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Miles per Hour to Kilometers per Hour Converter
Convert miles per hour to kilometers per hour instantly and accurately. 1 mph = 1.6093 km/h. Type any value below β the result updates as you type.
How to use this tool
- 1Enter the value in miles per hour.
- 2Read the converted result in kilometers per hour instantly.
- 3Use the swap button to reverse the conversion, or pick any other unit.
Frequently asked questions
How do you convert miles per hour to kilometers per hour?+
1 mph = 1.6093 km/h. To convert, multiply the number of miles per hour by the conversion factor between mph and km/h. This calculator does it automatically as you type.
Is this miles per hour to kilometers per hour converter accurate?+
Yes. It uses exact SI/standard conversion factors, so results match official speed definitions to full precision.
Is it free and private?+
Completely free with no sign-up. All conversion happens in your browser β nothing is uploaded to a server.
Learn more
- Miles per Hour vs Kilometers per Hour: what's the difference?
- Miles per Hour to Kilometers per Hour conversion table
- How many kilometers per hour are in a mile per hour?