Beaufort Scale Calculator

Enter wind speed in common units to see Beaufort force, m/s, km/h, mph, and knots.

Wind speed

Unit

——

—m/s

—km/h

—mph

—knots

How to use this Beaufort Scale Calculator

Convert wind speed to a Beaufort force number and descriptive category. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.