River Rock Calculator
Length (ft)
Width (ft)
Rock type and size
River Rock, 1 to 3 in
River Rock, 3/4 to 1 in
River Rock, 3 to 5 in
Pea Gravel (3/8 in)
Mexican Beach Pebbles
Lava Rock
Depth (in)
Landscape fabric underneath
Yes, include fabric
No, already down or not needed
Advanced assumptions (optional)
Waste allowance (0–0.5)
Calculate materials
Depth
2–5 in
Width (and length)
River rock
Landscape fabric
Edging
Soil
Calculator by Build Material Planner