Miles per hour to Kilometers per hour (mph to km/h) Converter
Convert miles per hour to kilometers per hour (mph to km/h) instantly. 1 mph = 1.609344 km/h. Free speed converter with formula and chart.
Miles per hour to Kilometers per hour (mph to km/h) Converter
Our free mph to km/h converter changes speeds between metric and imperial units instantly. 1 mph equals 1.609344 km/h.
mph to km/h formula
km/h = mph × 1.609344
mph to km/h chart
| mph | km/h |
|---|---|
| 10 mph | 16.09 km/h |
| 30 mph | 48.28 km/h |
| 50 mph | 80.47 km/h |
| 60 mph | 96.56 km/h |
| 80 mph | 128.75 km/h |
| 100 mph | 160.93 km/h |
| 120 mph | 193.12 km/h |
Speed units explained
Kilometers per hour (km/h) is the speed unit used on roads in most countries.
Miles per hour (mph) is used for road speed limits in the United States and the United Kingdom.
How to use the mph to km/h converter
- Enter the speed in mph.
- Choose the precision.
- Click Submit.
- Read the result in km/h.
Common use cases
- Understanding speed limits when driving abroad
- Comparing car, bike and running speeds
- Reading weather wind speeds
- Sports and fitness tracking
Frequently asked questions
How fast is 100 mph in km/h?
100 mph is about 160.93 km/h.
Is the conversion exact?
Yes. One mile is exactly 1.609344 kilometers.
How do I convert back?
Use the reverse converter in the related tools below.
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