Driveway Sealer Calculator
How much sealer do you need to sealcoat your driveway? This free driveway sealer calculator answers it two ways from one physical basis. Homeowner mode sizes ready-to-use pails; Contractor mode sizes concentrate plus the water, silica sand, and polymer additive of a full mix design — both landing on the same manufacturer-TDS and FAA-anchored applied rate of about 0.11–0.13 gallons per square yard per coat. It also totals crack filler, oil-spot primer, and even checks whether coal-tar sealer is legal in your state.
It is brand-neutral by design. Instead of trusting an optimistic "400–500 sq ft per pail" label, Homeowner mode uses a conservative, independently tested coverage band (about 275 sq ft per pail on smooth asphalt, less on rough), models the first coat rich and each later coat about one-third leaner, and adds a spare pail for touch-ups. Contractor mode reproduces the standardized mix design — roughly 30–40% water, 2–5 lb of 40–70 mesh silica sand per gallon, and 1–3% latex/polymer additive — sized from the same gallons-per-square-yard rate.
It also does what the area-÷-coverage toys don't: it makes coal-tar regulatory status a first-class output (coal-tar sealer is banned statewide in six states plus D.C.), separates "sealable" from "repave" so alligator cracking gets sent to the Asphalt Driveway Calculator instead of sealed over, and flags new asphalt that needs 6–12 months to cure. Quantities only — no pricing, no labor, no signup.
Driveway Sealer Calculator
Estimate how much asphalt sealcoat your driveway needs two ways from one physical basis: Homeowner mode sizes ready-to-use pails at a conservative, independently tested coverage; Contractor mode sizes concentrate plus the water, silica sand, and polymer additive of a full mix design. Add crack filler and oil-spot primer, check whether coal-tar sealer is legal in your state, and get steered to repave when the pavement is past sealing. Anchored to manufacturer TDS and FAA airport specs (~0.11–0.13 gal/sy per coat). Quantities only — free, no signup.
Coats & surface
The first coat soaks into porous asphalt; each later coat uses about one-third less material and just seals the remaining pores. That first-rich / later-lean split is built into the math.
Why does thickness matter more than the pail label? See the film cross-section
Crack filling (optional)
Cracks deeper than 1/2" get backfilled with dry sand or foam backer rod first, then filler on top. Fill and cure all cracks before you sealcoat.
Oil spots & advisories (optional)
How driveway sealcoating actually works
Sealcoat is a thin, sacrificial film that protects the asphalt binder — so the numbers that matter are film thickness, crack triage, and the application rate. These diagrams cover why a professional two-coat job outlasts a thin single coat at the label rate, how to tell whether a crack gets filled, patched, or repaved, and how the manufacturer gal/sy rate turns into pails at the store. Use the “see the diagram” links beside the inputs above to jump to the figure you need.
The cross-section is why the calculator’s Homeowner mode uses a conservative, tested coverage rather than the pail label. Sealcoat doesn’t add strength — it’s a wear layer that gives itself up to UV, water, and oil so the pavement underneath doesn’t. A professional two-coat job with silica sand lays a full film that reseals every two to three years; a single thin coat spread to a “400–500 sq ft per pail” claim is roughly half as thick, so it wears through far sooner even though the per-gallon number looks similar.
The crack decision tree is why the tool asks for crack width and flags alligatoring. Sealcoat only protects structurally sound pavement. Cracks up to a half-inch take pourable filler; a half-inch to an inch needs a heavy fill (with sand or backer rod when deep); over an inch needs patch material; and alligator, scaly cracking is base failure that must be repaved — sealing it only traps moisture and buys weeks. New asphalt has to cure six to twelve months before any of this.
The rate diagram is why a gal/sy number becomes a pail count. Manufacturer data sheets and FAA airport specs agree on about 0.12 gallons per square yard per coat; since a square yard is nine square feet, that’s 75 square feet per gallon. Apply it to a 600-square-foot two-car driveway at two coats — with the first coat rich and the second about a third leaner — and it works out to roughly four pails plus a spare, which is exactly what the calculator returns.
Calculation Formulas
Every professional sealer rate is quoted per square yard, so the engine first converts the driveway to square yards. One square yard equals 9 square feet — this single conversion reconciles the contractor gal/sy world with the consumer sq-ft-per-pail world.
