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Soil and Compost Blender Calculator
Free soil and compost blender calculator for US homeowners. No signup — runs in your browser.
Soil calculator
Enter bed dimensions and soil type. Results update instantly — cubic yards, bags, and mix ratios.
Results
- Cubic feet
- 30 cu ft
- Cubic yards
- 1.111 cu yd
- Bags needed
- 15 (2 cu ft)
- Topsoil
- 21 cu ft
- Compost
- 9 cu ft
Ad slot (longtail-soil-and-compost-blender-calculator) — set NEXT_PUBLIC_ADSENSE_CLIENT
How we compare
Common gaps on competitor sites — and what ClientTools does differently.
- compostcalc.org: Legacy Python backend tool that runs very slowly
- organicgardening.com: Articles only—no calculator
- extension.edu: Complex academic forms—no beginner-friendly UI
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Frequently asked questions
By volume: 30% compost in raised beds is typical. Compost-only top-dress: 1/4 in over bed area.