Project Calculators

Gravel & aggregate planning tool

Gravel calculator

Estimate in-place volume, loose material, tons, bags, and cost. Density and supplier measurements vary, so confirm before ordering.

Project geometry
Material assumptions

Preset densities are editable planning assumptions. Moisture, gradation, source, and supplier conversion factors vary.

Purchase pricing

Estimate

In-place volume
Loose volume
Estimated weight
Purchase quantity
Estimated material cost

Calculation basis

Planning estimate only. Confirm product density, bag yield, delivery minimums, and order quantities with your supplier. This is not engineering or drainage advice.