Example:
A 20 ft × 30 ft driveway = 600 sq ft = 600 ÷ 9 = 66.7 sq yd.
The one rate that manufacturer TDS and FAA airport specs agree on: mixed, ready-to-apply sealer goes down at ~0.11–0.13 gal/sy per coat (default 0.12). Multiply by the coat factor and the waste allowance for the finished, ready-to-apply volume.
Example:
66.7 sq yd × 0.12 × 1.67 (2 coats) × 1.10 = 14.7 gal mixed sealer.
The first coat is absorbed by porous, oxidized asphalt; each later coat only seals the remaining pores and uses about one-third LESS material. So two coats is not 2.0× the first coat — it is 1.0 + 0.67 = 1.67×, and three coats is 2.34×. Modeling this avoids the common mistake of over-buying for the second coat.
Example:
1 coat = 1.0×; 2 coats = 1.67×; 3 coats = 2.34× the single-coat material.
Undiluted concentrate covers 100–120 sq ft/gal per coat before water and sand extend it into the mixed volume. The engine sizes concentrate directly from area, then rounds up to whole gallons because concentrate is sold and measured by the gallon.
Example:
600 sq ft ÷ 110 × 1.67 × 1.10 = 10.0 → 10 gal concentrate.
Per 100 gal of concentrate a standard mix adds ~30–40 gal water (coal tar) or 30–45 gal (asphalt emulsion), 200–500 lb silica sand (2–5 lb/gal, 40–70 mesh AFS), and 1–3% polymer/latex additive. Sand is required in all cases — it gives traction and builds the wearing surface. Sand rounds up to the nearest 5 lb.
Example:
10 gal concentrate at 35% water, 3 lb/gal sand, 1.5% additive = 3.5 gal water, 30 lb sand, 0.15 gal additive.
Ready-to-use pails are sized at a conservative, INDEPENDENTLY TESTED coverage (≈275 sq ft/pail smooth, first coat), not the optimistic 400–500 sq ft label claim. Later coats cover 1.5× as far (one-third less material). The engine rounds the pail total up and adds one spare for touch-ups.
Example:
600 sq ft smooth, 2 coats: 600 ÷ 275 + 600 ÷ 412 = 2.2 + 1.5 = 3.6 → 4 pails + 1 spare = 5.
Rough, oxidized asphalt drinks up far more sealer than smooth, previously sealed pavement. The engine scales pail coverage by a condition multiplier — smooth ×1.0, moderate ×0.75, rough ×0.55 — an estimating convention blended from TDS 'varies with porosity' language and independent testing (no manufacturer publishes exact multipliers).
Example:
275 sq ft/pail smooth → 206 moderate (×0.75) → 151 rough (×0.55).
Cold-pour pourable filler covers ~75–150 lf/gal depending on width (150 hairline, 100 at 1/4–1/2", 60 at 1/2–1"); hot-pour melts run ~200 lf per box. Cracks deeper than 1/2" get sand or backer rod first; wider than ~1" they need patch material, not filler; alligatored areas need repaving.
Example:
180 lf of 1/4–1/2" cracks, cold pour: 180 ÷ 100 × 1.1 = 2.0 → 2 one-gallon jugs.
Sealer won't bond over oil or grease — it fisheyes and peels. A ready-to-use oil-spot primer covers ~150–200 sq ft/gal (175 midpoint) as a one-coat spot treatment applied over degreased stains and allowed to dry before sealing.
Example:
350 sq ft of stained pavement ÷ 175 = 2 gal of oil-spot primer.
