Quick Exterior Calculation

Enter the dimensions of your house/structure.

Exterior
Measure and total the height and distance around your house/structure.
ft.
ft.
How Many?
How Many?
Results
Total
Gallons
sq. ft.
Save
Estimated gallons needed per coat
Total Area
sq. ft.
gal
# of Windows
# of Doors
Still not sure how much paint you'll need? Visit your local store and Ask Sherwin-Williams.

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The results of this calculation are for one coat of paint. It assumes one gallon will cover approximately 350 square feet. The calculation is based on 3'x7' doors and 3'x5' windows. To ensure optimal coverage, we recommend measuring height from the highest point of your structure and rounding up to the nearest gallon.

The paint calculator is intended to provide the user with an approximate estimate. Paint requirements will vary according to factors such as application method and surface condition. To verify paint amounts, visit your neighborhood Sherwin-Williams store and speak with a representative.

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