Mph to Kmh ConverterRight in Your Browser
Convert miles per hour (mph) to kilometers per hour (km/h). Miles per hour (mph) is the road-speed unit of the US and UK, used for speed limits and wind speeds. Kilometers per hour (km/h) is the road-speed unit in most countries — speed limits, car dashboards and weather reports. Everything is calculated locally in your browser — no server, and it works offline.
1.60934 km/h
in kilometers per hour (kilometer per hour)
To convert miles per hour to kilometers per hour, multiply the mile per hour value by 1.60934.
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| Miles per hour (mph) | Kilometers per hour (km/h) |
|---|---|
| 1 | 1.60934 |
| 2 | 3.21869 |
| 3 | 4.82803 |
| 4 | 6.43738 |
| 5 | 8.04672 |
| 10 | 16.0934 |
| 20 | 32.1869 |
| 50 | 80.4672 |
| 100 | 160.934 |
Frequently Asked Questions
How many kilometers per hour are in a mile per hour?
One mile per hour equals 1.60934 kilometers per hour (1 mph = 1.60934 km/h). So to go from miles per hour to kilometers per hour, multiply the mile per hour value by 1.60934.
What is the formula to convert miles per hour to kilometers per hour?
To convert miles per hour to kilometers per hour, multiply the mile per hour value by 1.60934. For example, 10 mph is 16.0934 km/h.
What is 60 miles per hour in kilometers per hour?
60 miles per hour — a common highway speed limit — is 96.5606 kilometers per hour. The converter above works for any value, entirely in your browser.
Is the mile per hour to kilometer per hour conversion exact?
The factor used here is the defined value: 1 mph = 1.609344 km/h. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.