Asphalt Driveway Cost Calculator

How do you estimate asphalt driveway cost?

Turn the driveway into tons of hot mix, multiply by the price per ton in your quote, then add the lines that are not asphalt: excavation, stone base, edging, tack or prime coat, mobilization and any permit. The calculator above does the tonnage and the asphalt line; the rest comes from your contractor.

Asphalt is weighed, so quantity is the anchor that makes quotes comparable. Two contractors can quote different totals for “a 12 × 60 driveway” simply because one prices 2 in of asphalt and the other 3 in. Once you know the tons each one is pricing, you can see which is cheaper per ton and which is giving you more pavement.

Tons = area (ft²) × compacted thickness (in) × 145 ÷ 24,000
Asphalt cost = tons × (1 + waste %) × your price per ton
Cost per ft² = asphalt cost ÷ area (ft²)

The 145 lb/ft³ figure is a planning density. A paving checklist from the Pennsylvania Asphalt Pavement Association, hosted by Penn State, puts compacted mix at 144 to 160 lb/ft³ (108 to 120 lb per square yard per inch) and tells crews to use the job mix formula for the real number. The asphalt calculator explains the density in detail.

What is the asphalt cost per square foot method?

Cost per square foot is your price per ton divided by the square feet a ton covers at your thickness. Contractors often quote per square foot or per square yard; converting to per ton (or the other way) tells you how thick the quote assumes.

The table gives the tons per 1,000 ft² with 10% extra and what every $100 of price per ton means per square foot. Scale it to your price: at $80 per ton, multiply the last column by 0.8.

Run a quote backwards to check it. If a contractor offers 720 ft² of paving for an asphalt line of $1,000 and says the price is $100 per ton, that is 10 tons, which is about 2.1 in on a 720 ft² drive with 10% extra. If they promised 3 in, ask where the other 4.4 tons went.

A per-square-foot quote usually bundles more than material: crew time, rollers and pavers, trucking, and the base work. Ask for the asphalt tonnage and thickness on the proposal, so the comparison is like for like.

Common driveway sizes

What drives the price of an asphalt driveway?

The per-ton price of hot mix is only one line. These are the items that move a residential quote, roughly in order of how often they change the total:

• Thickness. Tonnage is proportional to thickness. Going from 2 in to 3 in on 1,000 ft² raises the order from 13.29 to 19.94 tons with 10% extra, 50% more asphalt.
• Base work. A new drive on soft or unsuitable soil needs digging out and a compacted stone base. Shaker Heights, Ohio, for example, requires unsuitable material such as spongy soil, roots and shale to be removed before the base goes down. Six inches of crusher run on a 12 × 60 ft drive is about 23.5 tons, more weight than the asphalt itself.
• Number of layers. Two-lift designs (a base course plus a surface course) need two placements. Shaker Heights’ second allowed design is 1.25 in of surface over 3.5 in of asphalt base: 4.75 in of asphalt, about 22.73 tons on 12 × 60 ft with 10% extra.
• Liquid binder price. Asphalt binder is refined from crude oil, and many state DOTs publish a monthly binder price index that they use to adjust contract prices. Ask your contractor whether the quote is fixed or tied to an index, and for how long.
• Job size and access. Plants and crews have minimums, so small drives cost more per ton. Tight access, long hand-work edges and hills add time.
• Drainage and grade. Water must run away from the house. Shaker Heights requires driveways to drain to a storm sewer or the street, with no ponding, and the surface no higher than the garage floor or door thresholds.
• Prime, tack and edges. A prime coat on a stone base or a tack coat between lifts is a small but separate item (Shaker Heights specifies 0.4 gal/yd² prime and 0.04 gal/yd² tack in its two designs).

Resurface vs overlay vs new: which should you price?

Price an overlay when the base is sound and the problems are on the surface; price a replacement when the base has failed. An overlay buys a new wearing surface with far less material and no excavation.

