Driveway sealer calculator
PROGallons of asphalt sealer for your driveway.
Short answer: gal = (L × W × coats) ÷ coverage. 40 × 12 ft × 2 coats ÷ 80 = 12 gal = 3 pails. Enter your measurements above and the driveway sealer calculator returns the quantity, unit conversions and an estimated cost instantly, in imperial or metric — no sign-up needed.
What do you need to measure?
What is the answer?
Gallons
12.0
5 gal pails
3
How does the driveway sealer calculator work?
gal = (L × W × coats) ÷ coverage.
What does a worked example look like?
40 × 12 ft × 2 coats ÷ 80 = 12 gal = 3 pails.
What do people ask most?
›How often to seal?
Every 2–3 years for asphalt in temperate climates.
Which outdoor construction calculator should you use next?
Where can you learn more?
Read field notes on estimating and materials, or browse every calculator we make.
What should you read before you order materials?
Field notes from real jobs that explain the numbers behind this calculator.
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