Crushed Stone Calculator

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ft
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Calculate how many tons or cubic yards of crushed stone are needed for a project.

Formula

Volume (cu yd) = L × W × D(ft) ÷ 27; Tons = cu yd × 1.4
  • Crushed stone density: ~1.4 tons/cu yd (2,800 lbs/cu yd).
  • For driveways: 4-inch minimum depth; 6 inches for heavy vehicles.

20×10 ft, 4 inch depth

Inputs
  • Length: 20 ft
  • Width: 10 ft
  • Depth: 4 in

200×(4/12) = 66.7 cu ft = 2.47 cu yd × 1.4 = 3.46 tons.

Frequently asked questions

How many tons in a cubic yard of crushed stone?
Approximately 1.4 tons (2,800 lbs) for typical crushed limestone or granite.