How Many Tons of Asphalt for a 26x90 Parking Area?

A 26 by 90 foot parking area covers 2,340 square feet. How many tons of asphalt for a 26x90 parking area depends mostly on the finished thickness: about 28.3 tons for a 2-inch overlay and about 42.4 tons for a 3-inch new surface, figured at roughly 145 lb per compacted cubic foot.

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Step-by-step math for 26x90

Area: 26 ft × 90 ft = 2,340 sq ft.
Thickness in feet: 3 inches ÷ 12 = 0.25 ft.
Volume: 2,340 × 0.25 = 585 cubic feet.
Weight: 585 × 145 lb = 84,825 lb.
Tons: divide by 2,000 = 42.4 tons.

Swap in your own thickness and the plant’s stated density if you have it. The asphalt tonnage calculator runs the same steps.

Tons at common thicknesses

Compacted thickness	Cubic feet	Tons (145 lb/ft³)	Tons +5%
2 in	390	28.3	29.7
2.5 in	488	35.3	37.1
3 in	585	42.4	44.5
4 in	780	56.5	59.4

What thickness fits this job

Thickness is set by traffic and base. Cars on a well-compacted base get by with 2 to 3 inches. A parking area that sees heavy deliveries or sits on soft soil needs more, either thicker asphalt or a deeper base, and a contractor may split it into two lifts.

Ordering and trucks

At 3 inches, 42.4 tons is about 4 tandem-axle loads if a truck carries around 14 tons, though legal loads vary by state and truck. Plants often have minimum orders, and small jobs may carry a short-load charge. See how many tons in a truckload of asphalt for more on load sizes.

Things that change the tonnage

Uneven base. Low spots fill with extra mix. A base that is graded and compacted flat keeps the tonnage close to the math.
Edges and flares. Curved edges, a wider apron at the street or a turnaround add square footage. Measure those separately and add them in.
Density. Mixes typically range from about 140 to 150 lb per compacted cubic foot. Ask your plant for its number if you need tight figures.
Waste. Many estimators add 5 to 10 percent for handling, raking and thickness variation.

Pricing it out

Multiply your tonnage by the per-ton price your local plant or contractor quotes. Installed prices also cover base work, equipment and labor, so material tons are only part of the bid. See asphalt cost per ton for what goes into a quote.

When to choose asphalt

Good uses:

Driveways, parking pads and private lanes that need a smooth, sealed surface
Overlays on old pavement that is cracked but still structurally sound
Areas where snow will be plowed, since a paved surface does not throw stone

Poor fit for:

Ground that stays soft or wet, unless the base and drainage are fixed first
Very small patches, where bagged cold patch is often simpler
Jobs in cold weather, since hot mix needs warm temperatures to compact properly

Quick reference numbers

Per inch over 100 sq ft: about 0.62 tons of asphalt (0.31 cubic yards).
Per inch over 1,000 sq ft: about 6.2 tons.
Another size for comparison: a 12x24 area at 4 inches takes about 7.1 tons.
Weight used here: about 2.0 tons per cubic yard (roughly 145 lb per compacted cubic foot).

Common estimating mistakes

Ignoring the base. A thin surface layer over soft soil fails early no matter how much material is on top.
Skipping drainage. Water sitting under any surface softens the base and leads to ruts and potholes.
Assuming every supplier uses the same weight. Two yards selling the same product name can quote different tons per yard.
Ordering exactly the math. Uneven ground and spillage nearly always need a little more than the flat calculation.

Questions people ask

How many tons of asphalt for a 26x90 parking area at 2 inches?

About 28.3 tons of compacted asphalt, or around 29.7 tons with a 5 percent allowance.

How many tons for a 26x90 parking area at 3 inches?

About 42.4 tons at 145 lb per cubic foot.

How many square feet is a 26x90 parking area?

2,340 square feet, or about 260 square yards.

Does the stone base count in the asphalt tonnage?

No. The base is ordered separately, usually as crushed stone or road base by the ton. The base calculator handles that part.

What density should I use?

About 145 lb per cubic foot is a common planning figure for compacted hot mix. Your plant may give a slightly different number.

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