Disclaimer

These calculators are estimating tools for planning and field checks. They are not a substitute for approved plans, specifications, licensed professional engineering, or governing standards. Confirm densities, waste factors, and yields with your supplier and project documents.

Density, waste, shrink/swell, and production factors vary by mix, soil, and crew. Change the defaults when the job documents give different values. A calculator cannot replace a licensed engineer, inspector, or superintendent.