Tons of Asphalt for 4,000 Square Feet

Tons of asphalt for 4,000 square feet: about 48.3 tons at 2 inches compacted and about 72.5 tons at 3 inches, figured at roughly 145 pounds per cubic foot. That is 444 square yards of pavement.

Asphalt tonnage calculator →

Tons by thickness

Thickness	Tons	Tons +5%
1.5 in	36.2	38.1
2 in	48.3	50.8
2.5 in	60.4	63.4
3 in	72.5	76.1
4 in	96.7	101.5

How the numbers are built

4,000 sq ft × (2 ÷ 12) ft = 667 cubic feet at 2 inches.
× 145 lb = 96,667 lb.
÷ 2,000 = 48.3 tons.

Rule of thumb: roughly 6 tons per 1,000 square feet for every inch of thickness. See tons of asphalt per 1,000 square feet.

What size job this is

This is a large residential driveway or a small commercial lot. Overlays often run 1.5 to 2 inches; new work 2 to 3 inches.

Trucks and ordering

At 3 inches, 72.5 tons is about 6 truckloads at around 14 tons each. Plants set minimum orders and charge for hauling; see asphalt hauling cost per ton.

Things that move the total

Mix density typically runs 140 to 150 lb per cubic foot.
Base condition: dips and ruts fill with extra mix.
Waste of 5 to 10 percent is a common allowance.

Run exact numbers with the asphalt tonnage calculator.

Where asphalt fits

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

Less suited to:

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 14x28 area at 3 inches takes about 7.3 tons.
Weight used here: about 2.0 tons per cubic yard (roughly 145 lb per compacted cubic foot).

Common estimating mistakes

Skipping drainage. Water sitting under any surface softens the base and leads to ruts and potholes.
Measuring only the main rectangle. Aprons, turnouts and curved edges add real square footage.
Using inches as if they were feet. Depth has to be divided by 12 before you multiply; skipping that step inflates the order twelvefold.
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 4,000 square feet at 2 inches?

About 48.3 tons.

How many tons for 4,000 square feet at 3 inches?

About 72.5 tons.

How many square yards is 4,000 square feet?

About 444 square yards.

What density is used here?

145 lb per compacted cubic foot, a common planning figure.

Should I add extra?

Most estimators add 5 to 10 percent for waste and uneven base.

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