Knots to MPH Converter
Convert knots to miles per hour
Frequently Asked Questions
How do I convert knots to mph?
Multiply knots by 1.15078. 1 knot = 1.151 mph. 30 knots = 34.5 mph. A knot is one nautical mile per hour (1.852 km/h). The converter handles knots to mph, km/h, and m/s simultaneously.
What speed is 20 knots in km/h?
20 knots = 37.04 km/h. Multiply knots by 1.852 to get km/h. Common conversions: 10 knots = 18.5 km/h, 30 knots = 55.6 km/h, 50 knots = 92.6 km/h. This speed unit is standard in maritime and aviation.
Why do ships and aircraft use knots instead of mph?
Knots are based on nautical miles, which correspond to one minute of latitude. This makes navigation calculations simpler on charts. One degree of latitude = 60 nautical miles, so distance and speed relate directly to map coordinates.
What wind speed in knots is considered dangerous?
Beaufort scale references: 22-27 knots = strong breeze, 28-33 knots = near gale, 34-40 knots = gale, 48-55 knots = storm, 64+ knots = hurricane force. Small craft advisories typically start at 20-25 knots.
How do I convert knots to meters per second?
Multiply knots by 0.51444. 1 knot = 0.5144 m/s. 20 knots = 10.29 m/s. This conversion is useful for scientific applications where SI units are required. The converter provides instant results in all speed units.