Start with the task: quantity, optional weight, material comparison or driveway selection. Equiptova keeps the math and the material decision separate because the same volume can weigh differently depending on gradation, moisture and compaction.
Choose the next useful step
- Gravel Calculator for area × depth volume.
- River Rock Calculator for the same transparent geometry with no hidden density.
- Best Gravel for a Driveway for selection factors and maintenance tradeoffs.
- Gravel Weight per Yard for density-dependent conversion and variability notes.
Gravel and stone task map
Separate base, drainage and decorative material decisions before estimating quantity.
Gravel, stone & aggregate: separate identity, quantity and weight
Three different questions often get mixed together: what the material is, how much volume is needed, and what that volume may weigh.
| Question | Page type | Primary evidence |
|---|---|---|
| What material fits the job? | Guide | Project role + local/product specification |
| How much volume? | Calculator | Measured geometry + depth |
| How much weight? | Reference | Material-specific bulk density |
| How do categories differ? | Comparison guide | Source/processing + project specification |
How to use this page
This hub is intentionally curated rather than exhaustive. It links only to public pages that have a distinct task and enough supporting content to be useful on their own. Pages still waiting on expert, local, product or data gates are not surfaced as public destinations.
Start with the question you actually need to answer—quantity, comparison, method or reference—rather than browsing near-duplicate pages for the same intent.
Sources
Sources support the scoped statements on this page; they do not imply local approval or product suitability.
Public corpus v1 · Method and scope reviewed for launch on 2026-08-13.
Gravel, stone & aggregate: connect material choice, volume and weight
This cluster is the working center for gravel and stone decisions. It connects the general quantity calculator, specialist river-rock calculator, driveway material guidance and weight reference so each page answers a different part of the job.
1. Decide what material must do
Before calculating quantity, decide whether the layer is for load distribution, a compacted driving surface, drainage, decorative cover or another use. Particle shape, gradation, fines and drainage behavior can matter more than the product nickname.
2. Calculate volume from measured geometry
Area and installed depth determine the geometric volume. Calculate separate layers separately when material or depth changes. Keep compaction or contingency as a visible project allowance rather than hiding it in the formula.
3. Convert to weight only when needed
If the supplier sells by tons, use a material-appropriate bulk density or supplier conversion. A cubic yard is volume; it does not have one universal gravel weight.
Verify before you use the result
- Name the material/product before using density.
- Keep volume and weight conversions separate.
- Do not let a generic keyword override a specialist page’s distinct task.
Questions that come up before the next step
What is the difference between the gravel and river-rock calculators?
The gravel calculator is the broader aggregate-volume tool. The river-rock calculator owns river-rock-specific quantity and optional density-based weight conversion.
Where do driveway material questions belong?
Use the driveway guide and crushed-stone-vs-gravel comparison rather than turning a quantity calculator into a material-selection page.
When should I use a specialist aggregate calculator?
Use a specialist tool when the material has meaningfully different coverage, density or project behavior. Otherwise, use the general gravel calculator and keep the material assumptions visible.
Primary and official references
Sources support the method and scope boundaries; project-specific requirements still need applicable product, supplier or local documentation.
Definitions and construction use of crushed stone, sand and gravel.
Why gradation, particle properties and project specification matter for base and subbase materials.