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Deck 1remove deck
Round measurements to the nearest inch.
clear data
Deck*information icon
ft.
in.
ft.
in.
Deck Railinginformation icon
ft.
in.
ft.
in.
Stepsinformation icon
ft.
in.
Step Railinginformation icon
add steps
Total Deck
Gallons
sq. ft.
Total Railings
Gallons
sq. ft.
Total Steps
Gallons
sq. ft.
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Estimated gallons needed per coat
Deck 1
sq. ft.
gal
Railings
sq. ft.
gal
Steps
sq. ft.
gal
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 or stain. It assumes one gallon will cover approximately 250 square feet. The calculation is based on 42" high railings and steps that are 11" from front to back (if applicable). To ensure optimal coverage, we recommend 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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