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Civil calculator
PublicGravel / Fill Calculator
Calculate compacted material volumes and estimated tonnes for gravel, fill, and imported material layers.
Calculator inputs
Results
Add your inputs and run the calculator to see results.
How this tool works
Results are instant and based on the values you provide. Validate outputs against drawings, specifications, and project controls before procurement or construction.
Assumptions
- Depth is entered in millimetres.
- Density can vary by material source and moisture.
Practical notes
- Confirm supplier conversion factors before placing final orders.