Standard Constants
| Constant | Value | Description |
|---|---|---|
| Mixed-Sealer Application Rate | 0.11–0.13 gal/sy per coat (70–82 sq ft/gal) | The single rate every contractor TDS and FAA airport spec agrees on for mixed, ready-to-apply sealer. Default 0.12 gal/sy = 75 sq ft/gal. This is the physical anchor the whole engine is built on. |
| Concentrate Coverage | 100–120 sq ft/gal per coat | Undiluted coal-tar or asphalt-emulsion concentrate before water and sand extend it. Neyra Tarconite lists 100 sq ft/gal; SealMaster concentrates 100–120. The calculator uses 110 as the midpoint. |
| Homeowner Pail Coverage | ≈275 sq ft/pail smooth (150–200 rough) | Conservative, independently tested coverage (The Honest Reviewers found 250–300 smooth, 150–200 rough) — NOT the 400–500 sq ft/pail label claim, which implies a film too thin to match a pro two-coat system. One 4.75-gal pail. |
| Second-Coat Material Reduction | ~1/3 less than the first coat | The porous first coat is absorbed; the second only seals remaining pores. Later coats cover ~1.5× as far, so two coats cost 1.67× (not 2×) the single-coat material. Two coats are the professional standard; a third goes on high-traffic zones. |
| Coal-Tar PAH Content | 35,000–200,000 mg/kg PAHs | Per USGS, coal-tar sealcoat contains about 100× the PAHs of used motor oil and 1,000× the level in asphalt-based sealer. Coal-tar pitch is an IARC Group 1 human carcinogen. This drives the coal-tar ban lookup. |
| Coal-Tar Statewide Bans | WA, MN, MD, NY, ME, VA + Washington, D.C. | Coal-tar sealer is banned statewide in six states plus D.C. (plus many counties/metros). Effective years: D.C. 2009, WA 2011, MN 2014, NY 2023, MD 2023, ME 2024, VA 2025. Asphalt-emulsion sealer is legal in all 50 states. |
| Silica Sand Loading | 2–5 lb/gal concentrate (200–500 lb / 100 gal) | 40–70 mesh AFS silica sand, required 'in all cases' per TDS — it provides skid resistance, fills fine voids, and builds the wearing surface. Rough pavement takes more (up to 4–4.5 lb/gal undiluted). |
| New-Asphalt Cure Wait | 6–12 months | The accepted homeowner window before sealing new pavement, so surface oils oxidize out (TDS minimums are shorter: SealMaster ~4 weeks, Neyra/GemSeal ~30 days for coal tar). Sealing too early traps oils and causes tracking and a soft film. |
| Application Weather Window | ≥ 50°F & rising, held 24 hr; no rain 24–48 hr | Industry consensus across SealMaster and other TDS. Apply in the morning so daytime sun cures the film. Reseal every 2–3 years; do not overseal, which causes buildup and cosmetic hairline alligatoring in the sealer. |
| Crack-Filler Coverage | Cold ~75–150 lf/gal · Hot ~200 lf/box | Cold-pour pourable filler varies with crack width (150 lf/gal hairline down to 60 at 1/2–1"); hot-pour melts ~200 lf per box, filled to ≤ 1/2" depth. Deeper cracks get sand/backer rod first. |
Note: All calculations include appropriate waste factors based on project complexity and material type. Results are estimates and should be verified by professionals before purchasing materials.
ASTM D8099 — Asphalt Emulsion Pavement Sealer(ASTM D8099/D8099M-17(2023))
View StandardThe standard specification for asphalt-emulsion pavement sealer (mineral colloid or chemically stabilized type) — the modern, low-PAH counterpart to coal-tar sealer. Asphalt-emulsion products meeting D8099 are legal in all 50 states, making this the compliant default the calculator steers toward where coal tar is banned.
Key Requirements:
- •Mineral-colloid or chemically-stabilized asphalt emulsion binder
- •PAH content under ~0.1% — orders of magnitude below coal tar
- •Field-mixed with water and silica sand per the product TDS
- •Legal in all 50 states (no PAH-based sale/use ban)
- •Typical reseal interval 2–4 years
ASTM D5727 — Emulsified Refined Coal Tar(ASTM D5727/D5727M-00(2023))
View StandardThe standard specification for emulsified refined coal tar (mineral colloid type), the base spec for coal-tar sealcoat, replacing the historic Federal Specification RP-355. Coal-tar sealer is fuel/oil resistant and deep black, but its high PAH content drives statewide bans — capture the regulatory status, not just the chemistry.
Key Requirements:
- •Refined coal-tar pitch emulsion (typically 20–35% coal tar)
- •Contains 35,000–200,000 mg/kg PAHs (USGS) — ~1,000× asphalt sealer
- •Banned statewide in WA, MN, MD, NY, ME, VA and Washington, D.C.
- •Some statutes phrased as a >0.1% or >1.0% PAH-by-weight threshold
- •Coal-tar pitch is an IARC Group 1 human carcinogen
FAA AC 150/5370-10H — Seal-Coat Items(FAA AC 150/5370-10H (2018))
View StandardThe current FAA standard for airport pavement construction. Its seal-coat items are the closest thing to a federal specification for the products homeowners and contractors use: coal-tar emulsion treatments are Items P-629/P-630/P-631, and asphalt-emulsion seal coats are P-608/P-623/P-626. (P-625/P-627 come from Engineering Brief 46/46A, not the current AC.)
