Wind Speed Converter

Convert wind speed between mph, km/h, m/s, and knots. See Beaufort scale rating and wind description.

Wind Speed (mph)

Wind Speed (km/h)

Wind Speed (m/s)

Wind Speed (knots)

Miles per Hour

15 mph

Kilometers per Hour

24.14 km/h

Meters per Second

6.71 m/s

Knots

13.03 knots

Beaufort Scale

Wind Description

Moderate Breeze

How to Use This Calculator

Enter your wind speed value in any one of the four input fields: mph, km/h, m/s, or knots.
Review equivalent wind speed values in all other units simultaneously.
Check the Beaufort Scale number and Wind Description (calm, light breeze, gale, hurricane, etc.).

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Formula

1 mph = 1.60934 km/h = 0.44704 m/s = 0.868976 knots

Calculate the wind chill temperature using the official NWS formula. Assess frostbite risk based on conditions.

Calculate the heat index (feels-like temperature) based on air temperature and humidity. Assess heat danger level.

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