Estimate topsoil, fill dirt, or garden soil in cubic yards, bags, and tons from area, depth, and material density.
Garden / bed size
For refreshing gardens, 3–6 inches of new soil is usually enough. Raised beds: measure the full depth of the box.
Soil needed
Bags of soil needed
Bag estimate uses 0.75 cubic feet per bag (common 40 lb bag size).
Material weight
Dry/loose soil is about 1.0–1.3 tons per yard; wet or compacted soil is about 1.5–1.7 tons per yard.
Formula
How it works
Examples
About this calculator
Calculate topsoil volume in cubic yards, bags, and tons for garden beds and lawn projects.
Project-ready estimates
Turn room measurements and material specs into practical topsoil totals before you buy or start work.
Standard formulas
Calculations follow common trade and DIY formulas so your estimate aligns with how pros plan similar jobs.
Plan with confidence
Compare scenarios by adjusting dimensions, waste factors, or coverage inputs to see how requirements change.
- Material takeoffs
- Budget planning
- DIY weekend projects
- Contractor estimates
Frequently asked questions
Quick answers about this calculator—how it works, accuracy, and everyday use.
Enter complete, accurate inputs and use the same units shown in each field. The Topsoil Calculator updates as you type so you can adjust values and compare outcomes quickly.
This tool is built for homeowners, students, contractors, and anyone who needs a fast, clear answer without installing software.
Yes. The Topsoil Calculator on Online Calculator Spot is free, works in your browser, and does not require an account. Results update instantly as you enter values.
Yes. The Topsoil Calculator is mobile-friendly, so you can estimate, convert, or calculate from any device with a modern web browser.