Speed Converter
Convert speed between metres per second, kilometres per hour, miles per hour, knots and feet per second.
Make this result useful
Use it now, or keep a copy for later. We never save your tool input automatically.
How to use this tool
Enter a nonnegative speed and select its source and target units.
Important to know
Convert speed between metres per second, kilometres per hour, miles per hour, knots and feet per second.
A knot is one nautical mile per hour. This tool converts speed units; pace is time per distance and is provided separately.
Formula and methodology
1 km/h = 1/3.6 m/s; 1 mph = 0.44704 m/s; 1 knot = 1,852/3,600 m/s; 1 ft/s = 0.3048 m/s.
Example
10 m/s equals 36 km/h.
Frequently asked questions
Is a knot a kilometre per hour?
No. One knot is one nautical mile per hour, or 1.852 km/h.