Key Requirements:
- •P-630 / P-631 — refined coal-tar emulsion slurry seal (with/without additives)
- •P-629 — thermoplastic coal-tar emulsion surface treatment
- •P-608 / P-608-R — emulsified asphalt seal coat (gilsonite-modified)
- •P-623 / P-626 — emulsified asphalt spray seal / slurry seal
- •P-632 — asphalt pavement rejuvenation (penetrating, not a film)
USGS Research — Coal-Tar Sealcoat & PAHs(USGS PAH studies (Mahler, Van Metre et al.))
View StandardThe body of USGS science behind coal-tar regulation. It quantifies the PAH load in coal-tar sealcoat, links it to elevated house dust and cancer risk near sealed pavement, and documents measurable environmental recovery after municipal bans — the authority the calculator's ban advisory rests on.
Key Requirements:
- •Coal-tar sealcoat = 35,000–200,000 mg/kg PAHs (~100× used motor oil)
- •~85 million gallons/yr used in the US, mostly east of the Continental Divide
- •House dust ~25× higher in PAHs near coal-tar-sealed pavement
- •Austin ban cut Lady Bird Lake sediment ∑PAH16 ~44–58%
- •Asphalt-based sealer has <0.1% the PAH content of coal tar
Sealable vs. Repave — Distress Triage(Industry practice (Asphalt Kingdom; Wolf Paving))
View StandardSealcoat is preventive maintenance for STRUCTURALLY SOUND pavement with only surface/hairline cracks. Alligator (scaly, interconnected) cracking is base/fatigue failure — sealing masks it briefly while trapping moisture. This triage decides whether the calculator sizes sealer or hands you off to repave.
Key Requirements:
- •Hairline/surface cracks ≤ 1/2" → crack fill, then seal
- •Cracks 1/2"–1" → heavy/trowel fill (sand or backer rod if deep), then seal
- •Cracks > 1" → cold/hot patch, not pourable filler
- •Alligator/fatigue cracking → patch or repave, do not seal
- •New asphalt → wait 6–12 months to cure before the first seal
Crack-Filler Depth & Width Limits(Manufacturer practice (SealMaster; Asphalt Kingdom))
View StandardPourable crack filler is volumetric and depth-capped. Filling too deep wastes material and leaves a sunken repair; filling cracks that are really too wide is a false economy. These limits keep the crack-fill line honest and route oversized distress to patching.
Key Requirements:
- •Fill pourable filler only to ~1/2" depth per lift
- •Cracks deeper than 1/2" → backfill with dry silica sand or foam backer rod first
- •Keep backer rod/sand to within 1/4–1/2" of the surface
- •Cold-pour ~75–150 lf/gal; hot-pour ~200 lf/box
- •Cure crack repairs before sealcoating over them
Standards Disclaimer: Standards and codes are subject to periodic updates. Always verify current requirements with local building authorities and professional engineers before beginning construction. Links provided are for reference only.
Coal-Tar Bans Vary by State and County
The single legal difference that changes which sealer you can even buy
Coal-tar sealer is banned statewide in six states plus Washington, D.C., and in a growing list of counties and metros — but it is still sold and used in much of the country, primarily east of the Continental Divide. Where it is legal, asphalt-emulsion sealer (ASTM D8099) is the lower-toxicity alternative with under 0.1% the PAH content. Enter your state above and the calculator flags the statewide status.
Regional Examples:
Climate & Season Set the Application Window
Temperature, humidity, and rain timing decide whether the seal cures or fails
Sealcoat needs at least 50°F and rising, held for 24 hours, with no rain for 24–48 hours. That window is generous in a southern summer and narrow in a northern shoulder season. Applying too cold, too late in the day, or ahead of rain leaves a soft film that tracks and wears fast.
Regional Examples:
Pavement Condition Drives Coverage and Cost
Rough, oxidized asphalt can need nearly double the sealer of smooth pavement
Coverage 'varies with pavement age and porosity' on every TDS for a reason: a rough, raveled, sun-baked driveway soaks up far more sealer than smooth, previously sealed asphalt. The calculator's condition multiplier (smooth ×1.0, moderate ×0.75, rough ×0.55) reflects that — under-estimate it and you run short mid-job.
