ToolsMining & QuarryingAggregate Processing

Crusher Run Calculator

Calculate crusher run (Type 1 sub-base) quantities from area and depth. Includes weight, order quantity with waste, and lorry load estimates.

Last updated 28 July 2026

About this tool

Calculate crusher run (Type 1 sub-base) material quantities from area and layer depth. Get volume, weight, order quantity with 10% waste, and 20-tonne lorry load estimates. Assumes standard compacted density of 2,100 kg/m³.

How to use this tool

Enter length, width (m), and layer depth (mm) — typical sub-base 150-225mm, capping 150-350mm.

Technical information

Weight = length × width × (depth/1000) × 2,100 kg/m³

Limitations

Density assumes well-graded, compacted crusher run. Actual density varies with source quarry and grading.

Revision history

28 July 2026: Initial release

Disclaimer

This tool is provided for educational and general information purposes only. It is not a substitute for professional engineering advice, design or verification.

Diggy and its contributors are not licensed engineering consultants and no results generated by this tool should be used directly for construction, design or safety-critical decisions.

All values and outputs are based on published empirical correlations and should be independently checked and confirmed by a qualified geotechnical engineer before use.

By using this tool, you accept full responsibility for how you interpret and apply the information provided.

Spotted an error? Let us know.

Length (m)

Width (m)

Layer depth (mm)

Typical: sub-base 150-225mm, capping 150-350mm

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