Topsoil Calculator
Calculate the topsoil needed for lawns and garden beds.
Enter your values to see the result.
Estimates only. Measure carefully and check quantities with your supplier before ordering.
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Processing varies by tool. Check the instructions for local processing, server requests, external services and any file or request limits before entering sensitive information.
Read the privacy policyHow this calculation works
Understand the method, inputs and limits behind your result.
- Formula
- Required volume = length × width × depth × (1 + waste/100). Estimated tonnes use the stored soil density; moisture and compaction change actual mass.
- Variables
- Units: Feet & inches, Meters & cm
- Length (ft / m)
- Width (ft / m)
- Depth (in / cm)
- Extra for waste
- Price per cubic yard / m³ (optional)
- Units
- Extra for waste: %
- Use the same selected currency for all monetary inputs. Changing the symbol does not convert exchange rates.
- Example
- A 20 × 10 ft raised bed filled 4 in deep needs about 2.5 cubic yards of topsoil.
- Assumptions
- Estimates only. Measure carefully and check quantities with your supplier before ordering.
- Source
- ToolzHive calculation guide and calculator implementation. External reference verification is pending.
- Last reviewed
- Review date not yet recorded.
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Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the Topsoil Calculator
Calculate the topsoil needed for lawns and garden beds.
- 1 Enter the length, width and depth.
- 2 Add waste and an optional price.
- 3 Read the volume, weight and bags.
Example and practical tips
A 20 × 10 ft raised bed filled 4 in deep needs about 2.5 cubic yards of topsoil.
Frequently asked questions
How much topsoil for a new lawn?
4–6 in gives grass roots a good start.
Does soil settle?
Yes, by 10–20%, so order a little extra for raised beds.
Practical guides
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How to Use Topsoil Calculator
Calculate the topsoil needed to level a lawn or fill raised beds in cubic yards, cubic meters, tons and bags from the area and depth, with cost.
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