Calculate how much gravel, crushed rock, pebbles, or sand you need for driveways, paths, drainage, and landscaping in tonnes and cubic metres.
| Item | Value |
|---|
Crushed rock and gravel are essential materials in Australian construction and landscaping. They are sold by weight (tonne) or volume (m³) depending on the supplier.
| Application | Material | Depth |
|---|---|---|
| Driveway (domestic) | Crushed rock / blue metal | 100mm compacted |
| Garden path | Pea gravel / river pebbles | 50–75mm |
| Drainage (around pipes) | Coarse gravel | Varies |
| Under slab | Crusher dust / compacted gravel | 75–100mm |
| Decorative garden | River pebbles / quartz | 50–75mm |