Miles per hour (mph) to Kilometers per hour (km/h) Conversion
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
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 (mph) | Kilometers per hour (km/h) |
|---|---|
| 0.1 mph | 0.1609 km/h |
| 1 mph | 1.6093 km/h |
| 2 mph | 3.2187 km/h |
| 3 mph | 4.828 km/h |
| 5 mph | 8.0467 km/h |
| 10 mph | 16.0934 km/h |
| 20 mph | 32.1868 km/h |
| 30 mph | 48.2802 km/h |
| 50 mph | 80.467 km/h |
| 100 mph | 160.934 km/h |
| 1000 mph | 1,609.34 km/h |
Frequently Asked Questions (FAQ)
How many kilometers per hour are in 1 miles per hour?
1 miles per hour (mph) is exactly 1.6093 kilometers per hour (km/h).
How do I convert miles per hour to kilometers per hour?
Multiply the value in miles per hour by 1.6093 to get the result in kilometers per hour. Or use the converter above — type any number and see the result instantly.