Speed Converter

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

Convert a speed measurement between kilometers per hour, miles per hour, meters per second, and knots.

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Speed Converter tool

How to Use Speed Converter

  1. Enter an amount.
  2. Choose the unit you're converting from and to.
  3. Read the converted value.

Features

  • km/h, mph, m/s, and knots
  • All units shown side by side
  • Swap button for quick reversal
  • Instant, local conversion

Frequently Asked Questions

What is a knot?

A knot is one nautical mile per hour, commonly used in aviation and maritime navigation.