HOW MUCH PAINT WILL I NEED? :

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1. HOW TO CALCULATE YOUR WALL AREA:
For each wall to be painted, multiply the length of each wall by its floor-to-ceiling height. After calculating the square meterage of each wall, add them up to determine the total area needing to be painted.

Length [meters] X Height [meters] = Area [square meters]
WALL A X =  
WALL B X =  
WALL C X =  
WALL D X =  

Total length in meters square [m2] of wall  

=  

For convenience you may round off the distance to the nearest whole number if the wall does not measure evenly in meters, eg 3,4m to 3m

 

2. ADJUSTING FOR DOORS AND WINDOWS:
It is not usually necessary to deduct the square meters taken up by doors and windows in the average wall when estimating the amount of pint that you will need. However, the exception is walls with oversized openings or with several doors and windows. In such cases, multiply the length of the opening by its width, then subtract that number from the total square meters of the wall.

Length [meters] X Height [meters] = Area [square meters]
OPENING A X =  
OPENING B X =  
OPENING C X =  

Total length in meters square [m2] of opening  

=  
 

 Total length in meters square [m2] of wall 

=  

 Total length in meters square [m2] of opening 

less  

 Total adjusted square meters [m2]

=  
 

3. AREA COVERED BY A LITRE OF PAINT:
Divide the total m2 of wall to be coated by the coverage per litre as shown below and multiply by the no. of coats required eg: To calculate one coat primer on 140m2 of wall: 140m2 _ 7m2 x 1 coat = 20l For two coats primer: 140m2 _ 7m2 x 2 coat s= 40l2.

COATING

Coverage [m2] per litre

 Number of Coats Litres
Primer

7

 
Undercoat

8

 
Emulsion paint

7

 
Gloss paint

8