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Recycled Concrete Aggregate for a 24x24 Parking Pad

How much recycled concrete aggregate for a 24x24 parking pad: at 4 inches deep you need about 7.11 cubic yards, which is roughly 9.2 tons at 1.3 tons per yard. The parking pad covers 576 square feet, so every inch of depth adds about 1.78 yards.

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The math for a 24x24 parking pad

  1. Area: 24 × 24 = 576 sq ft.
  2. Depth in feet: 4 ÷ 12 = 0.333 ft.
  3. Cubic feet: 576 × 0.333 = 192.0 cu ft.
  4. Cubic yards: ÷ 27 = 7.11 yd³.
  5. Tons: × 1.3 = 9.2 tons.

The volume and tonnage calculator does this for any size.

Recycled concrete aggregate needed by depth

DepthCubic yardsTons (approx.)Tons +10%
3 in5.336.97.6
4 in7.119.210.2
6 in10.6713.915.3

About recycled concrete aggregate

Recycled concrete aggregate is crushed old concrete. It compacts well and often costs less than virgin stone, which makes it a common driveway and pad base. If the yard sells by the cubic yard instead of the ton, use the cubic-yard column directly.

Preparing the parking pad

Dig out organic soil, compact the subgrade and set an edge so the stone does not migrate onto the lawn. A pad that holds parked weight for long periods benefits from a dense base under the surface stone. Since the parking pad carries parked vehicles, a little extra depth is cheap insurance.

Ordering tips

  • Round up. Compaction and uneven ground eat material. Adding about 10 percent is common.
  • Delivery size. 10.2 tons fits in a single typical dump truck load; small loads may carry a delivery fee. See how many tons of gravel in a dump truck.
  • Bulk vs bags. At this size bulk delivery is usually the practical choice.
  • Where it drops. Have the truck dump as close to the parking pad as firm ground allows.

Where recycled concrete aggregate fits

Works well for:

  • Driveway and pad bases
  • Temporary construction entrances
  • Fill under slabs when compacted in lifts

Think twice for:

  • Near ponds, streams or sensitive plants, since fresh crush can raise pH
  • Decorative top layers
  • Drainage layers, unless the product is clean and screened

Quick reference numbers

  • Per inch over 100 sq ft: about 0.40 tons of recycled concrete aggregate (0.31 cubic yards).
  • Per inch over 1,000 sq ft: about 4.0 tons.
  • Another size for comparison: a 14x28 area at 4 inches takes about 6.3 tons.
  • Weight used here: about 1.3 tons per cubic yard.

Where estimates go wrong

  • Ordering exactly the math. Uneven ground and spillage nearly always need a little more than the flat calculation.
  • Using inches as if they were feet. Depth has to be divided by 12 before you multiply; skipping that step inflates the order twelvefold.
  • 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.

Questions people ask

How many tons of recycled concrete aggregate for a 24x24 parking pad?

About 9.2 tons at 4 inches deep, or 10.2 tons with 10 percent extra.

How many cubic yards is a 24x24 parking pad at 4 inches?

About 7.11 cubic yards.

How much does a cubic yard of recycled concrete aggregate weigh?

Usually around 1.2 to 1.4 tons, depending on stone size, fines and moisture.

How deep should recycled concrete aggregate be for a parking pad?

The table above shows 3 to 6 inches. Shallower depths suit top dressing; deeper depths suit new installs and heavier use.

How many square feet is 24x24?

576 square feet.

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