SailCalc

Ever wondered how your sailboat really performs? Stop guessing and start calculating. SailCalc is the first and only app that puts powerful, industry-standard sailboat performance ratios right in your pocket.

Perfect for boat shoppers, club racers, and any sailor who loves to geek out on data, SailCalc helps you understand a boat's true potential.

KNOW YOUR BOAT:

Calculate Key Ratios: Instantly find a boat's Hull Speed, Displacement-Length Ratio (DLR), Sail Area-Displacement Ratio (SA/D), Capsize Screening Formula, and more.

Save & Compare: Keep a running list of your favorite boats to easily compare their performance profiles head-to-head.

Simple & Fast: Our clean interface is built for quick data entry at the dock, at home, or at a boat show. No confusing menus, just the numbers you need.

Whether you're deciding on your next boat or want to win the next dockside debate, download SailCalc and become a smarter sailor today.