Topsoil Calculator — Calculate Cubic Yards of Topsoil Needed

Free Topsoil Calculator. Enter your garden area and desired depth to calculate cubic yards and bags of topsoil needed for lawns and garden beds.

🌍 Topsoil Calculator

Area Length (ft)

Area Width (ft)

Depth (inches)3 in (light topdress)4 in (lawn)6 in (new lawn)12 in (raised bed)

Cubic Yards

40lb Bags

Est. Bulk Cost

💡 Pro Tip

Mix topsoil with 30% compost before laying sod or seeding for a dramatically better result. Pure topsoil without organic matter compacts easily and drains poorly.

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Frequently Asked Questions

Q: How much topsoil do I need?

Cubic yards = (Length × Width × Depth in inches) ÷ 324. For a lawn, 3–6 inches of topsoil is ideal. For raised beds, 12 inches is recommended.

Q: How much does topsoil cost?

Bulk topsoil costs $10–$50 per cubic yard. Bagged topsoil runs $3–$8 per 40 lb bag. Delivery fees add $50–$150 depending on distance.

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