mph to km/h
Enter a value in miles per hour to get the equivalent in kilometers per hour.
Result
1 mph = 1.609344 km/h.
Example
Convert miles per hour to kilometers per hour in your browser using the exact factor 1 mph = 1.609344 km/h.
1 mph = 1.609344 km/h.
Processed locally in your browser.
Methodology
1 mile per hour equals 1.609344 kilometers per hour, so kilometers per hour = miles per hour × 1.609344.
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