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Speed converter

Convert km/h, mph, metres per second and knots.

Enter a number without grouping separators (decimal: .).

How to use

  1. Convert km/h, mph, metres per second and knots.
  2. Enter your values and choose the options. Use the example below to check the result.
  3. Review the result; copy or download when available. Reset clears this tool.

Before you start

Non-negative speeds. One knot equals one nautical mile per hour.

36 km/h = 10 m/s.