Soil

Soil Volume Calculator

Calculate soil volume for beds, lawns, planters and excavated areas. See equivalent units and every active assumption.

Bulk landscaping material beside a prepared outdoor area

Your measurements

Enter project dimensions.

%
Optional supplier density
kg/m³No preset is assumed.
Optional supplier package size
Use the capacity printed by the supplier.

Your estimate

Calculated quantities for your project.

Enter measurements and calculate to see the result.

Direct answer

Soil Volume Calculator: what the result means

Calculate the volume of a soil-filled space without assuming whether the product is topsoil, subsoil or a blend. Define the material requirement before ordering.

Where this calculation is useful

Use it for planters, lawns, borders and simple landscape earthworks. Separate zones by soil type and intended finished depth.

How to measure this project

For contained planters, use internal dimensions and deduct permanent drainage layers or inserts. Across open ground, split by depth and product specification.

Product and terminology distinctions

General soil, topsoil, subsoil and growing media have different purposes. A volume result does not select among them.

Worked example

Three identical internal planters measure 1.6 m × 0.7 m × 0.45 m. One planter holds 0.504 m³, so three hold 1.512 m³ before deducting any permanent internal components.

The example uses geometry only. It does not insert a density, package size, recommended depth or supplier tolerance.

How to discuss the result with a supplier

Ask for the exact soil grade or blend, sale unit and delivered condition. Use labelled package volume or supplier bulk density rather than a generic soil conversion.

Limitations

The calculator cannot assess soil quality, fertility, drainage, contamination or settlement.

Common mistakes

  • Using outside planter dimensions
  • Failing to deduct permanent fill-displacing components
  • Combining different soil specifications

Practical planning checks

  • Record internal usable dimensions
  • Separate zones and products
  • Confirm freeboard and finished level

Soil Volume Calculator questions

Can I multiply one planter result?

Yes, only when every planter has the same internal dimensions and fill arrangement.

Does this tell me which soil to buy?

No. Product selection needs project and horticultural requirements.

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