DIY & materials
Topsoil volume and bags Calculator
Estimate topsoil needed for a target area and settled depth. This free topsoil volume and bags calculator shows the calculation and its assumptions so you can compare your own figures.
Your results
Estimate topsoil needed for a target area and settled depth.
Calculated outcomes
- Installed Volume M3
- 10 m³
- Tonnes
- 13.8 t
- Material Cost
- €517.50
Assumptions and estimates
- Method: Installed volume = area × depth. Apply a settling allowance, then convert to weight and rounded bag count.
- Volume, settling and density are estimates and vary with product moisture and composition. Bulk price excludes delivery unless included in your rate.
Useful next steps
- Use Compare options to test an alternative side by side.
- Copy, print or download a record of this calculation when you need one.
Reports open your email app addressed to s@s1.ie with the public page address only. Your inputs are never added.
How the topsoil volume and bags calculation works
Installed volume = area × depth. Apply a settling allowance, then convert to weight and rounded bag count.
Volume, settling and density are estimates and vary with product moisture and composition. Bulk price excludes delivery unless included in your rate.
Using this calculator
- Enter your own figures in the labelled inputs. Keep the currencies, units and time periods consistent.
- Choose any applicable rate profile, pattern or assumption shown for this tool. Open additional inputs when relevant.
- Review order volume m3 and bags, then read the stated assumptions and eligibility conditions before using the result.
Worked example
This is a static example using illustrative inputs, not facts about you or today’s date. The displayed eligibility selections and assumptions apply only to this example.
See example inputs
- Area (m²)
- 100
- Installed depth (cm)
- 10
- Additional settling allowance (%)
- 15
- Loose density (tonnes/m³)
- 1.2
- Bag volume (litres)
- 40
- Bulk price (€/m³)
- 45
- Order Volume M3
- 11.5 m³
- Bags
- 288