Convert miles per hour to kilometres per hour or the reverse, plus metres per second. Nothing leaves your browser.
1 mile = 1.609344 km exactly, so 1 mph = 1.609344 km/h = 0.44704 m/s. Results are rounded to 4 decimal places.
60 mph is 96.5606 km/h.
100 km/h is about 62.1371 mph.
Multiply by 1.609344.
About 0.2778 m/s.
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