How it works
Estimate loose gravel volume and mass using a supplier-provided bulk density. Compaction and moisture may change the actual quantity.
V = area × depth; mass = V × density
Worked example
Show example inputs and result
Area: 30 · Depth: 5 · Bulk density: 1,600.
- Volume
- 1.5 m³
- Mass
- 2,400 kg
Questions and answers
Why are some results rounded?
Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.
Are my inputs sent to a server?
The calculator processes inputs in your browser. Its code does not send your values to a server.
Method reviewed: October 8, 2026 · Methods & accuracy