Sailing Performance

Hull Speed Calculator

Estimate the theoretical hull speed of a conventional displacement boat using its length at the waterline. It is useful for broad performance expectations and passage-speed discussions.

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Length of the hull measured along the waterline. It is normally shorter than Length Overall (LOA).

Length of the hull measured along the waterline. It is normally shorter than Length Overall (LOA).

Estimated hull speed

Theoretical hull speed
8.0 kt
Kilometres per hour
14.9 km/h
Waterline length
36.1 ft · 11.0 m

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