Boat Calculator

Boat Calc is a collection of more than 50 nautical calculators, converters and formulas useful to any boater.

Boat Calculator includes conversions for nautical chart scales, navigation and GPS units, wind speed, wind chill, temperature, barometer, distance, depth, boat speed, electrical, performance and much more. If you have a 2-stroke engine on board, you'll find a very handy gas/oil fuel mix calculator.

Whether you like fishing, sailing or cruising in your powerboat you'll find something useful here.

We do not collect any personal information and require minimal permissions (internet access only). Internet access is required only so the Contact Form and links will work... The app will run fine without internet access.

Suggestions, comments, critiques and bug reports are always welcome... send me an email and I'll respond.

Keywords: wind chill, volume calculator, straight sailing distance, Pythagoras Theorem, square root, cube root, velocity, surface area, GPS lat lon, latitude, longitude, Beaufort Wind Scale, diesel engine fuel burn, area, voltage drop, ohm's law, watt's law, sailboat performance, fraction, hull speed, Capsize Ratio, displacement LWL