Paint Quality Institute

Going Green
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Avoid Waste

Following a few simple steps will help you calculate the amount of paint you will need to complete the job. Don’t forget to account for windows and doorways when measuring walls. And don’t forget to double the final amount if you plan to apply two coats.

How much paint do you need?
Start by measuring the interior room or exterior area you want to paint.

Enter the correct number in feet (round up to the nearest foot) in each of the boxes to the right.

wall width 1
* interior
ceiling length
wall width 2
* interior
ceiling width
wall width 3
  * Enter 0 if you are not painting the ceiling.
wall width 4
Enter your ceiling height or exterior wall height here. 
Then click the calculate button.


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