| From: | To: |
For square or rectangular surfaces:
\[ V = (A \times d) \times (1 + c) \]
For circular or elliptical surfaces:
\[ V = (\pi \times \left(\frac{L}{2}\right)^2 \times D) \times (1 + c) \]
Where:
To calculate the weight:
\[ W = V \times \rho \]
Where:
| Rock Type | Density (kg/m³) |
|---|---|
| Standard river rock | 1425 |
| Bank gravel | 1483 |
| Cheshire pink gravel | 1545 |
| Congo River rock | 1314 |
| Cotswold buff | 1670 |
| Cotswold Gold gravel | 2098 |
| Crushed asphalt | 721 |
| Crushed granite | 1320 |
| Crushed stone | 1602 |
| Crystal River rock | 1522 |
| Dolomite gravel | 1865 |
| Granite | 2650 |
| Ivory Coast gravel | 1506 |
| Pea gravel | 1788 |
| Peace River rock | 1490 |
| Quartzite | 2700 |
| Regular gravel | 1346 |
| Sunset gold gravel | 1505 |
| White marble chips | 1430 |