Regional Examples:
Seal, Patch, or Repave — Know the Line
Sealcoat maintains sound pavement; it cannot fix base failure
The most important regional-agnostic decision is whether the driveway should be sealed at all. Sealcoat is preventive maintenance for structurally sound asphalt with surface cracks. Alligator (scaly) cracking, rutting, and potholes are base/fatigue failure — sealing traps moisture and buys weeks, not years. New asphalt must cure first.
Regional Examples:
Homeowner Pails vs. Contractor Mix
Two accurate answers to the same job, from the same physical rate
A DIY homeowner buys ready-to-use pails; a contractor buys concentrate and mixes water, silica sand, and additive on site to hit the same 0.11–0.13 gal/sy applied rate. The calculator does both. The gap is film thickness: consumer labels claim 400–500 sq ft/pail, but independent testing found 250–300 on smooth — so the homeowner default is deliberately conservative.
Regional Examples:
Before You Build
- •Contact your local building department for specific requirements
- •Verify frost line depths, wind zones, and seismic requirements for your area
- •Check if permits are required and schedule required inspections
- •Consult with a local contractor familiar with local codes
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Want to Learn More?
How much driveway sealer you need, coal-tar bans by state, the crack-width fix, two-coat technique, cure windows, failure modes, and cost ranges.
Read the How to Sealcoat a Driveway
Plan disposal before you start
Smaller jobs still produce more debris than a few trash bags can hold. Check what's allowed in a dumpster and which disposal option fits the scope.
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How to Use This Calculator
- Enter your driveway size — length × width, or switch to direct square footage. Subtract any area you won't seal (drain grates, planted islands). A typical 2-car driveway is about 600 sq ft.
- Pick your pavement condition (smooth / moderate / rough) and the number of coats. Two coats is the professional standard; the first coat is modeled rich and each later coat about one-third leaner.
- Choose your mode: Homeowner sizes ready-to-use pails at a conservative tested coverage; Contractor sizes concentrate plus water, silica sand, and additive for a full mix design.
- Optionally add crack filler (total linear feet + widest crack class + fill method) and oil-spot primer (square feet of stained pavement). Cracks over 1 inch or deeper than 1/2 inch get flagged for patch or backer rod.
- Enter your state to check coal-tar legality, and flag new asphalt or alligator cracking. Read your results: sealer quantity, crack filler, and primer by line item, plus a coverage reference and prep notes. Copy or print the take-off.
Why Two Modes From One Rate
Manufacturer data sheets (SealMaster, Neyra, GemSeal) and FAA airport specs all agree on one number: mixed, ready-to-apply sealer goes down at about 0.11–0.13 gallons per square yard per coat, which is 70–82 square feet per gallon. Everything else is derived from that identity. Contractor mode works forward from concentrate (100–120 sq ft/gal before water and sand extend it); Homeowner mode translates the same rate into ready-to-use pails, but deliberately uses independently tested coverage (250–300 sq ft/pail smooth) rather than the optimistic label claim, because a 400–500 sq ft/pail film is too thin to match a professional two-coat system. Sealcoat is preventive maintenance for structurally sound asphalt — alligator cracking is base failure that needs repaving, not sealing.
Frequently Asked Questions
How much sealer do I need for a 2-car driveway?
A typical 2-car driveway of about 600 square feet needs roughly 4 to 5 ready-to-use pails for two coats on smooth, previously sealed asphalt — buy one extra for touch-ups. Rough or oxidized pavement drinks up more, so plan for the higher end. In contractor terms, that's about 0.12 gallons of mixed sealer per square yard per coat (roughly 75 square feet per gallon). The calculator sizes both ways: pails in Homeowner mode, or concentrate plus water, sand, and additive in Contractor mode. Note that the first coat uses more material than the second, because it soaks into the porous surface while the second coat only seals the remaining pores.
Why does the calculator use less coverage per pail than the label says?
Consumer sealer labels commonly claim 400–500 square feet per pail on smooth asphalt, but independent testing (The Honest Reviewers) found real-world coverage closer to 250–300 square feet on smooth pavement and 150–200 on rough. The math reconciles through film thickness: a 400–500 square-foot-per-pail film is roughly half as thick as a professional two-coat system, so it won't last as long. The calculator defaults Homeowner mode to the conservative tested band (about 275 square feet per pail on smooth, first coat) so you don't run short mid-job. Treat the label figure as a best-case upper bound, not a planning number.
