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How Much Crusher Run for a 24x30 Carport?

A 24 by 30 foot carport (wide double) covers 720 square feet. How much crusher run for a 24x30 carport: plan on 20.7 tons for a 6-inch pad that will carry vehicles.

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The math

  1. Area: 720.0 sq ft.
  2. Depth in feet: 4 ÷ 12 = 0.333 ft.
  3. Cubic yards: 720.0 × 0.333 ÷ 27 = 8.89 yd³.
  4. Tons: × about 1.55 tons per yard = 13.8 tons.

The crushed stone calculator does this for any size.

Crusher run needed by depth

DepthCubic yardsTons of crusher runTons +10%
4 in8.8913.815.2
6 in13.3320.722.7
8 in17.7827.630.3

Carport pad tips

Metal carport kits anchor to concrete, asphalt or ground anchors in soil or gravel. Check your kit’s anchor type before building the pad, and extend the stone a foot past the frame so posts sit on compacted base.

How deep

Four inches works on firm ground for cars. Six inches is safer for trucks, heavy SUVs or soft soil.

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. Crusher run mixes stone and stone dust, so it packs nearly solid when compacted in layers. Round up by about 10 percent for compaction and uneven ground.

Planning the cost

Stone is usually priced per ton or per cubic yard, and delivery is often a separate charge based on distance. A full truckload can cost less per ton than a partial one, so it can pay to combine projects. Ask whether the quote includes tax, delivery and any small-load fee before you compare yards.

Measuring the area

Use a long tape and measure each side twice. If the ground slopes, measure depth at the high and low ends and average them. Irregular outlines can be broken into simple rectangles, triangles and circles; add the pieces for the total square footage before converting to tons.

Questions people ask

How many tons of crusher run for a 24x30 carport?

About 13.8 tons at 4 inches or 20.7 at 6 inches.

Can a carport sit on gravel?

Many metal carports anchor into compacted gravel with ground anchors; check your kit.

How many tons of crusher run are in a cubic yard?

Roughly 1.55 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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