River Rock Calculator

Estimate the volume and weight of river rock needed for landscaping and drainage projects.

Project Dimensions

Length (ft) (ft)

Width (ft) (ft)

Depth (in) (in)

Density (lb/yd³) (lb/yd³)

Material Estimate

Enter dimensions to calculate river rock needs

Overview

River rock consists of smooth, rounded stones of various sizes and colors. It's ideal for landscape beds, dry creek beds, and drainage areas. This calculator helps you determine how much material to order.

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Pro Tips

For weed suppression, use a heavy-duty landscape fabric under the rock.
A depth of 3 inches is usually sufficient for complete ground coverage.
Wash your river rock after installation to reveal its true colors and remove dust.

Fun Facts

"River rock is naturally smoothed by the action of water over long periods."
"A common density for landscaping river rock is about 2,600 lbs per cubic yard."
"Unlike mulch, river rock doesn't decompose, making it a low-maintenance ground cover."

Formula: Volume (yd³) = [Length (ft) × Width (ft) × (Depth (in) / 12)] / 27 Weight (Tons) = [Volume (yd³) × Density (lb/yd³)] / 2,000

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