
Measure the proposed rectangle
Record length and width in feet and a proposed thickness in inches only if it has been specified for your project. Irregular shapes, slopes, thickened edges and footings need separate assessment. Do not use the result to select a thickness.
Understand the calculation
Rectangular volume in cubic yards is length × width × thickness in inches ÷ 324. The result excludes waste, changes in ground level and other design details. A provider must verify the actual quantities and specification.
Bring the outline to the discussion
Save your dimensions alongside a sketch, access notes and desired finish. Ask the provider to confirm the layout, preparation and approvals. The worksheet stays in your browser and is not submitted to this website.
A decision at a glance
| Part | Consider | Confirm |
|---|---|---|
| Length × width | Square feet | The rectangular footprint |
| Area × thickness ÷ 12 | Cubic feet | Thickness entered in inches |
| Cubic feet ÷ 27 | Cubic yards | Geometric volume, not an order quantity |
Your comparison checklist
Rectangular volume planner
No default thickness is recommended. Excludes waste, footings, slopes and design changes. Do not order materials or choose a structural design from this result.
Prepare a clearer conversation
Use the project planner to record the footprint, the quote comparison guide to check inclusions, and the finish guide to weigh appearance and care.
Explore driveways, patios, stamped concrete and slabs.
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