Crushed Stone Calculator
Cubic yards of decorative or drainage stone for a path, bed or driveway — with cost.
Crushed stone calculator
Not sure of the area? Use the square footage calculator →
You need
2.78 yd³
or 38 0.5 ft³ bags
Estimated cost $97 – $222
Ordering crushed stone
Decorative stone, pea gravel and crushed rock are all sold by the cubic yard. Measure the area, set a depth, and the calculator does the volume. For an odd shape, start with the square footage calculator.
Prices updated January 2026 National US averages · reviewed quarterly
Volumes use standard bag yields and a 10% waste allowance; costs are national US averages that vary by region, mix and finish. See our methodology for exactly how each figure is worked out, or check the reference sources:
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Frequently asked questions
How much crushed stone do I need?
Multiply the area by the depth and divide by 27 for cubic yards. A 300 sq ft path at 2" needs about 1.85 cubic yards.
How deep should a stone layer be?
2" for decorative ground cover, 3–4" for a walkable path or drainage bed, and 4"+ for a driving surface over a compacted base.
How much does crushed stone cost?
Crushed and decorative stone (including pea gravel) runs about $35–$80 per cubic yard delivered in 2026.