Use this reference
Density converts cubic yards to weight. Soil, mulch, and stone vary with moisture, grading, and product, so enter the supplier’s actual number in the calculator.
| Material | What to confirm | Supplier lb/cu yd |
|---|---|---|
| Topsoil | Screened blend and moisture | ________ |
| Mulch | Wood type and moisture | ________ |
| Pea gravel | Size and moisture | ________ |
| Crushed base | Gradation and loose/compacted quote | ________ |
US tons = cubic yards × pounds per cubic yard ÷ 2,000. The order quantity may be in loose yards while design depth describes compacted material.
Reference
University of Maryland Extension: Determining the area/size of a practice. Supplier labels and local guidance control the final purchase.