438 miles per hour (mph) to knots (kn)

438 miles per hour = 380.611488 knots

To convert 438 miles per hour to knots, divide 438 miles per hour by the conversion factor 1.15078 (since 1 mile per hour equals 1/1.15078 knots).

The conversion formula is :
knots = miles per hour ÷ 1.15078

Here's the calculation to convert 438 mph to kn :
438 miles per hour ÷ 1.15078 = 380.611488 knots

Therefore, 438 miles per hour is equal to 380.611488 knots

The mile per hour is a unit of speed in the US customary and British imperial systems of measurement. It measures the number of miles traveled in one hour. The mile per hour is commonly used for speed limits on road signs in the United States and the United Kingdom, and to display vehicle speed on car speedometers. One mile per hour corresponds to traveling one mile in one hour. The mile per hour is abbreviated using the symbol mph (e.g. 438 mph).

The knot is a unit of speed equal to one nautical mile per hour. It is primarily used in maritime and aviation navigation to measure the speed of ships and aircraft. The knot is abbreviated using the symbol kn or kt (e.g. 380.611488 kn or 380.611488 kt).