Knots to mph Converter
Convert knots to mph, km/h and m/s for aviation and sailing.
mph
23.016 mph
km/h
37.04 km/h
m/s
10.289 m/s
Updates instantly · formula shown below
How to use this knots to mph
- Enter a speed in knots.
- Get mph and km/h for aviation or sailing context.
- Weather forecasts, flight plans and marine charts all use knots.
Formula
mph = knots × 1.15078. km/h = knots × 1.852. 1 knot = 1 nautical mile/hour.
About the Knots to mph
A knot is one nautical mile per hour (1.852 km/h exactly). Aviation, maritime and meteorology all use knots because nautical miles map directly to degrees of latitude, simplifying navigation math. Cruise ships typically travel at 20–25 knots; commercial jets cruise at about 450–500 knots.
Frequently asked questions
+Why do planes use knots?
Nautical miles align with latitude coordinates, making navigation calculations simpler at sea and in the air.
+How fast is 30 knots in mph?
30 × 1.15078 ≈ 34.5 mph.
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