hull speed calculator catamaran

11 aug. 2025 — The formula applies mainly to traditional displacement hulls. Catamarans Catamarans have long, narrow hulls with less wave-making resistance.

Hull speed calculator is a simple calculator that determines a vessel's hull speed based on the length of the vessel's waterline.

31 okt. 2020 — The simple way of doing a speed comparison is to use such formula's as Kelsall speed ratio, Bruce number, W performance factor by Bommer.

28 dec. 2007 — The hull speed formula for displacement monohulls is 1.34 x the square root of the waterline length. When planing, a monohull will exceed it's hull speed.

Calculate your boat's theoretical hull speed and determine displacement characteristics. Essential for marine design and performance analysis.

21 jan. 2008 — Catamaran designers use much higher coefficients to mathematically calculate “hull speed” on their designs. The underlying reason is that ...

Theoretical displacement hull speed is calculated by the formula: velocity in knots = 1.35 x the square root of the waterline length in feet.

4 apr. 2018 — There is a formula to calculate this theoretical hull speed: 1.34 times the square root of the length of the waterline of a hull. In case of our ...

The below given is the online Hull speed calculator which you can use it for the boat displacement speed calculation with ease.