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How Much Crusher Run for a 10x8 Shed Base?

How much crusher run for a 10x8 shed base is a quick volume problem. 80 square feet at 4 inches comes to 0.99 cubic yards. Crusher run usually weighs about 1.5 to 1.7 compacted tons per cubic yard, so plan on roughly 1.5 tons.

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The math for a 10x8 shed base

  1. Area: 10 × 8 = 80 sq ft.
  2. Depth in feet: 4 ÷ 12 = 0.333 ft.
  3. Cubic feet: 80 × 0.333 = 26.7 cu ft.
  4. Cubic yards: ÷ 27 = 0.99 yd³.
  5. Tons: × 1.55 = 1.5 tons.

The volume and tonnage calculator does this for any size.

Crusher run needed by depth

DepthCubic yardsTons (approx.)Tons +10%
3 in0.741.11.3
4 in0.991.51.7
6 in1.482.32.5
8 in1.983.13.4

About crusher run

Crusher run (also sold as crush and run, dense-grade aggregate or QP in some regions) mixes stone with stone dust. It compacts into a firm, nearly solid layer, which makes it the usual base under pavers, asphalt and gravel drives. Ask your supplier for their own tons-per-yard figure, since stone source and moisture shift it.

Preparing the shed base

Level the footprint, extend the stone a foot or so beyond the shed walls for drip and drainage, and compact in lifts. A timber or block border holds the pad shape. Since the shed base carries a shed floor frame, 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. 1.7 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 shed base as firm ground allows.

Where crusher run fits

Works well for:

  • Base under asphalt, pavers or concrete
  • Gravel drives that need a firm, packed surface
  • Shed pads and equipment pads

Poor fit for:

  • Drainage layers, since the fines slow water
  • Decorative beds
  • Spots where you want water to soak straight through

Quick reference numbers

  • Per inch over 100 sq ft: about 0.48 tons of crusher run (0.31 cubic yards).
  • Per inch over 1,000 sq ft: about 4.8 tons.
  • Another size for comparison: a 12x24 area at 4 inches takes about 5.5 tons.
  • Weight used here: about 1.55 tons per cubic yard.

Common estimating mistakes

  • 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.
  • Ordering exactly the math. Uneven ground and spillage nearly always need a little more than the flat calculation.
  • Skipping drainage. Water sitting under any surface softens the base and leads to ruts and potholes.

Questions people ask

How many tons of crusher run for a 10x8 shed base?

About 1.5 tons at 4 inches deep, or 1.7 tons with 10 percent extra.

How many cubic yards is a 10x8 shed base at 4 inches?

About 0.99 cubic yards.

How much does a cubic yard of crusher run weigh?

Usually around 1.5 to 1.7 compacted tons, depending on stone size, fines and moisture.

How deep should crusher run be for a shed base?

The table above shows 3 to 8 inches. Shallower depths suit top dressing; deeper depths suit new installs and heavier use.

How many square feet is 10x8?

80 square feet.

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