Wind Speed Converter

Convert between mph, knots, km/h and m/s instantly, with the matching Beaufort scale force. Free, no sign-up.

This converts raw wind speed only. DroneChecker's app rates your exact drone against both sustained wind and gusts, plus rain, visibility and geomagnetic activity — see wind limits by drone model or check today's conditions for your location.

Beaufort wind scale

The Beaufort scale is the standard reference for describing wind by its observed effect, from calm smoke to hurricane-force damage.

Force	Description	mph	km/h	knots

Check today's conditions →