Distance & Measurement Calculators
Distance and measurement calculators for nautical miles, geographic distance, horizon range, coordinate relationships, and related maritime measurements. Use these tools to convert or calculate measurements used in marine navigation and planning.
Nautical Mile Converter
Convert between nautical miles, statute miles, kilometers, and meters. Essential for chart work and passage planning.
Use calculator →Knots Speed Converter
Convert speed between knots, miles per hour, kilometers per hour, and meters per second. Standard for marine and aviation speed.
Use calculator →Knots to km/h Converter
Convert speed in knots to kilometers per hour. One knot equals 1.852 km/h.
Use calculator →Fathom Converter
Convert between fathoms, feet, and meters. Fathoms are commonly used for water depth and anchor chain.
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