How to convert miles per hour to knots
kn = mph × 0.868976
Multiply the value in miles per hour by 0.868976. To go the other way, divide by the same number, or multiply by 1.1508. For example, 5 mph × 0.868976 = 4.3449 kn.
About the units
Miles per Hour (mph). Exactly 0.44704 m/s. Speed limits in the US and UK.
Knots (kn). One nautical mile per hour. Ships, aircraft and wind at sea.
Other speed conversions
Kilometers per Hour to Knots · Miles per Hour to Kilometers per Hour · Miles per Hour to Meters per Second · Miles per Hour to Knots · Miles per Hour to Feet per Second · Meters per Second to Knots · Knots to Kilometers per Hour · Knots to Miles per Hour · Knots to Meters per Second · Knots to Feet per Second · Feet per Second to Knots