“Resurfacing” and “overlay” usually mean the same thing in driveway quotes: a new layer laid on the old one. The terms that matter are the thickness and whether the old surface is milled first. Local rules can set the minimum: Shaker Heights requires recoated asphalt to be at least 2 in thick, and if a new layer would rise above window wells, thresholds or the garage floor, the old asphalt must be ground down first. The same city prohibits paving asphalt over existing concrete.

An overlay does not fix a failed base. Alligator cracking across the wheel paths, sunken areas or soft spots after rain point to a base problem that will reflect through a new surface. Ask the contractor to say in writing which areas they will cut out and patch before the overlay.

How much does sealcoating cost?

Sealcoat cost is the driveway area divided by the coverage on the product label, times the price per container, times the number of coats, plus labor if you hire it out. Sealer is a thin coating, not a structural layer, so it is priced by area, not by ton.

Containers = area (ft²) × coats ÷ label coverage per container (ft²)

Coverage depends on the product, the surface texture and the age of the asphalt, so use the figure printed on the pail rather than a generic one. As arithmetic only: a 12 × 60 ft drive is 720 ft². If the label says 300 ft² per pail per coat, one coat takes 2.4 pails and two coats take 4.8, so buy 3 or 5. Rougher, older surfaces soak up more sealer and land at the low end of the label’s range.

When comparing a sealcoat quote with DIY, include crack filling, edging, cleaning, and the time the drive must stay closed while it cures; the product label states that cure time.

Asphalt vs concrete driveway: how do the costs compare?

Compare like for like: the same area, each priced from local quotes at the thickness your contractor or local rules call for. Material quantity is where the two differ most clearly, and it is the part you can calculate yourself.

To compare, multiply each quantity by its quoted unit price and add the base, forming, finishing and joints. Use the concrete driveway cost page to build the concrete side with your ready-mix price, and the gravel driveway cost page if gravel is on the table too.

Installation price is not the whole comparison. Asphalt surfaces are usually resealed and eventually overlaid, while concrete has joints and different repair methods. Ask each contractor what maintenance their surface expects and price it over the years you plan to stay.

How to read an asphalt driveway quote

A useful quote lets you rebuild the total from quantities. Ask for these items in writing:

1. Area in ft² or yd², with the measured dimensions.
2. Compacted thickness of each asphalt layer and the mix type. Loose thickness is higher than compacted, so the proposal should state compacted.
3. Tons of asphalt, or a price per ton you can check against the calculator.
4. Base: depth and type of stone, and whether excavation is included.
5. Prep: removal of the old surface, milling, patching, tack or prime coat.
6. Drainage and grade that send water away from the house.
7. Price adjustment: whether the price is fixed or tied to a binder index, and how long the quote is valid.
8. Permits and inspections, if your city requires them; Shaker Heights requires an inspection before new asphalt or resurfacing.

Metric estimate

Outside the US, hot mix is sold by the tonne. At 2,323 kg/m³ a 50 mm layer weighs about 116 kg per m². A 6 × 10 m drive at 50 mm is 3 m³, about 6.97 tonnes, or 7.66 tonnes with 10% extra; at 60 mm it is 8.36 tonnes before the allowance. Multiply the tonnes by your supplier’s price per tonne.

Mistakes that make asphalt estimates wrong

• Comparing totals without thickness. A lower quote at 2 in is not cheaper than a higher quote at 3 in until you divide by tons.
• Forgetting the base. On new work the stone base can weigh more than the asphalt; size it with the crusher run calculator.
• Using cubic yards for hot mix. A cubic yard of compacted asphalt is about 1.96 tons, so “7 yards” and “7 tons” differ by nearly half.
• Treating a national average as your price. Asphalt rates swing with region, season, plant distance and binder prices. Get two or three local written quotes.
• Overlaying a failed base. It looks fine for a season, then the cracks come back through.

For tonnage alone, including patches and odd shapes, use the asphalt calculator. To convert a stone or asphalt weight to volume, use tons to cubic yards. For a thinner tar-and-chip surface priced by chip tons and binder gallons, see chip seal driveway cost.