Driveway Sealer Gallon Estimator (Asphalt & Concrete)
Estimate sealer gallons for asphalt driveways and concrete slabs.
Interactive Material & Cost Estimator
HomeYardMath.com — Hardware Store Shopping List
Estimated Material Needed 600 sq ft (+10% buffer)
Net + Buffer Area 660 sq ft 600 base sq ft
Coverage Per Package 425 sq ft per unit (5-gal pails)
Total Units / Packages to Buy 2 5-gal pails
Waste Buffer Included +10% included
Estimated Project Material Cost 2 5-gal pails
Retail Package Total $97.96 Before local sales tax
With Delivery / Bulk $97.96 Direct store pickup
Quick Reference Coverage Chart (Concrete & Masonry)
Instant pre-calculated material estimates for common US residential project sizes before compaction buffer:
| Typical US Project | Area | Depth | Volume | Weight | Store Bags |
|---|---|---|---|---|---|
| Standard 2-Car Driveway (600 sq ft) | 600 sq ft | 2 Coats | 8 Gallons (Two 5-gal pails) | 80 lbs | 2 pails (5-gal) |
Engineering Formula & Material Density Constant
Gallons = (Driveway Sq Ft × 1.10 Waste) ÷ Coverage Rate per Gallon (sq ft)
Porous or weathered asphalt absorbs up to 1 gallon per 75-100 sq ft on the first coat, and 150-200 sq ft on the second coat.
Asphalt vs Concrete Driveway Sealers
Never use coal tar or petroleum-based sealers on concrete slabs; use breathable solvent-based or water-based acrylic sealers.
Frequently Asked Questions
How often should you seal an asphalt driveway?
Every 2 to 3 years to prevent UV oxidation and winter freeze-thaw cracking.
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