Speed Converter

Convert between different units of speed (e.g., km/h, mph).

Convert Speed

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Common Speed Units

Speed is the rate at which an object covers distance. This calculator helps you convert between common units of speed from different systems.

  • Meters per second (m/s): The SI unit for speed.
  • Kilometers per hour (km/h): Widely used in most of the world for road traffic.
  • Miles per hour (mph): Used in the United States, the United Kingdom, and a few other countries for road traffic.
  • Knot: A unit of speed equal to one nautical mile per hour, used by mariners, aviators, and meteorologists.