Home & DIY

Driveway Sealer Calculator

Buckets of sealer for an asphalt driveway, with coats.

Enter your values

ⓘ Live results

Results
Sealer needed
15 gallons
Buckets to buy
3 x 5 gal
Driveway area
600 sq ft
Cost
$105.00
Coverage assumed
80 sq ft per gallon per coat

Working

  1. 1600 ft2 x 2 / 80 = 15 gal

Quick answer

Sealer coverage is about 70 to 100 sq ft per gallon per coat, less on rough or porous asphalt.

gallons = area x coats / coverage

How to use the Driveway Sealer Calculator

  1. 1Measure the driveway and include any parking apron.
  2. 2Choose the condition - rough asphalt drinks far more sealer.
  3. 3Two thin coats always outlast one thick coat.

Worked example

Using the values the calculator loads with:

Inputs

  • Driveway length50 ft
  • Width12 ft
  • Coats2
  • Surface conditionAverage
  • Bucket size5 gal
  • Price per bucket35 $

Results

  • Sealer needed15 gallons
  • Buckets to buy3 x 5 gal
  • Driveway area600 sq ft
  • Cost$105.00
  • Coverage assumed80 sq ft per gallon per coat
  1. 600 ft2 x 2 / 80 = 15 gal

Frequently asked questions

How often should I seal a driveway?

Every 2 to 4 years. Sealing annually builds up a thick film that cracks and peels.

What temperature do I need?

Above 50 F and rising, with no rain for 24 hours and ideally 48 hours before traffic.

About this calculator

Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.