Speed Converter
Convert km/h, mph, meters per second, knots and feet per second.
How to use
- 1Enter a speed and its unit.
- 2Choose the unit to convert to.
How it's calculated
Converts through meters per second. 1 km/h = 1/3.6 m/s; 1 mph = 0.44704 m/s; 1 knot = 1,852 m per hour.
Frequently asked questions
How do I convert km/h to mph?
Divide by 1.609344. For example 100 km/h is about 62.14 mph.
What is a knot?
One nautical mile per hour, exactly 1.852 km/h or about 1.151 mph.
How do I turn m/s into km/h?
Multiply by 3.6. 10 m/s is 36 km/h.