How Many Tons of Asphalt for a 22x90 Driveway?

A 22 by 90 foot driveway covers 1,980 square feet. How many tons of asphalt for a 22x90 driveway depends mostly on the finished thickness: about 23.9 tons for a 2-inch overlay and about 35.9 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 22x90

Area: 22 ft × 90 ft = 1,980 sq ft.
Thickness in feet: 3 inches ÷ 12 = 0.25 ft.
Volume: 1,980 × 0.25 = 495 cubic feet.
Weight: 495 × 145 lb = 71,775 lb.
Tons: divide by 2,000 = 35.9 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	330	23.9	25.1
2.5 in	412	29.9	31.4
3 in	495	35.9	37.7
4 in	660	47.9	50.2

Which thickness to plan

Thickness is set by traffic and base. Cars on a well-compacted base get by with 2 to 3 inches. A driveway 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, 35.9 tons is about 3 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

Best suited to:

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

Think twice 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 15x30 area at 4 inches takes about 11.1 tons.
Weight used here: about 2.0 tons per cubic yard (roughly 145 lb per compacted cubic foot).

Common estimating mistakes

Forgetting that compaction shrinks loose material. A loose 4-inch spread of a dense-graded stone may finish closer to 3 inches after rolling.
Skipping drainage. Water sitting under any surface softens the base and leads to ruts and potholes.
Mixing up cubic yards and tons. Yards are volume, tons are weight; convert with the product’s weight per yard.
Assuming every supplier uses the same weight. Two yards selling the same product name can quote different tons per yard.

Questions people ask

How many tons of asphalt for a 22x90 driveway at 2 inches?

About 23.9 tons of compacted asphalt, or around 25.1 tons with a 5 percent allowance.

How many tons for a 22x90 driveway at 3 inches?

About 35.9 tons at 145 lb per cubic foot.

How many square feet is a 22x90 driveway?

1,980 square feet, or about 220 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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