Site information

Read the method and limitations behind this gravel estimate.

Using this calculator

This is a free volume and weight estimator, not a retailer or an ordering service.

The FAQ explains the formulas, unit conversions and supplier references. The About page describes the tool's scope.

Product density and compacted coverage vary. Confirm quantities with your chosen supplier. For a structural base or driveway design, consult an appropriately qualified professional.

No account is required. Read the privacy notice for how calculator entries and website usage information are handled.