Density table
River rock density table
Planning density 1.25 tons per cubic yard (2500 lb). Range 1.15–1.45 t/yd³. Larger cobble packs with more voids, so a yard covers less area.
| Field | Value |
|---|---|
| Loose tons / yd³ | 1.25 |
| Pounds / yd³ | 2500 |
| Typical cover | 3 in |
| Citation | Supplier bulk tables for 1–3 inch washed river rock |
Calculate a load on the River rock calculator.
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