |
|---|---|
| 0.1 km/h | 0.0621371 mph |
| 0.25 km/h | 0.155343 mph |
| 0.5 km/h | 0.310686 mph |
| 1 km/h | 0.621371 mph |
| 2 km/h | 1.24274 mph |
| 3 km/h | 1.86411 mph |
| 4 km/h | 2.48548 mph |
| 5 km/h | 3.10686 mph |
| 6 km/h | 3.72823 mph |
| 7 km/h | 4.3496 mph |
| 8 km/h | 4.97097 mph |
| 9 km/h | 5.59234 mph |
| 10 km/h | 6.21371 mph |
| 12 km/h | 7.45645 mph |
| 15 km/h | 9.32057 mph |
| 20 km/h | 12.4274 mph |
| 25 km/h | 15.5343 mph |
| 30 km/h | 18.6411 mph |
| 40 km/h | 24.8548 mph |
| 50 km/h | 31.0686 mph |
| 75 km/h | 46.6028 mph |
| 100 km/h | 62.1371 mph |
| 250 km/h | 155.343 mph |
| 500 km/h | 310.686 mph |
| 1,000 km/h | 621.371 mph |
Mile per Hour to Kilometer per Hour
| mph | km/h |
|---|---|
| 1 mph | 1.60934 km/h |
| 5 mph | 8.04672 km/h |
| 10 mph | 16.0934 km/h |
| 50 mph | 80.4672 km/h |
| 100 mph | 160.934 km/h |
1 Kilometer per Hour in other speed units
About Kilometer per Hour and Mile per Hour
What is a kilometer per hour (km/h)?
Kilometers per hour is used on speedometers and road signs in Bangladesh and most of the world.
What is a mile per hour (mph)?
Miles per hour is used for road speed in the US and UK.
Where kilometer per hour to mile per hour conversion is used
Speed conversions are needed for driving, wind speed reports, aviation, sports and physics problems. Converting between kilometers per hour and miles per hour is especially common when you compare products, read foreign specifications, or fill in forms that expect a specific unit.
Need every unit at once? Use the full Speed Converter.
Frequently asked questions
How many miles per hour are in 1 kilometer per hour?
1 Kilometer per Hour equals 0.621371 mph.
How do I convert kilometers per hour to miles per hour?
Multiply the number of kilometers per hour by 0.6213711922. For example, 60 km/h × 0.6213711922 = 37.2823 mph.
What is 60 km/h in mph?
60 km/h = 37.2823 mph.
How many kilometers per hour are in 1 mile per hour?
1 Mile per Hour equals 1.60934 km/h. Use the MPH to km/h converter for the reverse direction.
Is this Kilometer per Hour to Mile per Hour converter accurate?
Yes. It uses exact internationally defined conversion factors, calculated with full floating-point precision. Results are displayed rounded for readability.