Crack filling is priced by the linear foot, and the calculator above uses $1.75 per foot as the example rate. The math is the easy part. The two things that decide whether crack sealing is a profitable service line are what you fill with and how honestly you count the feet.
Hot pour or cold pour
Hot pour rubberized filler goes down from a melter kettle at working temperature, bonds to the crack walls, and stays flexible as the pavement moves. It is the standard for commercial work and for any climate with a real winter. Cold pour comes out of a jug, needs no equipment, and has its place on small residential jobs, but it sits in the crack more than it bonds to it. Your rate should reflect which one you are running: the kettle, the propane, and the material cost of hot pour are exactly why a professional crack fill costs more than a homeowner’s Saturday.
Fill first, sealcoat second
Sealcoat will not fix a crack. It is a thin surface coating, and an open crack shows right through it while water keeps feeding the base underneath. The working order is cracks first, coating second, which also makes crack filling a natural add-on line every time you bid a sealcoat job. Run the numbers side by side with the sealcoating cost calculator, and see how to price sealcoating and asphalt jobs for how the two services fit together on one quote.
Count the feet like you mean it
Cracks wander. A driveway that looks like it has a few cracks from the curb can easily hold ten times the footage once you follow each one with a measuring wheel. Walk it, wheel it, and quote the measured number. At the example rate, 300 measured feet is 300 x $1.75, or $525. Guess 150 feet from the truck and you just cut the same job to $262.50 while the material and hours stayed the same. Honest measuring is also your early warning system: when the footage gets extreme, or cracks have collapsed into alligatored mats, filling is no longer the right recommendation, and it is time for the sealcoating vs repaving conversation.
Every figure here is an example. PriceDesk runs this calculator with your own per-foot rate and your minimum job charge, free for 14 days, so the quote is done while you are still winding up the wheel.