MPH to KMH Converter
Convert miles per hour to kilometers per hour, or km/h to mph, instantly.
Kilometers per Hour
96.5604
Speed Conversion Formula
Km/h = mph × 1.60934. Mph = km/h ÷ 1.60934.
Worked example
Convert 60 mph to km/h.
60 × 1.60934 ≈ 96.56
60 mph ≈ 96.56 km/h
Frequently Asked Questions
How do you convert mph to km/h?
Multiply the speed in mph by 1.60934 to get km/h — the same conversion factor used for miles to kilometers.
How do you convert km/h to mph?
Divide the speed in km/h by 1.60934 to get mph.
Why do speed limits differ between mph and km/h countries?
The US, UK, and a few other countries use miles per hour, while most of the world uses kilometers per hour — the conversion factor (1.60934) is exactly the same one used for distance, since speed is just distance over time.
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