Fin to Sail Size Calculator


The fin limits the sail size.

The FSC calculates the maximum sail size depending on the altitude, the air temperature & humidity of a windsurf spot, For the current location, the app can query those data itself (preview).
NEW. This orientation aid can be optionally extended with the corresponding wind speed (on a trial basis). If you want to display it, it is enough to enter the windsurfers' weight.  

DisclaimerWindsurfing can be a dangerous sport. I am not responsible for any damage or injury resulting from the use of this website and/or the Fin to Sail Size Calculator (abbreviated FSC).

By using the FSC you agree to the disclaimer.


FSC download:

Open as app!