Mast Height Calculator

Calculate optimal mast height for desired sail plan area and rig proportions

Input Parameters

Results

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Mast Height (deck)
ft
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Target Sail Area
ft²
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Mainsail Luff (P)
ft
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Mainsail Foot (E)
ft

Reference

Target SA = SA/Disp Ratio × Disp_Volume^(2/3) Aspect Ratio = P²/(0.5×P×E) Mast Height ≈ P × 1.12 (above deck)