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How Much Decomposed Granite for an 8x10 Dog Run?

An 8 by 10 foot dog run covers 80 square feet. At 3 inches of decomposed granite, plan on 0.74 cubic yards, or about 1.0 tons, which answers how much decomposed granite for an 8x10 dog run.

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The math

  1. Area: 80.0 sq ft.
  2. Depth in feet: 3 ÷ 12 = 0.250 ft.
  3. Cubic yards: 80.0 × 0.250 ÷ 27 = 0.74 yd³.
  4. Tons: × about 1.35 tons per yard = 1.0 tons.

The gravel calculator does this for any size.

Decomposed granite needed by depth

DepthCubic yardsTons of decomposed graniteTons +10%
2 in0.490.70.7
3 in0.741.01.1
4 in0.991.31.5
6 in1.482.02.2

Stone for a dog run

Pea gravel is a common dog run surface because it drains and is easy on paws; some dogs dig in it, so edging and a deeper layer help. Rinse the run regularly, and pick stone without sharp edges.

Prep

Clear vegetation, rake the soil level and compact it. Lay fabric overlapped at the seams and set edging before spreading the stone.

Buying the stone

If you haul it yourself, a typical half-ton pickup should carry only about half a cubic yard of stone, well under what the bed looks like it can hold. Decomposed granite packs into a firm, natural path when wetted and compacted in thin lifts. The scale ticket is the real weight; tons per yard here is a planning figure.

Common mistakes

The most frequent problem is ordering for the finished depth without allowing for compaction, which can shrink a loose layer by 10 to 20 percent. Another is skipping fabric on soft soil and watching the stone vanish into the mud over the first wet season. Spreading everything in one thick layer instead of compacted lifts also leaves a soft, rutted surface.

Tools for the job

For anything bigger than a small path, rent a plate compactor; hand tampers cannot match it. A wheelbarrow, shovels, a hard rake and stakes with string are the rest of the kit. Wet the stone lightly before compacting so it binds.

Questions people ask

How many tons of decomposed granite for an 8x10 dog run?

About 1.0 tons at 3 inches deep.

How many yards of decomposed granite for an 8x10 dog run?

About 0.74 cubic yards.

How many tons of decomposed granite are in a cubic yard?

Roughly 1.35 tons for planning, but suppliers vary with stone size and moisture.

Do I need to compact it?

Yes for anything that carries weight. Compact in lifts of a few inches with a plate compactor.

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