Windsurfing Sail Size Calculator

The online version of James Douglass‘ SailCalculator.xls originally posted in rec.windsurfing is here.

The online version of James DouglassSailCalculator.xls originally posted in rec.windsurfing. See also Fin Size Calculator on Boards magazine’s website.

Click add sail to list your sails and add sailor to see how your sizes compare to your buddy’s. Fill in the weights and click “Calc”.

Sailor Weight, lbs kg:
Sailor 1

Wind Speed,
kts mph kph m/s:
Sail Size, m2:

Board Volume (Sailor 1), l:
Beginner Board 70
First Shortboard 30
Smallest Uphaulable 30 – free wind information on your phone

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