Speed Converter
Convert speed between kilometres per hour, miles per hour, metres per second, knots, feet per second and Mach. Free instant converter.
Value
Equivalents
- Metres per second
- 27.7778
- Kilometres per hour
- 100
- Miles per hour
- 62.1371
- Feet per second
- 91.1344
- Knots
- 53.9957
- Mach (at sea level)
- 0.08163
What this tool is for
Kilometres per hour to miles per hour for driving abroad, metres per second for physics, knots for sailing and aviation, all from one input.
How to use it
- Enter a speed in any unit.
- Read the equivalents.
- Copy the value you need.
Frequently asked questions
What is a knot?
One nautical mile per hour, about 1.852 km/h. It survives in aviation and shipping because it maps directly onto degrees of latitude on a chart.