Free Online Speed Converter
Convert speed between meters/second, kilometers/hour, miles/hour, knots, and feet/second. Type a value and see the result instantly.
From
Kilometers/hour (km/h)
To
Miles/hour (mph)
Quick reference: 1 Kilometers/hour (km/h) equals
0.2777777778
Meters/second (m/s)0.6213711922
Miles/hour (mph)0.5399572699
Knot (kn)0.9113444153
Feet/second (ft/s)Common Use Cases
- Driving & travel: Convert speed limits and speedometer readings between km/h and mph.
- Sports performance: Convert running, cycling, or throwing speeds between units.
- Aviation & sailing: Convert wind and vessel speed to and from knots.
- Weather reports: Convert wind speed between m/s and mph or km/h.