How Many Tons of Asphalt for a 24 by 30 Driveway?

Twenty-four by thirty is a wide, fairly short drive of 720 square feet. Plan about 8.7 tons at two inches and about 13.1 tons at three inches. Width, not a car slogan, sets the tons. The plant ticket is the real weight.

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Wide and short, calculated once

This outline measures 720 square feet at 24 by 30. At two inches, 720 times 2 times 145 divided by 24,000 equals 208,800 divided by 24,000, which is 8.7 tons. At three inches, 720 times 3 times 145 divided by 24,000 equals 313,200 divided by 24,000, which is 13.05, about 13.1 tons. One inch of this rectangle is 720 times 145 divided by 24,000, or 4.35 tons, so the two-inch result is exact in the planning math and the three-inch result picks up a small rounding from 13.05 to 13.1. These are planning estimates at 145 pounds per cubic foot of compacted hot mix. The plant ticket is the real weight. A 16 by 30 drive is only about 8.7 tons at three inches. Here 8.7 tons is the two-inch figure. The shared number is a coincidence of area and depth, not a reason to swap jobs.

The extra width versus a twenty-foot drive

A 20 by 30 is 600 square feet, about 10.9 tons at three inches. This drive adds four feet of width, which is 120 square feet. At three inches, 120 times 3 times 145 divided by 24,000 equals 2.175, about 2.2 tons. Add about 2.2 to about 10.9 and you reach about 13.1. If someone ordered the twenty-foot total for a twenty-four-foot opening, the mat would be short by that slice before waste. Measure at the garage doors, where the width is real, and at the street, where a flare may be wider still. Average a trapezoid. Do not assume 24 feet all the way to the curb if the pavement necks down.

Room for equipment, and still a planning mat

Twenty-four feet often lets a paver work without paving the job entirely by hand, which can pull yield closer to 8.7 or 13.1. The perimeter is still raked. A five percent note on 13.1 is about 0.7 ton, for minor thickness variation only. It will not replace a soft base. Stone under the mix is planned separately, near 1.4 tons per cubic yard, and the quarry ticket is the real gravel weight. Neither 8.7 nor 13.1 is a required thickness. They are the weights of two possible compacted depths. Choose the depth, order that weight, and compare the scale tickets with 720 square feet when the outline is done.

A practical sequence

Multiply 24 by 30 to get 720 square feet.
Plan 8.7 tons at two inches or about 13.1 tons at three inches.
Add about 2.2 tons at three inches if you are widening a 20 by 30 up to 24 feet.
Keep the figures a planning estimate and use the plant ticket as the real weight.

The mistake to skip

Seeing 8.7 tons and assuming it means three inches, the way it does on a smaller 16 by 30 drive.

Questions people ask

How many tons is 24 by 30 at three inches?

About 13.1 tons. Twenty-four times 30 is 720 square feet, and 720 times 3 times 145 divided by 24,000 equals 13.05. The two-inch planning figure is 8.7 tons exactly in this math. The plant ticket is the real weight.

What if the drive is 24 feet wide for only part of the length?

Split it. Compute the wide piece and the narrow piece as separate rectangles, and subtract any overlap if you measured both as full boxes. Convert the net square feet at one thickness. Do not multiply 24 by the full length if the pavement necks down.

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