Bid the coats and the cracks, not the driveway special.

Hand the customer a proposal

The price above is for you. This is the page you print or save as a PDF and give to the customer — your details, their details, the scope, the deposit split, and a line for them to sign. Your business details are saved on this device so you only type them once; the customer’s details are never saved.

Everything on the printed page is text you typed or a number this calculator worked out. It contains no warranty, lien, or cancellation wording — those depend on your jurisdiction and your contract, and this tool is not the place to invent them.

Common questions

What does this sealcoating estimate include?

The price adds up sealer gallons for each surface by coats and coverage, oil-spot priming, crack fill by the foot, striping by the stall, an optional sand additive, a chosen add-on kit, setup and travel time, a trip fee, overhead, and your target margin — all from the surfaces, condition, and rates you enter, not a flat price list.

Why does pavement condition change the price so much?

Oxidized and failing pavement drinks the first coat — the calculator applies a coverage multiplier to the first-coat gallons for “good,” “oxidized,” and “failing” condition, so the same square footage on a badly oxidized lot uses more sealer and costs more than a recently sealed one. The second coat is not adjusted, since the first coat already did the drinking.

How many square feet does a gallon of sealcoat cover?

It depends on the surface preset the calculator uses to figure gallons: 90 sq ft/gal on the first coat and 120 sq ft/gal on the second for a residential driveway, 80/110 for a commercial parking lot, 85/115 for a basketball or play court, and 95/125 for a walkway or apron — a parking lot drinks more sealer per gallon than a driveway before condition even enters it. Condition then multiplies the first-coat number: on the default 800 sq ft, two-coat driveway at $4.25/gallon, “good” pavement uses 14.07 gallons ($59.81 in sealer) for a $362.27 job, “oxidized” uses 15.56 gallons ($66.11) for $371.93, and “badly oxidized/failing” uses 18.52 gallons ($78.70) for $391.23 — nearly 4.5 more gallons and about $29 more job price from condition alone, on the identical 800 square feet.

Does it matter whether I squeegee or spray the job?

Yes. Squeegee and spray application are each their own square-feet-per-crew-hour rate, so switching methods changes the apply hours for every surface without touching gallons, oil spots, crack fill, or striping, which price the same either way.

Is my data uploaded anywhere?

No account and no network requests — the calculator runs entirely in your browser. Usage counts are anonymous tallies of which features were used, stored locally, and a share link encodes only the quote fields in the page’s URL hash rather than sending anything to a server.

What’s the difference between the job price and the walk-away price?

The job price already includes your target margin on top of labor, materials, the trip fee, and overhead. The walk-away price is the total cost underneath it — sealer, primer, crack filler, sand, striping paint, labor, and the trip — the point below which the job stops being profitable at all.

Does this check whether a lot is ready to coat?

No. This is not a pavement-condition assessment, a specification, or a finding that any lot is sound enough to seal. Oil spots, cracks, and stalls are quantities you count and enter yourself; whether the pavement underneath is fit to coat is a judgment call on site, not something this arithmetic can see.