Driveway sealer calculator

Estimate how many gallons of driveway sealcoat you need from area, coats, and coverage (ft² per gallon).

Length (ft) Width (ft)

Coverage (ft² per gallon, per coat) Number of coats Cost per gallon ($)

Driveway sealer calculator tips

Use the coverage rate on your product label (often roughly 50–100 ft²/gal depending on surface and brand). Two thin coats beat one thick coat. Sealcoat does not fix alligator cracking or a failed base — see our alligator cracking guide.