Nautical Mile Converter Calculator

Convert between nautical miles, statute miles, and kilometers. Essential for navigating between chart distances and GPS readings.

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How It Works

One nautical mile equals one minute of latitude (1/60 of a degree). This makes nautical miles natural for navigation — distances on charts correspond directly to latitude markings. 1 NM = 1.15078 statute miles = 1.852 km = 6,076.12 feet. Knots (nautical miles per hour) are the standard speed unit at sea. On NOAA charts, use the latitude scale on the sides to measure distances with dividers.