Sail Area Calculator  

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Boating Calculators


Sail Area Calculator

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If you only know the height and foot of your sails, click here

Jib

Leech: ft    inches     Luff: ft    inches     Foot: ft    inches

Main

Luff: ft    inches     Leech: ft    inches     Foot: ft    inches

Mizzen or spinnaker

Luff: ft    inches     Leech: ft    inches     Foot: ft    inches

The following measurements are for formulating sail area to displacement ratios and also for
formulating LWL to displacement ratios. They are not required for sail area calculations

Displacement: lbs    LWL: ft

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  Note: To reuse! This calculator must be reset to work properly


Answers

Jib Area: sqft          Main Area: sqft         Mizzen Area: sqft

Total Sail Area: sqft

Sail Area to Displacement Ratio:  **         LWL to Displacement Ratio:  ***


-Note- 
 This only estimates area,  true size could
vary, and is determined by actual sail shape.

**
Sail Area to Displacement Ratio:
up to 18 - Offshore cruisers
18 to 22 - Coastal cruisers
22 to 26 - Inland sailing / racing
26 and up - Racing
***
LWL to Displacement Ratio:
Under 100 - Very light (racing)
100 to 250 - Light
250 to 325 - Medium
Over 325 - Heavy (cruising)

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