Conversions
Speed Converter
km/h, mph, m/s and knots — quick conversion.
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Conversion to all units
meters per second (m/s)0.277778
kilometers per hour (km/h)1
miles per hour (mph)0.621371
knots0.539957
feet per second (ft/s)0.911344
How it works
Convert speeds between km/h, mph, m/s, knots and feet per second.
Supported units: km/h, mph, m/s, nós, ft/s. Type any value and see the conversion to every unit in real time.
Practical examples
100 km/h in mph
100 km/h ≈ 62.137 mph
60 mph in km/h
60 mph ≈ 96.561 km/h
Frequently asked questions
Are the conversions exact?
We use official SI conversion factors. Results are rounded to up to 6 decimal places.
Does it work offline?
Yes — everything runs in your browser, no data is sent to servers.