Calculators & Utilities

Speed Converter

Convert speed among metres per second, kilometres per hour, miles per hour and knots.

Free to use No account needed Quick result

Tool workspace

Private by design

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About the Speed Converter

Speed Converter uses metres per second as the common base and standard definitions for the international mile and nautical mile. It converts signed scalar values, not direction.

How to use the Speed Converter

  1. Enter the speed.
  2. Choose its current unit and target unit.
  3. Convert and round appropriately.

Practical tips

  • A knot is one nautical mile per hour.
  • Use velocity rather than speed when direction is part of the measurement.
Helpful answers

Speed Converter FAQs