Floatation Calculator

Used to calculate the size & quantity of floats needed to build your dock.

  Length Width Total Area   Weight
Dock Size ft ft
Square Feet  
Dead Load
Number of People           Weight of People
Live Load
Number of Floats           Total Weight
Total Load
Float Width inches         Safety Factor 20%  
Float Length inches         Design Weight
lbs
Float Height
inches            
  Quantity Width Length Height
Floatation Required
 
Inches x
Inches x
Inches
With empty platform the floats will be submerged
inches
Freeboard
inches
With weight of people the floats will be submerged
inches
Freeboard
inches

*Freeboard is the distance the float is out of the water.
**For each additional inch in float height, the freeboard will increase one inch.
To increase the *freeboard, increase the float **height or width or length, or add additional floats.