Speed Converter

Convert speed between common units like km/h, mph, and m/s.

Calculate

Enter your values below.

Result

Converted value
0

Formula used

Each unit converts through meters per second as a common base.

Example: 100 km/h ≈ 62.14 mph.

How to use this calculator

  1. Enter Value.
  2. Choose From, To.
  3. Press Calculate to see your result instantly.

FAQ

Frequently asked questions

What is a knot?

A nautical unit of speed equal to one nautical mile per hour, commonly used in aviation and boating.

What is the base unit used internally?

Meters per second.

Can I convert mph to km/h?

Yes, any pair of supported units works.

Is this useful for vehicle speedometers?

Yes — many speedometers show km/h or mph depending on the country.