Speed Converter

Convert m/s, km/h, mph and knots.

Instant · runs in your browser
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About the Speed Converter

Convert speeds between metres per second, kilometres per hour, miles per hour and knots, for driving, cricket bowling speeds, wind forecasts and physics problems.

Handy facts

  • 1 m/s = 3.6 km/h
  • 100 km/h ≈ 62.1 mph
  • 1 knot = 1.852 km/h

How to use Speed Converter

  1. Type a value.
  2. Choose the units to convert from and to (use ⇄ to swap).
  3. The converted value, the exact conversion factor and a table of all units appear instantly.

Frequently asked questions

Is it free?

Yes. All tools are free to use without an account.