Gallons per Square Foot Calculator: Estimate Paint, Stain & Sealant Coverage

Calculate Gallons per Square Foot Needed

Enter the total surface area you need to cover.
Find this value on your paint, stain, or sealant product label.

Calculation Results

You will need approximately gallons of material.

Use our free Gallons per Square Foot Calculator to accurately determine how much paint, stain, or sealant you need for your project. Avoid overspending or running short. Perfect for flooring, walls, and exterior surfaces, ensuring precise material estimates every time.

Formula:

The formula to calculate Gallons per Square Foot is straightforward:

Gallons Needed (G) = Total Area (A) / Coverage Rate (C)

  • G: Gallons of material required
  • A: Total area to be covered (in Square Feet)
  • C: Material's coverage rate per gallon (in Square Feet per Gallon)

Always refer to your product label for the most accurate coverage rate per gallon.

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