Inputs
Output
Enter a value to see the conversion.
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About Speed Converter
The Speed Converter changes a speed between meters per second, kilometers per hour, miles per hour and knots. It is useful for driving abroad, reading sports and weather data, and aviation or sailing.
How to use it
- Enter the speed to convert.
- Choose the unit you are converting from.
- Choose the unit you are converting to.
- Read the converted speed.
Good to know
- One mile per hour is about 1.609 kilometers per hour.
- A knot is one nautical mile per hour, about 1.852 kilometers per hour. It is the standard unit at sea and in aviation.
- Meters per second is the scientific unit and is often used for wind speed.
Common questions
What is 100 km/h in mph?
About 62.1 miles per hour.
Why do ships and planes use knots?
Nautical miles are based on the Earth's latitude, which makes knots convenient for navigation with charts.