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Painter Forum's Paint Quantity Calculator

Round all measurements up to the nearest 1/2 ft. and enter all measurements in decimals. for example 12 ft. and 3 inches should be entered as 12.5
Do not deduct for windows and doors, this will account for setup and cleanup paint waste


      INTERIOR SMOOTH WALL PAINTING :

      1. Measure the height of the wall from top of baseboard to ceiling, or to ceiling molding.

        Enter the number of feet



      2. Measure the distance around the room, this will be the total length of all four walls.

        Enter the number of feet


      Gallons for one coat of paint
      INTERIOR TEXTURED WALL PAINTING :

      1. Measure the height of the wall from top of baseboard to ceiling, or to ceiling molding.

        Enter the number of feet



      2. Measure the distance around the room, this will be the total length of all four walls.

        Enter the number of feet


      Gallons for one coat of paint
      SMOOTH CEILING PAINTING :

      1. Measure the length of the ceiling.


        Enter the number of feet


      2. Measure the width of the ceiling.


        Enter the number of feet


      Gallons for one coat of paint
      TEXTURE CEILING PAINTING :

      1. Measure the length of the ceiling.


        Enter the number of feet


      2. Measure the width of the ceiling.


        Enter the number of feet


      Gallons for one coat of paint
      EXTERIOR BUILDING WALLS :

      1. Measure the height of the building to the roof. NOTE Add 2 feet to total height if the building has peaks or gables.


        Enter the number of feet. Do not use commas


      2. Measure the distance around the building.

        Enter the number of feet. Do not use commas


      Gallons for one coat of paint
This Calculator uses average spread rates for standard paints that have been adjusted for smooth and textured surfaces. Your results may vary depending of the conditions of the surface to be painted. Specialty paints such as Elastomerics may require more paint than is calculated.
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