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How Much Crushed Stone for a 60x80 Pole Barn?

A 60 by 80 pole barn covers 4,800 square feet. Spread 6 inches deep, the pad takes about 88.89 cubic yards, which is roughly 124.4 tons of crushed stone. That answers how much crushed stone for a 60x80 pole barn for a typical floor base.

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The math

  1. Area: 4,800.0 sq ft.
  2. Depth in feet: 6 ÷ 12 = 0.500 ft.
  3. Cubic yards: 4,800.0 × 0.500 ÷ 27 = 88.89 yd³.
  4. Tons: × about 1.4 tons per yard = 124.4 tons.

The crushed stone calculator does this for any size.

Crushed stone needed by depth

DepthCubic yardsTons of crushed stoneTons +10%
4 in59.2683.091.3
6 in88.89124.4136.9
8 in118.52165.9182.5
12 in177.78248.9273.8

How deep the barn pad should be

Plan the pad around what the barn will hold. Hay and tools sit fine on 4 inches of compacted stone; tractors, trucks or a later slab pour justify 6 to 8 inches built up in compacted lifts.

Extending the pad past the walls

Many owners run the stone 1 foot beyond each wall: 62x82 feet, 5,084 sq ft, about 131.8 tons at 6 inches. It keeps mud away from the doors and protects the post bases.

Layering the base

Strip topsoil, level and compact the subgrade, then spread stone in lifts of about 3 to 4 inches, compacting each. A coarser base topped with a finer, packable stone often makes the most solid floor.

Ordering and delivery

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. Crushed stone has angular faces that lock together under a compactor, which is why it holds a pad shape. Ask your supplier for their own tons-per-yard number, since stone source and moisture change it.

Questions people ask

How many tons of crushed stone for a 60x80 pole barn?

About 124.4 tons at 6 inches deep.

How many yards of crushed stone for a 60x80 pad?

About 88.89 cubic yards at 6 inches.

How deep should a pole barn gravel pad be?

About 4 inches for light use and 6 to 8 inches for vehicles or a future slab.

How many tons of crushed stone 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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