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| Material | Pounds Cubic Foot | Pounds Cubic Yard | Tons Cubic Yard | Tonnes Cubic Meter |
|---|---|---|---|---|
| River Sand | 95 | 2571 | 1.29 | 1.53 |
| Pit Sand | 91 | 2455 | 1.23 | 1.46 |
| Gravel | 87 | 2348 | 1.17 | 1.39 |
| Marl (clay and lime) | 71 | 1929 | 0.96 | 1.14 |
| Stiff Clay | 71 | 1929 | 0.96 | 1.14 |
| Caulk lumps | 69 | 1862 | 0.93 | 1.10 |
| Earth mold | 61 | 1636 | 0.82 | 0.97 |
| Limestone aggregate | 90 to 100 | 2430 to 2700 | 1.22 to 1.35 | 1.44 to 1.60 |
| Granite aggregate | 120 to 130 | 3240 to 3510 | 1.62 to 1.76 | 1.92 to 2.08 |
| Concrete stone aggregate | 150 | 4050 | 2.03 | 2.40 |
| Concrete slag aggregate | 139 | 3753 | 1.88 | 2.23 |
| Concrete cinder aggregate | 116 | 3132 | 1.57 | 1.86 |
