3 calculators in this category
- Distance to Horizon & Visibility Range CalculatorBowditch, The American Practical NavigatorYour horizon at sea is closer than most people expect: from a cockpit nine feet above the water it is only 3.5 nautical miles…
- Anchor Rode & Scope CalculatorScope measured from bow roller to seabedScope is the ratio of rode deployed to the vertical distance from your bow roller down to the seabed — and that vertical…
- GPS Coordinate Conversion Calculator (DMS to Decimal)WGS 84 geodetic coordinatesChart plotters, aviation databases, survey reports and mapping websites all quote latitude and longitude differently, and…