River Rock Calculator

Calculate the amount of river rock needed for landscaping, pathways, and decorative ground cover.

Area length in feet
Area width in feet
Desired rock depth
Cost per ton of river rock
Add for settling and spillage
Rock Size Reference
Small1.3 tons/cy
Medium1.4 tons/cy
Large1.5 tons/cy
Boulder1.6 tons/cy
🪨 River Rock Formulas:
Volume: (Length × Width × Depth) / 12  •  Cubic Yards: Volume / 27  •  Tons: Cubic Yards × Density  •  Cost: Tons × Price/Ton
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River Rock Requirements
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Step-by-Step Calculation

Detailed material analysis

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Total Tons
tons
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Cubic Yards
cy
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Area
sq ft
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Estimated Cost
$
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Formula Reference

River rock formulas

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River Rock Tips

Landscaping with river rock

🪨 Material Disclaimer: River rock calculations are estimates. Actual quantities may vary by supplier and rock density. Results are for educational purposes.
River Rock Calculator  •  Tons = (L×W×D/12) / 27 × Density  •  For educational purposes