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# Hull Speed Calculator

The below given is the online Hull speed calculator which you can use it for the boat displacement speed calculation with ease. Just enter the boat's waterline length to get the result.

## Boat Displacement Speed Calculation

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The below given is the online Hull speed calculator which you can use it for the boat displacement speed calculation with ease. Just enter the boat's waterline length to get the result.

Code to add this calci to your website

#### Formula:

H = 1.34 × √(L) M = H × 1.1508 N = H × 1.852 Where, H = Hull Speed in Knots M = Hull Speed in Miles/Hr N = Hull Speed in Kilometers/Hr L = Boat's Waterline Length

Hull Speed: It is otherwise called as displacement speed is the speed at which the wavelength of the bow wave (wave formed at the bow of the ship or boat, when it travels in water) is equal to the length of the boat. As the speed of boat increases from rest state, the bow wave's wavelength increases, and usually its crest-to-trough dimension (height) increases as well.

Boat Displacement Speed Calculation: Make use of this simple online hull speed calculator to calculate the boat displacement hull speed with ease. Also, you can refer the below-given example problem to understand the displacement hull speed calculation on your own.

### Example

#### Hull Speed

Calculate the hull speed, if the boat's waterline length is 12 feet.

h = 1.34 * √(12)
= 1.34 * 3.46
h = 4.64

Hence the hull speed is 4.64 knots.