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Crushed Stone Calculator

Size the crushed stone for any job from real geometry — area and depth, stone grade and compaction — with cubic yards, weight in tons, bag counts, U.S. pricing, and a downloadable PDF.

Crushed stone weight swings with grade and fines — dense-grade base rock is heavier. Prices use 2024-2025 U.S. figures. For planning purposes only.

Area & Stone
1 Coverage Area
ft
×
ft
in
x
sq ft
Length × width × areas. Edit to enter a known or irregular area.
10%
Crushed stone settles when tamped — order extra so the finished depth holds
2 Stone Grade
lb / cu ft
Most crushed stone is about 100-135 lb per cubic foot (~1.4-1.8 tons/yd). Dense-grade packs heaviest.
3 Cost
$
$
Total cost uses bulk (by the ton); the bag cost is shown for comparison on small jobs.
Stone Estimate
Crushed Stone Needed
—
Enter your area to begin
Weight —
Volume —
Bags —
Volume & Weight
Coverage area—
Stone depth—
Bulk density—
Loose volume before compaction—
Compaction add—
Weight—
TOTAL SAND—
Coverage —
Bag Cost —
Total Cost —
Stone By Depth
Cubic yards for your area, by stone depth
Depth Comparison — Your Area
DepthCubic YardsWeight (ton)Bags

For your 400 sq ft area, includes 10% compaction. Deeper layers need much more stone.