How Many Tons of Asphalt for a 24 by 24 Pad?

A 24 by 24 pad is 576 square feet. Plan about 7.0 tons at two inches, about 10.4 tons at three inches, and about 13.9 tons at four inches. Thickness depends on the load. The plant ticket is the real weight.

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Three depths for one square

One open square holds 576 square feet, the product of 24 and 24, the same area as the sample L that subtracts a corner from two larger legs, but this pad is one square. At two inches, 576 times 2 times 145 divided by 24,000 equals 167,040 divided by 24,000, which is 6.96, about 7.0 tons. At three inches, 576 times 3 times 145 divided by 24,000 equals 250,560 divided by 24,000, which is 10.44, about 10.4 tons. At four inches, 576 times 4 times 145 divided by 24,000 equals 334,080 divided by 24,000, which is 13.92, about 13.9 tons. Each extra inch is about 3.5 tons on this pad, because 576 times 145 divided by 24,000 is 3.48. These are planning estimates at 145 pounds per cubic foot. The plant ticket is the real weight.

A pad can mean cars or heavier feet

Use two inches only as a planning surface depth, three inches as a thicker planning mat, and four inches as a heavier planning thickness for something like equipment or a dumpster conversation. None of those is a code requirement stated here. The soil under the pad and the load on it decide the section. Four inches of asphalt on mud is not saved by the fact that 13.9 tons is a tidy number. Gravel base is its own calculation, often near 1.4 tons per cubic yard, and the quarry ticket is the real stone weight. If the pad is really a turnaround with approach lanes, those lanes are not inside the 576. Measure them and add their tons at the same thickness you chose for the square.

Small rounding, then the real truck

About 7.0 tons came from 6.96. If you need to show the work, keep one decimal until the last step and do not round 6.96 down to 6. A five percent allowance on 10.4 tons is 10.4 times 1.05, about 10.9 tons, and that allowance is for minor thickness variation only. An open 24-foot square often gives a paver room, so yield can track the formula more closely than a narrow drive. Edges and a thickened perimeter can still add mix. Ask the plant if you are stacking this pad with other work on one ticket. Afterward, the scale reading is what you bought, whether it prints 10.4 or a nearby number.

A practical sequence

Multiply 24 by 24 to get 576 square feet.
Plan about 7.0, 10.4, or 13.9 tons at two, three, or four inches.
Choose thickness from the load and the base, not from a code claim.
Treat the tons as a planning estimate and verify them on the plant ticket.

The mistake to skip

Quoting 10.4 tons and then paving four inches because the pad looks heavy.

Questions people ask

How many tons is a 24 by 24 pad at four inches?

About 13.9 tons. The area is 576 square feet, and 576 times 4 times 145 divided by 24,000 equals 13.92. About 7.0 tons is the two-inch figure and about 10.4 is the three-inch figure. All three are planning estimates. The plant ticket is the real weight.

Is 576 square feet the same tons as that sample L?

The areas match, so the tons match at the same thickness and density. The L example was also about 10.4 tons at three inches. The shapes are different. Use 576 only if you measured a full square, not if your L still needs the corner subtracted.

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