River Rock Calculator
Estimate river rock, pea gravel, and cobblestone for landscaping beds, dry creek beds, and decorative ground cover.
River Rock (1.4 t/cu yd) Estimate
Required Volume1.23 cu yd (33.3 cu ft)
Weight1.73 tons (3457 lbs)
With 10% Waste1.90 tons
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Frequently Asked Questions
How much river rock for a 10x10 bed?
A 10x10 ft bed at 3" depth needs about 0.93 cu yd. At 1.4 t/cu yd, that's 1.3 tons.
River rock vs pea gravel?
River rock is 1-3" smooth stones. Pea gravel is 3/8-1/2" smaller stones. Pea gravel packs better for walkways.
How deep should river rock be?
2-3" for decorative beds, 3-4" for dry creek beds, 4-6" for drainage applications.