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Knots to mph Converter
Convert a speed in knots (nautical miles per hour) into miles per hour, kilometers per hour, and meters per second.
knots
What is a Knot?
A knot is a unit of speed equal to one nautical mile per hour, used in aviation, maritime navigation, and meteorology. It is based on the nautical mile (1,852 meters), not the standard statute mile used for road speeds.
How the Conversion Works
Since 1 nautical mile equals 1.150779 statute miles, this calculator multiplies your speed in knots by that constant to get miles per hour, and by 1.852 to get kilometers per hour.
- mph = knots × 1.150779
- km/h = knots × 1.852
This tool is intended for general planning and educational purposes; pilots and mariners should rely on certified instruments for navigation.
Last reviewed August 2026