Speed Converter
Convert speeds between km/h, mph, m/s, knots and other units.
Speed Converter
Road speed, wind, aircraft and ships all use different units. Enter a speed and see it in kilometres per hour, miles per hour, metres per second, knots and more.
How to use Speed Converter
- Enter your speed in Enter Value.
- Select the unit you are converting From.
- Read the results in the other units.
When it comes in handy
- Converting speed limits when driving abroad.
- Reading weather reports and marine forecasts that use knots.
- Physics and engineering homework.
Frequently asked questions
How fast is 100 km/h in mph?
About 62 mph.
What is a knot?
One nautical mile per hour, which is about 1.852 km/h. It is used in aviation and at sea.
