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Crusher run calculator for West Virginia

Calculate this compacting base by its finished depth, not by a loose-material estimate.

Enter your project dimensions

ft
Enter a length greater than 0
ft
Enter a width greater than 0
ft
Enter a diameter greater than 0
in
Enter a depth between 0.25 and 24 inches
Add 5% extra for compaction & spillage

Crusher run settles 10-15% when compacted from its loose condition in the truck. If you order only for the measured depth, the finished base may end up half an inch thin. This calculator keeps a +10% allowance switched on for that reason. You may see it called dense grade, Class 1 Base in West Virginia, or 2 inch minus on some tickets. These names refer to crushed stone with fines included, about 3,000 lb per cubic yard, which compacts into a surface tires do not easily push aside.

Order for compacted depth

  1. In feet, measure the area: multiply lane length by width, or use the pad measurements.
  2. Enter the needed compacted depth: 4 inches for pavers and paths, 4-6 for driveways, and 6-8 beneath trucks.
  3. For yards, divide cubic feet by 27; multiply by 1.5 for tons. Keep +10% selected. Depth specifications apply after rolling.
Tons = (Area sq ft × Compacted depth in ÷ 12) ÷ 27 × 1.5 × 1.10

Per-ton coverage

Compacted depth1 cubic yard covers1 ton covers
2 inches162 sq ft≈ 108 sq ft
4 inches81 sq ft≈ 54 sq ft
6 inches54 sq ft≈ 36 sq ft
8 inches41 sq ft≈ 27 sq ft

Best uses and limits

  • Driveway base needs 4-6 inches after compaction. Cover it with 2-3 inches of #57 or driveway gravel for the driving layer.
  • For a low-cost rural lane, crusher run can serve as the driving surface. It will produce summer dust and need regrading every 2-4 years.
  • For paver or slab bases, compact 4 inches in 2-inch lifts. Use the Paver Base Calculator for the entire paver assembly.
  • Shed and hot-tub pads need 4 inches over stripped ground, or 6 where soil is soft.
  • Keep crusher run out of a French drain. Its fines help it bind but also retain water. Use clean #57 or drain rock where drainage is needed.

Example: 20 x 10 parking pad

At 4 inches compacted, two hundred square feet works out to 200 x 0.333 = 67 cubic feet = 2.5 cubic yards, or 3.7 tons. With the allowance, order 4 tons. Put down half, compact it, then place and compact the remainder. Two 2-inch lifts last longer than one 4-inch pour, and an afternoon plate-compactor rental costs less than repairing the first pothole.

Delivery guidance

  • Have the base stone and surface stone delivered together so work can continue on schedule. Delivery is free either way.
  • Start at the far end, then spread material back toward the pile. On large pads, going downhill saves a full day over working uphill.
  • Lightly mist each lift before rolling it. Damp crusher run compacts tighter than dry material.
  • Save a wheelbarrow-load for later touch-ups. It works for pothole patches when the drive needs attention.

How pricing works

Crusher run comes from crusher output, unlike washed and sorted stone. On a 4-ton order, the +10% allowance can prevent the need for a second half-ton delivery. See the Crusher Run product page for the per-ton price, compare Road Base, and order both driveway layers in one free delivery.

Crusher run, dense grade, and Class 1 Base questions

How much crusher run is needed for a driveway?
Estimate from the lane footprint and a 4 to 6 inches compacted layer. Use 1.5 tons per yard, then allow 10%. At 4 inches, a 50 x 10 ft lane comes to roughly 10 tons delivered.
What does a yard of crusher run weigh?
A cubic yard is about 3,000 lb and 1.5 tons, with a little added weight after rain. Fines fill gaps between the stones, making it heavier than clean gravel.
How do crusher run and gravel differ?
Crusher run contains stone dust, while products such as #57 are washed or screened clean. The dust lets a base compact firmly. Clean stone remains loose for drainage and surface use. A driveway uses the base first, then the clean stone.
Are crush and run and crusher run the same?
They are the same material under different regional names. Dense grade, Class 1 Base, and 2 inch minus belong to the same product group. Any of these names identifies the same blend.
Can crusher run serve as the final surface?
For low-traffic rural drives, yes. It compacts into a firm crust, but dry periods create dust and the lane needs regrading every few years. Add 2 inches of #57 later to address both.
How much will crusher run compress?
Ten to fifteen percent. Once rolled, a 4-inch loose layer becomes about 3.5 inches. The calculator starts with its allowance on because depths in specifications are compacted depths.
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Crusher run is sold by the ton and delivered free.

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