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Wind Speed Calculator

Wind Speed:
Select Unit:

Introduction of Wind:

Atmosphere air pressure creates wind. As we know air travels high-pressure places to low-pressure places, this movement creates wind. We can measure the wind speed by using equipment called "Anemometer". The wind speed measuring unit is meters per second (m/s) and it is the standard unit for velocity and recommended by WMO.

Here our wind speed converter quickly converts units like Knots (Kn),  Meters per second (m/s), Kilometers per hour (km/h), Mile per hour (mph),  Beaufort (Bft).

Wind Speed Comparison Chart

Beaufort Force Description Wind Speed
kts mph km/h m/s
0 Calm 0 0 0 0-0.2
1 Light Air 1-3 1-3 1-6 0.3-1.5
2 Light Breeze 4-6 4-7 7-11 1.6-3.3
3 Gentle Breeze 7-10 8-12 12-19 3.4-5.4
4 Moderate Breeze 11-16 13-18 20-29 5.5-7.9
5 Fresh Breeze 17-21 19-24 30-39 8.0-10.7
6 Strong Breeze 22-27 25-31 40-50 10.8-13.8
7 Near Gale 28-33 32-38 51-62 13.9-17.1
8 Gale 34-40 39-46 63-75 17.2-20.7
9 Strong Gale 41-47 47-54 76-87 20.8-24.4
10 Storm 48-55 55-63 88-102 24.5-28.4
11 Violent Storm 56-63 64-72 103-117 28.5-32.6
12 Hurricane >63 >72 >117 >32.7

Wind Speed Conversion Formulas:

Conversion formula for Miles per hour to Knots:

Wind (kn) = 0.8689762 x Wind (mph)

Wind (mph) = 1.1507794 x Wind (kn)

Conversion formula for miles per hour to meters per second:

Wind (m/s) = 0.44704 x Wind (mph)

Wind (mph) = 2.23694 x Wind (m/s)

Conversion formula for miles per hour to kilometers per hour:

Wind (km/h) = 1.609344 x Wind (mph)

Wind (mph) = 0.621371 x Wind (km/h)

Conversion formula for knots to meters per second:

Wind (m/s) = 0.5144444 x Wind (kn)

Wind (kn) = 1.9438445 x Wind (m/s)

Conversion formula for meters per second to kilometers per hour:

Wind (km/h) = 3.6 x Wind (m/s)

Wind (m/s) = 0.277778 x Wind (km/h)