Adjusted cubic feet
97.2
DG path and patio estimate
Decomposed Granite Calculator
Estimate decomposed granite for paths, patios, and compacted landscape surfaces where a finer, more natural-looking aggregate finish is desired.
Bulk aggregate planning
Crushed stone inputs
Volume plus tonnage estimate
Cubic yards
3.6
Cubic meters
2.75
Estimated tons
4.76
Estimated pounds
9,526
Net area
360 sq ft
Crushed stone calculator variations
Switch between crusher run, clean stone, dense grade aggregate, and decomposed granite while keeping the same core stone calculator.
Variation
Crusher Run Calculator
Estimate crusher run volume, cubic yards, and tons for driveways, shed pads, and compacted base work.
Variation
Clean Stone Calculator
Estimate clean stone volume and tons for drainage beds, pipe zones, backfill, and free-draining aggregate coverage.
Variation
Dense Grade Aggregate Calculator
Estimate dense grade aggregate for compacted road base, driveway base, walkway subbase, and general structural fill.
Variation
Decomposed Granite Calculator
Estimate decomposed granite volume and tons for paths, patios, utility surfaces, and compacted landscape areas.
What it is
A decomposed granite calculator estimates how much DG is needed for paths, patios, compacted landscape surfaces, and similar outdoor installations.
This variation is useful when the project calls for a finer, more natural-looking finish than larger angular base stone while still needing a measurable bulk-material order.
The same area-times-depth logic still applies, but the use case, depth expectations, and planning notes are tuned to decomposed granite work.
Why it matters
Decomposed granite projects can look lightweight, but a full path or patio footprint still turns into meaningful bulk material once the surface depth is applied.
It also matters because these surfaces are visible finished areas. A short order is usually noticeable in both coverage and final appearance.
Common for visible finish surfaces
DG is often part of the final look, so coverage consistency matters.
Wide shallow areas still add up
A relatively thin layer can consume real volume over a larger footprint.
Bulk planning still matters
Even fine aggregate can require a meaningful truck order once area is measured.
Surface finish depends on the right quantity
Under-ordering can leave the path or patio looking thin or inconsistent.
How it works
The calculator measures the total footprint and multiplies it by DG depth to find the surface material volume.
It then converts the result into cubic yards and estimated tons using a decomposed-granite density so the output can be used for real ordering.
Measure the path or patio area
Use the actual finished footprint for the DG layer.
Apply installed depth
That converts the footprint into cubic volume.
Use the DG preset
The preset keeps the tonnage aligned with decomposed granite rather than heavier base products.
Review the order quantity
Yards and tons are both shown so the estimate is useful with real suppliers.
Decomposed granite formula
Volume = Surface Area × Installed DG Depth
A modest extra allowance can help cover shaping, compaction, and small inconsistencies at edges or transitions.
Quick reference examples
These are typical decomposed granite projects where the quantity is worth checking carefully.
| Example | Why it matters |
|---|---|
| Garden path | Long runs of a shallow DG surface still add up to a real stone order. |
| Patio-style sitting area | Broader footprints can consume more DG than a bag-count guess suggests. |
| Utility side yard | Wide access strips often need more volume than expected. |
| Trail or transition area | Surface continuity is easier when the order includes a sensible allowance. |
How to use the tool
- 1
Measure the final visible surface
Use the exact path or patio area receiving DG, not just a rough outline.
- 2
Set the intended surface thickness
The finish depth is what turns the footprint into an order quantity.
- 3
Use the proper stone preset
A decomposed granite estimate should not borrow the density of a denser base stone.
- 4
Add a practical buffer
Edge shaping, compaction, and touch-up usually justify a modest extra percentage.
Real-world applications, edge cases, and limitations
Landscape paths
Useful for DG walking surfaces and low-profile outdoor routes.
Patio-style areas
Helpful for small outdoor gathering or utility spaces finished in DG.
Bulk material planning
Useful when converting a landscape concept into a realistic delivery quantity.
Limitations
Stabilized DG systems, binders, and layered hardscape assemblies may need extra field-specific adjustments.
This version is strongest for decomposed granite finish layers rather than deep structural base sections.
It is still a planning estimate. Moisture, stabilization products, compaction method, and supplier gradation can all nudge the actual quantity up or down.
Frequently asked questions
- What is decomposed granite used for?
- Decomposed granite is commonly used for landscape paths, patio-style utility surfaces, and compacted natural-looking outdoor areas.
- Is decomposed granite the same as crushed stone?
- Not exactly. It is still aggregate-based, but it is usually finer and used differently than heavier base-focused crushed stone products.
- Can I use this for a path or patio?
- Yes. It is especially useful for estimating decomposed granite on outdoor walking surfaces and soft hardscape areas.
- Why is the default depth lower here?
- Decomposed granite finishes are often installed at a somewhat shallower surface depth than heavier road-base sections, though your project may differ.
Estimate decomposed granite before you order DG
Use this decomposed granite calculator to estimate cubic yards and tons for paths, patios, and compacted landscape surfaces before the material is delivered.