Driveway Sealing Calculator

Calculate sealcoat material needed and cost for your driveway.

DIY Cost

$150.00

Pro Cost

$160.00 - $320.00

Materials & Cost

Area800 sq ft
Coats Needed1
Sealant Needed10 gallons
DIY Estimate$150.00
Professional Low$160.00
Professional High$320.00

Use the Driveway Sealing Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Our 2026 Driveway Sealing Calculator helps you accurately estimate the amount of sealcoat material required and the associated cost for your driveway project. This is crucial for avoiding overspending on excess material or, worse, running out mid-job, leading to costly delays and potential quality issues. With current asphalt sealant prices averaging $35-$50 per 5-gallon bucket and professional application rates around $0.35-$0.75 per square foot, precise planning is essential for budget control.

The calculator determines material needs by first computing your driveway's total surface area in square feet. It then applies an average coverage rate for asphalt sealants, which is typically 250-400 square feet per 5-gallon bucket for two coats, with the first coat requiring slightly more material. Finally, it multiplies the total material required by the average 2026 cost per 5-gallon bucket to provide an estimated total material cost.

Always measure your driveway accurately; even small errors can significantly impact material estimates. Remember that heavily cracked or unsealed driveways may require more material for the first coat due to increased absorption. Also, factor in additional costs like cleaning supplies, crack filler, and application tools, which are not included in the sealcoat material cost.

Example: Standard Suburban Driveway Sealing

  1. 1 A rectangular driveway is 40 feet long and 12 feet wide. It has been sealed before, so two coats are planned.
  2. 2 Area = 40 ft * 12 ft = 480 sq ft. Assuming a coverage rate of 300 sq ft per 5-gallon bucket (accounting for two coats) and a cost of $40 per bucket: Material needed = 480 sq ft / 300 sq ft/bucket = 1.6 buckets. Since you can't buy fractional buckets, you'll need 2 buckets. Total Material Cost = 2 buckets * $40/bucket = $80.
  3. 3 You will need 2 five-gallon buckets of sealcoat material, costing approximately $80 for the material alone.
  4. 4 This estimate provides a solid starting point for your budget. Remember to also consider the cost of crack fillers, cleaning solutions, and any rented application equipment, which could add another $50-$150 to your total project cost.

Source: HomeAdvisor · Last updated: April 2026

Frequently Asked Questions

How much does it cost to seal a driveway?
DIY sealcoating costs $0.15-$0.25 per square foot for materials. Professional application runs $0.20-$0.50 per square foot. A typical 600 square foot driveway costs $90-$150 DIY or $120-$300 professionally.
How often should you seal an asphalt driveway?
Seal every 2-3 years for optimal protection. New driveways should wait 6-12 months before the first seal to allow the asphalt to cure. Over-sealing (annually) can cause the coating to peel and crack.
How much sealant do I need for my driveway?
One 5-gallon bucket of driveway sealant covers about 300-400 square feet with one coat. Two coats are recommended, so plan for one bucket per 150-200 square feet of driveway. Measure your driveway length times width to calculate square footage.