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

521 miles per hour = 452.736496 knots

To convert 521 miles per hour to knots, divide 521 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 521 mph to kn :
521 miles per hour ÷ 1.15078 = 452.736496 knots

Therefore, 521 miles per hour is equal to 452.736496 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. 521 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. 452.736496 kn or 452.736496 kt).