Topsoil Calculator

Use our Topsoil Calculator to estimate how much topsoil your project requires before placing an order. Enter your project's length, width, and desired depth to calculate the cubic yards of topsoil needed for lawns, garden beds, grading, planting areas, and other landscaping projects.

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Enter length, width, and depth

Length (ft)

Width (ft)

Depth (in)

Area 1

Current area: 0 sq ft · 0 cy

Handful of dark screened Florida topsoil rich in organic matter

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Topsoil

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How to Calculate Topsoil

Calculating the amount of topsoil you need starts by measuring the length and width of the area in feet, then determining the depth of topsoil required. Most landscaping projects use a depth between 2 and 6 inches, depending on the application. If your depth is measured in inches, convert it to feet before calculating the volume.

The basic formula is:

Length × Width × Depth ÷ 27 = Cubic Yards

Our Topsoil Calculator performs the calculation automatically, making it easy to estimate the amount of topsoil needed before placing your order.

Common Topsoil Coverage Examples

The amount of area one cubic yard of topsoil covers depends on the installation depth.

Topsoil Depth	Approximate Coverage per Cubic Yard
1 inch	324 sq ft
2 inches	162 sq ft
3 inches	108 sq ft
4 inches	81 sq ft
6 inches	54 sq ft

These examples are intended as general guidelines. Actual requirements may vary depending on grading, settling, compaction, and existing soil conditions.

Common Uses for Topsoil

Topsoil is one of the most versatile landscape materials and is commonly used for:

New lawn installation
Garden beds
Flower beds
Tree and shrub planting
Yard leveling
Repairing low spots
Landscape grading
Raised planting areas

Using the proper depth helps promote healthy root growth while minimizing unnecessary material costs.

Tips for Ordering Topsoil

Before ordering topsoil, consider these best practices:

Measure the longest length and width of the project area.
Verify the recommended depth for your application.
Remove large debris before spreading new topsoil.
Allow for some settling after installation.
Order slightly more material if your yard has uneven grades or low areas.
Water and compact lightly after spreading if preparing for sod or seed.

Ordering a little extra topsoil is often less expensive than arranging a second delivery.

Frequently Asked Questions

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