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Topsoil Calculator
Estimate topsoil volume from area and depth.
Topsoil Calculator result
Formula, assumptions & limitations
Inputs used: Area (sq ft); Depth (in); Settling allowance (%); Bag size (cu ft); Price per bag ($); Bulk price per cu yd ($).
Method: Area × depth converts to cubic feet, with a settling allowance before bag and bulk conversions.
Compaction and soil blend change actual yield. Delivery, amendment, grading, and labor are excluded.
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How this tool works
Area × soil depth produces cubic volume, which is converted to cubic yards and increased by the selected overage.
Limits to know
The geometric loose-volume estimate assumes one uniform depth. Settlement, compaction, amendments, grading, moisture, supplier rounding, and delivery minimums can change actual yield.
