How Much Recycled Concrete Aggregate for a 12x300 Driveway?

A 12 by 300 foot driveway is 3,600 square feet. How much recycled concrete aggregate for a 12x300 driveway depends on depth: at 4 inches it is about 44.44 cubic yards or 57.8 tons. Suppliers usually sell by the ton, so the tonnage is the number to give them.

Volume and tonnage calculator →

The math for a 12x300 driveway

Area: 12 × 300 = 3,600 sq ft.
Depth in feet: 4 ÷ 12 = 0.333 ft.
Cubic feet: 3,600 × 0.333 = 1,200.0 cu ft.
Cubic yards: ÷ 27 = 44.44 yd³.
Tons: × 1.3 = 57.8 tons.

The volume and tonnage calculator does this for any size.

Recycled concrete aggregate needed by depth

Depth	Cubic yards	Tons (approx.)	Tons +10%
3 in	33.33	43.3	47.7
4 in	44.44	57.8	63.6
6 in	66.67	86.7	95.3

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. Ask your supplier for their own tons-per-yard figure, since stone source and moisture shift it.

Preparing the driveway

Strip sod and soft topsoil, grade for drainage and compact the subgrade before any stone goes down. Gravel drives last longer with a compacted base layer under the top stone and a slight crown so water runs off. For car and truck traffic, the depths in the table above are a reasonable starting range.

Ordering tips

Round up. Compaction and uneven ground eat material. Adding about 10 percent is common.
Delivery size. 63.6 tons may take more than one 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 driveway as firm ground allows.

Good and poor uses for recycled concrete aggregate

Good uses:

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

Poor fit 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.

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.
Ignoring the base. A thin surface layer over soft soil fails early no matter how much material is on top.
Measuring only the main rectangle. Aprons, turnouts and curved edges add real square footage.
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 12x300 driveway?

About 57.8 tons at 4 inches deep, or 63.6 tons with 10 percent extra.

How many cubic yards is a 12x300 driveway at 4 inches?

About 44.44 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 driveway?

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 12x300?

3,600 square feet.

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