Transparency about our formulas, data sources, and limitations.
USDA soil composition guidelines; university extension service planting depth recommendations.
Does not account for soil compaction (add 10-15% for settling). Soil type (topsoil, compost, garden mix) affects volume requirements. Delivery minimums may apply.
June 2026. Methodology is reviewed quarterly and updated when underlying data sources or industry standards change.
This tool provides estimates for informational purposes only. Results are not financial, legal, or professional advice. Always consult qualified professionals and obtain multiple quotes before making decisions based on these estimates.