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How Much Gravel for a 12x12 Chicken Run?

How much gravel for a 12x12 chicken run: about 1.9 tons at 3 inches deep. The area is 144 square feet, which is 1.33 cubic yards at that depth.

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The math

  1. Area: 144.0 sq ft.
  2. Depth in feet: 3 ÷ 12 = 0.250 ft.
  3. Cubic yards: 144.0 × 0.250 ÷ 27 = 1.33 yd³.
  4. Tons: × about 1.4 tons per yard = 1.9 tons.

The gravel calculator does this for any size.

Gravel needed by depth

DepthCubic yardsTons of gravelTons +10%
2 in0.891.21.4
3 in1.331.92.1
4 in1.782.52.7
6 in2.673.74.1

Chicken Run tips

Chickens scratch, so a run floor of washed stone 3 to 4 inches deep holds up better than bare soil. Grade the run so water runs out of it, and hose or rake the stone clean as needed.

Prep

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

Getting it delivered

Small dump trucks commonly carry around 5 to 10 tons and tri-axles more, but loads vary by truck and state, so ask the yard what fits in one trip. Gravel is a broad label, so confirm whether the yard means crushed or rounded stone and whether it carries fines. Ask your supplier for their own tons-per-yard number, since stone source and moisture change it.

Common mistakes

People often forget that compaction reduces volume, so they come up short. Others order clean, round stone where a packable crushed stone with fines would have stayed put. Finally, dumping the whole load in one pile far from the work area adds hours of wheelbarrow trips.

Tools for the job

A flat shovel, a steel rake, a wheelbarrow and a rented plate compactor cover most residential pads. A landscape rake or the back of a rake levels the top layer, and a long straightedge or a level string shows high and low spots before the final pass.

Questions people ask

How many tons of gravel for a 12x12 chicken run?

About 1.9 tons at 3 inches deep.

How many yards of gravel for a 12x12 chicken run?

About 1.33 cubic yards.

How many tons of gravel are in a cubic yard?

Roughly 1.4 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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