Speed Converter
Convert between different units of speed including mph, km/h, m/s, and more.
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Conversion Formula
1 mph = 1.60934 km/h
To convert between speed units, convert to the base unit (meters per second) first, then to the target unit.
Frequently Asked Questions
How do I convert mph to km/h?
Multiply the speed in mph by 1.60934. For example, 60 mph = 60 × 1.60934 = 96.56 km/h.