Calculate topsoil volume, explicit loose allowance, matching stock and exact supplier sale units without assuming density, bag size or product suitability.
A quick decision brief for this specific tool
Measured net placement area, reviewed settled depth, explicit loose-volume allowance, usable compatible matching stock, and exact current supplier sale-unit volume
In-place and order volumes; stock applied; new volume; whole supplier sale units; delivered volume and visible surplus in cubic feet and cubic yards
Convert measured area and reviewed settled depth to volume, apply only the entered loose allowance, subtract compatible stock, then round only new demand to the exact supplier sale-unit volume
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Turn measured net placement area and a responsible plan's settled depth into an auditable topsoil volume order using explicit allowance, compatible stock and the exact current supplier sale unit.
See the measured in-place volume and chosen allowance without an invented weight or bag size.
Measure net placement shapes, obtain the site-specific settled depth, and enter only the loose-volume allowance justified for the material and plan.
Sees base and order volumes separately with no hidden density, package or installation prescription.
Use compatible on-hand volume before rounding new demand to a real purchasable unit.
Verify material compatibility, enter usable stock volume, and copy the supplier's current net bag, tote or bulk-increment volume.
Gets new volume, whole sale units, delivered volume and visible surplus without a universal package.
Prevent a volume result from being treated as soil, grading or planting approval.
Review soil characterization, testing, contamination, drainage, grading, settlement, final elevations and planting requirements through responsible sources.
The result explicitly excludes suitability, design, installation, commercial terms and Project completion.
Outputs and checklists are planning aids. Review the linked current authorities and the records, terms, instructions, and requirements that apply to your exact situation before a consequential decision.
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Measure the actual placement shapes and remove measured exclusions. The depth is the firmed or settled target selected for this exact site by the responsible landscape, soil or grading plan; the calculator does not prescribe it.
Base ft³ = net area (ft²) × reviewed settled depth (in) ÷ 12; base yd³ = base ft³ ÷ 27Enter only the settlement, handling and field allowance justified for the exact material, supplier and plan. Zero means no added allowance; no density, moisture or weight conversion is inferred.
Order ft³ = base ft³ × (1 + entered allowance ÷ 100)Count only verified compatible stock. Copy the current net volume of one bag, tote or bulk increment; 27 cubic feet equals one cubic yard. Whole-unit rounding applies only to new demand, and surplus stays visible.
Sale units = ceil(max(0, order ft³ − compatible stock ft³) ÷ exact sale-unit ft³)Updated: August 2026
400 ft² at a reviewed 6 in settled depth is 200 ft³ (7.41 yd³). A user-entered 10% allowance makes 220 ft³ (8.15 yd³); with no stock and a current 27-ft³ sale unit, nine units deliver 243 ft³ and leave 23 ft³.
Use the selected package's current net volume as the sale unit. The calculator rounds the remaining order volume to whole packages without assuming that every bag contains the same amount or that bags are the economical choice.
When verified usable matching stock meets the order volume, new demand and supplier sale units are zero. Excess entered stock is not counted as project surplus because it was already on hand.
Keep the calculation in volume and enter the exact current supplier sale-unit volume; verify weight or payload separately when required.
Obtain site-specific soil characterization, testing, grading, drainage, settlement and planting review before relying on the procurement quantity.
Convert measured net placement area and a reviewed settled depth into auditable in-place and order volumes. Apply only your explicit loose-volume allowance, reconcile verified compatible stock, and round new demand to the exact current supplier sale unit. This is volume arithmetic, not soil, grading or planting approval.