Concrete Sealer Calculator — Calculate Sealer Coverage & Amount Needed

Concrete Sealer Calculator

Calculate exactly how much concrete sealer you need for your project. Determine coverage based on surface area, sealer type, concrete porosity, and application method.

Step 1: Surface Specifications

Understanding Surface Area

Measure length × width for rectangular areas. For irregular shapes, break into smaller rectangles and add them together. Add 10% extra for waste and overlap.

Step 2: Sealer & Application Details

250 sq ft
Medium

About Concrete Sealers

Acrylic sealers are economical and UV resistant. Epoxy provides maximum durability. Penetrating sealers soak into concrete without changing appearance. Coverage rates vary by product and porosity.

Sealer Calculation Results

Summary
Sealer Comparison
Cost Breakdown

Total Sealer Required

2.4 gallons
For 300 sq ft with acrylic sealer at 250 sq ft/gal coverage
Surface Area
300 sq ft
Sealer Type
Acrylic
Coverage Rate
250 sq ft/gal
Number of Coats
2 coats

Sealer Type Comparison

Sealer Type Coverage (sq ft/gal) Durability Best For

Cost Breakdown

Sealer Calculation Formula

Gallons = (Surface Area ÷ Coverage Rate) × Number of Coats

Adjust for porosity: High porosity concrete may require 10-20% more sealer. Old concrete may need primer coat before sealing.

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