Sail Size
Wind Speed
Tap the star to mark favorites. In PRO you can build your own quiver. Tap here for notes.
Volume (L)
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Width (cm)
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Length (cm)
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Skill Level
Discipline
Recommended volume for
Volume (L)
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Typical width
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My board — suitability check
Guidelines; ideal size also depends on skill and conditions. Tap for details.
Sail Size m²
Fin Type
Fin Size
Standard (cm)
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Weight Adjusted
Underpowered (cm)
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Ideal Wind (cm)
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Overpowered (cm)
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Guideline. In PRO you can enter any sail area; New uses modern fin sizing. Tap for details.
Mast Type
Mast Brand A
Compare with B
Flex TopConstant CurveHard Top
Unifiber Mast Selector Matrix. Overlapping bands ⇒ mast B may replace mast A. Tap for details.
Kite Size
Wind Speed
Wind Speed = ideal; small numbers = min … max. In PRO, build your own quiver. Tap for notes.
Area (cm²)
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Width (cm)
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Length (cm)
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Modern twintip quiver for kg (length × width)
Twintip quiver by conditions: lighter wind — bigger & wider, stronger — more compact. Width matters more than length for early planing.
My board — check (twintip)
For twintip boards. Tap for details.
Wing Size
Wind Speed
Wind Speed = ideal (wing held/parked). Small numbers = workable range. Wing-foil is a modern discipline (after ~2016). Tap for notes.
Wingfoil board volume for
Volume (L)
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Typical width
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My board — check
Wingfoil boards are short and wide. Beginners need floatation to balance before foiling; advanced riders go near-sinker. Tap for details.
PRO
Mode
Skill Level
Affects sail/wing sizing and board volume (Adv mode).
Discipline (board)
Board volume in Adv mode: classic windsurf or foil.
General
Language
Theme
Calculator Mode
Wind Speed Unit
Weight Unit
Personal
Sailor Weight