Calculate true, magnetic, and compass courses. Solve current triangles, compute leeway, SOG/COG, distance, and ETA - essential for passage planning.
East = positive (+), West = negative (-)
Register for ClearShip to manage boat maintenance, tasks, checklists, inventory, and collaborate with your crew - plus access all sailing tools.
Nautical and metric conversions
Wind speed and Beaufort scale
NATO alphabet and text converter
Interactive nautical charts
European weather and wind maps
Sailing optimization guide
Distress call generator
IMO FAL Form 5 crew list generator