Kilometers per hour (km/h) to Miles per hour (mph) Conversion
Kilometers per hour
Kilometres per hour (km/h) is the standard unit for expressing speed in road transport, meteorology, and everyday life in all metric-system countries. Converting km/h to metres per second requires dividing by 3.6. Average human walking speed is approximately 5 km/h, highway speed limits range from 100 to 130 km/h, and commercial aircraft cruise at approximately 900 km/h.
Miles per hour
Miles per hour (mph) is the unit of speed used in road transport in the United States, United Kingdom, and a small number of other countries. One mile per hour equals approximately 1.60934 km/h or 0.44704 m/s. Speed limits on US interstate highways are commonly 65–75 mph, while the UK national speed limit is 70 mph.
| Kilometers per hour (km/h) | Miles per hour (mph) |
|---|---|
| 0.1 km/h | 0.0621 mph |
| 1 km/h | 0.6214 mph |
| 2 km/h | 1.2427 mph |
| 3 km/h | 1.8641 mph |
| 5 km/h | 3.1069 mph |
| 10 km/h | 6.2137 mph |
| 20 km/h | 12.4275 mph |
| 30 km/h | 18.6412 mph |
| 50 km/h | 31.0686 mph |
| 100 km/h | 62.1373 mph |
| 1000 km/h | 621.3727 mph |
Frequently Asked Questions (FAQ)
How many miles per hour are in 1 kilometers per hour?
1 kilometers per hour (km/h) is exactly 0.621373 miles per hour (mph).
How do I convert kilometers per hour to miles per hour?
Multiply the value in kilometers per hour by 0.621373 to get the result in miles per hour. Or use the converter above — type any number and see the result instantly.