River Rock Calculator
Cubic yards & tons of decorative river rock
Adding decorative river rock to beds, borders or a dry creek? Enter the area and depth to get the cubic yards and tons to order.
How deep should river rock be?
2–3 inches gives full coverage for decorative areas. Larger stones need a bit more depth. The math is area × depth.
Frequently asked questions
How much does a ton of river rock cover?
Roughly 70–100 square feet at 2–3 inches deep, depending on stone size.
Is river rock good for drainage?
Yes — its rounded shape and gaps make it popular for dry creeks and downspout splash areas.