Knot to Meter per Second Converter
Enter a value to instantly convert between speed units.
1 Knot = 0.5144 Meter per Second
Key Formulas
Kilometer per Hour → Mile per Hour
mph = km/h × 0.621371Mile per Hour → Kilometer per Hour
km/h = mph × 1.60934Knot → Mile per Hour
mph = kn × 1.15078Mile per Hour → Knot
kn = mph × 0.868976Formula
m/s = kn × 0.5144444Knots measure maritime and aviation speeds globally. A knot is 1 nautical mile per hour. Converting to meters per second (SI units) is essential for engineers working with navigation systems, sailing applications, and aircraft performance calculations that mix international standards.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A sailor measuring 1 knot wind speed on their anemometer needs SI units for safety calculations.
1 kn = 0.5144 m/s
A ship traveling at 10 knots converts to 5.144 m/s for navigation system input.
10 kn = 5.144 m/s
An aircraft cruising at 25 knots during approach converts to 12.86 m/s for flight computer display.
25 kn = 12.86 m/s
High-speed maritime rescue vessel at 50 knots = 25.72 m/s for collision avoidance systems.
50 kn = 25.72 m/s