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How Much Asphalt Millings for a 10x80 Driveway?

How much asphalt millings for a 10x80 driveway is a quick volume problem. 800 square feet at 4 inches comes to 9.88 cubic yards. Asphalt millings usually weighs about 1.2 to 1.4 loose tons per cubic yard, so plan on roughly 12.8 tons.

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The math for a 10x80 driveway

  1. Area: 10 × 80 = 800 sq ft.
  2. Depth in feet: 4 ÷ 12 = 0.333 ft.
  3. Cubic feet: 800 × 0.333 = 266.7 cu ft.
  4. Cubic yards: ÷ 27 = 9.88 yd³.
  5. Tons: × 1.3 = 12.8 tons.

The volume and tonnage calculator does this for any size.

Asphalt millings needed by depth

DepthCubic yardsTons (approx.)Tons +10%
3 in7.419.610.6
4 in9.8812.814.1
6 in14.8119.321.2

About asphalt millings

Asphalt millings are ground-up old pavement. When compacted and warmed by sun they bind into a fairly firm surface, which is why they are popular for rural drives and lots. 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. 14.1 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 asphalt millings

Best suited to:

  • Rural driveways and farm lanes
  • Parking areas where a dust-free surface is wanted
  • Low-cost base under a future paved surface

Think twice for:

  • Areas near wells or streams where local rules limit them
  • Decorative or barefoot areas
  • Jobs needing a uniform, clean look

Quick reference numbers

  • Per inch over 100 sq ft: about 0.40 tons of asphalt millings (0.31 cubic yards).
  • Per inch over 1,000 sq ft: about 4.0 tons.
  • Another size for comparison: a 10x20 area at 4 inches takes about 3.2 tons.
  • Weight used here: about 1.3 tons per cubic yard.

Mistakes that throw off the order

  • Skipping drainage. Water sitting under any surface softens the base and leads to ruts and potholes.
  • Using inches as if they were feet. Depth has to be divided by 12 before you multiply; skipping that step inflates the order twelvefold.
  • Measuring only the main rectangle. Aprons, turnouts and curved edges add real square footage.
  • 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 millings for a 10x80 driveway?

About 12.8 tons at 4 inches deep, or 14.1 tons with 10 percent extra.

How many cubic yards is a 10x80 driveway at 4 inches?

About 9.88 cubic yards.

How much does a cubic yard of asphalt millings weigh?

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

How deep should asphalt millings 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 10x80?

800 square feet.

Related guides

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