Is coal-tar sealer banned in my state?
Coal-tar sealer is banned statewide in six states plus Washington, D.C.: Washington (2011), Minnesota (2014), New York (2023), Maryland (2023), Maine (2024), Virginia (2025), and D.C. (2009). Many counties and cities ban it independently even where the state allows it — for example Dane County WI, several Maryland counties, Cook County IL, Suffolk County NY, Austin and San Antonio TX, and Ann Arbor MI. Enter your state above and the calculator flags the statewide status. Coal-tar sealer contains 35,000–200,000 mg/kg of PAHs — about 1,000 times the level in asphalt-based sealer, per USGS — so where it's banned (or wherever you'd rather avoid the exposure), use an asphalt-emulsion sealer (ASTM D8099), which is legal in all 50 states.
How long after new asphalt can I seal it?
Wait 6 to 12 months. New asphalt is full of surface oils that need to oxidize out before it will accept sealer without tracking and staying soft. Manufacturer minimums are shorter — SealMaster lists about 4 weeks, and Neyra and GemSeal about 30 days for coal tar — but 6 to 12 months is the accepted homeowner window and the safer bet. The calculator has a 'new asphalt' flag that warns you to wait rather than sizing a purchase you shouldn't make yet. Sealing too early is one of the most common causes of a sealcoat that never fully cures and tracks onto shoes and tires.
How often should I reseal my driveway?
Every 2 to 3 years for most driveways, and sooner in harsh climates or under heavy traffic. But don't overseal: piling on new coats before the previous film has worn causes buildup, and the excess sealer develops its own cosmetic hairline 'alligatoring' — fine cracking in the sealer itself, not the pavement. The signal to reseal is when the black has faded to gray and the surface starts looking porous again, not a fixed calendar date. Two thin coats every few years outlast one heavy coat applied too often.
My driveway has alligator (scaly) cracking — can I just seal it?
No. Alligator cracking — the interconnected, scaly pattern that looks like reptile skin — is base or fatigue failure, meaning the layers under the asphalt have given way. Sealcoat is a surface treatment; it can't add structural strength, and sealing over alligatoring only masks it briefly while trapping moisture that accelerates the failure. This pavement needs patching or repaving. A quick field check: if a butter knife or screwdriver sinks into the cracks, the damage is structural. The calculator has an alligatoring flag that hands you off to the Asphalt Driveway Calculator for repave tonnage instead of sizing sealer.
How much crack filler do I need, and when do I patch instead?
Cold-pour pourable crack filler covers roughly 75–150 linear feet per gallon depending on width (about 150 for hairline cracks, 100 for 1/4–1/2 inch, 60 for 1/2–1 inch); hot-pour melt boxes run about 200 linear feet each. Fill cracks up to about 1/2 inch wide. Cracks deeper than 1/2 inch should be backfilled with dry silica sand or foam backer rod to within 1/4–1/2 inch of the surface first, or the filler just sinks. Cracks wider than about 1 inch are past pourable filler — they need cold-patch or hot-mix patch material, cured before you sealcoat over them. The calculator sizes filler by width class and flags anything that needs patching or backer rod.
Do I really need two coats?
Yes, two coats is the professional standard, and many consumer sealer warranties actually require the second coat. The first coat is largely absorbed by the porous, oxidized asphalt; the second coat is what forms the continuous protective film and seals the remaining pores. Because of that, the second coat uses about one-third less material than the first — which the calculator's coat factor builds in (two coats is 1.67× the single-coat material, not 2×). A third coat is worth adding only on high-traffic zones like the apron and entrance, not the whole driveway.
Does this calculator include the cost to seal a driveway?
No — like every calculator on the site, it's pricing-free and gives you material quantities only: sealer (pails or a full concentrate-plus-mix breakdown), crack filler, and oil-spot primer. Sealcoating cost swings too widely to bake into a formula: it depends on DIY versus hiring out, your pavement condition and how much crack repair and cleaning it needs, the sealer type, and local labor. Take the quantities from this calculator to a supplier for current material pricing, and get installed quotes locally if you're hiring a contractor. The companion guide discusses cost ranges in general terms, but the calculator itself stays quantities-only.