Adjusted cubic feet
132
Crushed Stone Calculator
Estimate crushed stone in cubic yards, cubic meters, and tons for driveways, base layers, drainage, and sitework.
Bulk aggregate planning
Crushed stone inputs
Volume plus tonnage estimate
Cubic yards
4.89
Cubic meters
3.74
Estimated tons
6.93
Estimated pounds
13,860
Net area
360 sq ft
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What it is
A crushed stone calculator estimates bulk aggregate quantity in cubic yards, cubic meters, pounds, and tons from project area and depth.
It is useful for base layers, driveways, drainage zones, hardscape prep, and general sitework where bulk aggregate is being ordered by the yard or ton.
Why it matters
Stone is often ordered by yard or by ton, so it helps to see both outputs together before calling a supplier or planning deliveries.
Allowance also matters because subgrade variation, compaction, and uneven depth can change how much aggregate the job really consumes.
How it works
The tool measures the selected area, applies the target depth and extra allowance, then converts the resulting volume into practical bulk-order units.
Quick reference examples
| Scenario | Why it matters |
|---|---|
| Driveway base | A few extra inches of stone across a driveway can quickly change the tonnage. |
| Patio base layer | Compacted base material often needs a planning allowance above the clean geometry. |
| Drainage trench | Narrow but deep sections can still consume more stone than expected. |
| Repeated aggregate pads | Matching pads are easy to total correctly when each section is counted. |
How to use the tool
- 1
Measure the area
Use the shape mode that best matches the section receiving stone.
- 2
Enter the installed depth
Use the target depth of material, not just a rough visual guess.
- 3
Choose the aggregate type
Different stone products can have slightly different bulk density.
- 4
Review cubic yards and tons
Use both outputs when comparing quotes and delivery plans.
Real-world applications, edge cases, and limitations
This calculator is strongest for practical ordering estimates before deliveries, trucking, or pickup. It is not a substitute for field verification of actual compacted depth and site conditions.
If the job includes multiple depths, irregular trenches, or sections with different aggregate products, the cleanest approach is to calculate each section separately and add them together.
Frequently asked questions
- Should I order extra crushed stone?
- Many jobs benefit from a modest allowance because uneven grading and compaction can raise the real quantity needed.
- Why does the calculator show tons and cubic yards?
- Some suppliers sell by the ton while others quote by the yard, so both numbers are useful in practice.
- Does aggregate type change the result?
- Yes. Different products can have different bulk density, which affects the estimated weight and tonnage.
Estimate crushed stone before you order aggregate
Use this crushed stone calculator to estimate cubic yards, cubic meters, and tons before ordering material for base layers, driveways, drainage, and sitework.