If you re painting walls that are unfinished heavily patched. Two gallon cans of paint cover up to 800 square feet which is enough to cover an average size room.

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You also need to consider whether to paint more than one coat.

Paint coverage per gallon. Use the number of doors and windows section to calculate the doors and windows values. In general you can expect 1 gallon of paint to cover about 350 square feet. Easily calculate how much paint you ll need to complete your next job or project with sherwin williams paint calculator.

This is the most common amount needed especially when considering second coat coverage. Find out how much products you ll need to complete your diy project by using the behr paint stain and floor coatings calculator below. 17 gallons per coat large home.

You need slightly more than a gallon if the walls are unpainted drywall which absorbs more of the paint. 1 gallon 2 quart per coat. Before you or your contractor buy paint find out exactly how much you ll need.

Precise paint needs will vary according to many factors including application method. If more than one room is being painted with the same color add up the total square footage. Use the number of doors and windows section to calculate the doors and windows values.

35 gallons per coat depending on the condition of your surfaces you may want to prime first with an equivalent amount of primer. 6 gallon 6 quart per coat. 6 gallon 6 quart per coat.

Paint usually is applied at 350 to 400 square feet per gallon primer at 200 to 300 square feet per gallon. Use the area section below to calculate the walls and ceiling values. Select a product type.

Use the area section below to calculate the walls and ceiling values. One gallon can of paint will cover up to 400 square feet which is enough to cover a small room like a bathroom. These calculations are not intended to give more than a rough estimate.

Paint usually is applied at 350 to 400 square feet per gallon primer at 200 to 300 square feet per gallon.