Wind Speed Tools
Quick Knots to mph Conversions
5 knots = 5.75 mph
10 knots = 11.51 mph
15 knots = 17.26 mph
20 knots = 23.02 mph
30 knots = 34.52 mph
40 knots = 46.03 mph
50 knots = 57.54 mph
60 knots = 69.05 mph
Common Wind Speed Examples
10 knots – Light marine breeze
20 knots – Moderate sea conditions
30 knots – Rough waters
50+ knots – Severe storm / gale
About Knots
A knot is a unit of speed commonly used in marine and aviation contexts. One knot is equal to one nautical mile per hour.
To convert knots to miles per hour, multiply by 1.151. This tool helps translate marine and aviation wind speeds into more commonly understood land-based units.