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Speed converter
Miles per hour to Kilometers per hour
Convert miles per hour (mph) to kilometers per hour (km/h) instantly. Type a value in either box — it works both ways.
1 mph = 1.6093 km/h
Formula
Kilometers per hour = miles per hour × 1.6093ADVERTISEMENT
Miles per hour to Kilometers per hour conversion chart
| Miles per hour | Kilometers per hour |
|---|---|
| 10 mph | 16.0934 km/h |
| 20 mph | 32.1869 km/h |
| 30 mph | 48.2803 km/h |
| 40 mph | 64.3738 km/h |
| 50 mph | 80.4672 km/h |
| 60 mph | 96.5606 km/h |
| 70 mph | 112.6541 km/h |
| 80 mph | 128.7475 km/h |
| 100 mph | 160.9344 km/h |
| 120 mph | 193.1213 km/h |
About miles per hour and kilometers per hour
Both units measure speed. km/h and m/s are metric; mph is used in the US and UK; knots are used in aviation and at sea (1 knot = 1.852 km/h).
Related converters
Kilometers per hour to Miles per hourkm/h → mphKnots to Kilometers per hourkn → km/hMeters per second to Kilometers per hourm/s → km/h
Frequently asked questions
How many kilometers per hour are in a mile per hour?
There are 1.6093 kilometers per hour in one mile per hour (1 mph = 1.6093 km/h).
How do you convert miles per hour to kilometers per hour?
Multiply the number of miles per hour by 1.6093 to get kilometers per hour. The calculator above does this automatically as you type.
What is 50 mph in km/h?
50 mph = 80.4672 km/h. See the full conversion chart above for more common values.