Use this Wind Speed Calculator to convert wind speed between mph, km/h, m/s, knots, and ft/s, with Beaufort scale levels and conditions.
Wind Speed Conversions
Miles per Hour
20.0 mph
Kilometers per Hour
32.2 km/h
Meters per Second
8.9 m/s
Knots
17.4 knots
Feet per Second
29.3 ft/s
5
Fresh Breeze
17-21 knots (19-24 mph)
Sea Conditions
Moderate waves taking a more pronounced long form; many white horses are formed; chance of some spray
Land Conditions
Small trees in leaf begin to sway; crested wavelets form on inland waters
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