Driveway Sealer Calculator — Calculate Sealer Coverage & Cost

Driveway Sealer Calculator

Calculate the exact amount of driveway sealer needed for your project. Determine coverage based on driveway size, sealer type, surface conditions, and number of coats.

Step 1: Driveway Specifications

Measuring Your Driveway

Measure the length and width of your driveway in feet. For irregular shapes, divide into rectangles and add the areas. Standard residential driveways are 10-20 feet wide and 20-50 feet long.

Step 2: Sealer & Application

2 coats
150 sq ft

About Sealer Coverage

Coverage varies by sealer type and surface porosity. Coal tar sealers typically cover 100-150 sq ft per gallon. Always check manufacturer’s recommendations and apply in optimal weather conditions (50-90°F).

Driveway Sealer Results

Summary
Sealer Comparison
Breakdown

Sealer Required for Your Driveway

5 gallons
For 300 sq ft driveway with 2 coats
Driveway Area
300 sq ft
Total Cost
$125
Sealer Type
Coal Tar
Coverage per Gallon
150 sq ft

Sealer Type Comparison

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

Application Process Breakdown

Sealer Calculation Formula

Gallons Needed = (Driveway Area × Number of Coats) ÷ Coverage per Gallon

Driveway area is calculated as length × width. Coverage varies by sealer type and surface porosity. Always add 10% extra for waste and overlap.

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