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Paint calculator from the Sikkens Paint Gude

Unit of measure is metric.

   
How do you calculate the number of square meters for each surface to be painted?
Use this table to calculate a rough
estimate. To find out how many litres you will require for each coat, divide the surface area by the spreading rate in m2 per litre.
Note the amounts indicated are averages.
A rough surface has a larger surface area and will therefore require more paint.
Some surfaces absorb more paint than others do. In cold conditions, or if insufficient thinner has been added, more paint will be required.
  

OAL – overall length
WLL – waterline length
W – width
D – draught
H - Height form waterline to deck

  
Underwater Hull    
Motor yachts with a shallow draught
 
Motor Boat hull shape    
WLL x (W + D) = SURFACE AREA IN M2
    
   
Sailing yachts with a moderate draught
    
sailing yacht with moderate draft    
0.75 x WLL x (W + D) = SURFACE AREA IN M2    
Sailing yachts with a deep draught
    
<img src="file:///C|/Documents and Settings/Edmond Work/boatpaint/datasheets/Sikkens/sailingyachtwithdeepdraught" />
    
0.5 x WLL x (W + D) = SURFACE AREA IN M2
    
TOPSIDES
    
(OAL x W) x 2 x height from waterline to
deck= SURFACE AREA IN M2
 OAL Overall Length  
DECK
    
(OAL x W x 0.75) = SURFACE AREA IN M2
NB: Subtract from this figure the surface area of the
superstructure
 OAL Overall Length