Free Topsoil Calculator
Calculate Topsoil for Gardens, Lawns & Landscaping
New garden: 6-8″, Lawn: 4-6″
📋 How Much Topsoil Do You Need?
- New Gardens: 6-8″ depth
- New Lawns: 4-6″ depth
- Lawn Topdressing: 1-2″ depth
- Vegetable Beds: 8-12″ depth
❓ Topsoil Calculator FAQ
How much topsoil do I need?
L×W×(D/12)÷27. Cu Yd = (L×W×D/12) ÷ 27. New garden: 6-8″ depth recommended.
How many bags of topsoil per cubic yard?
Approximately 54 bags of 40lb per cubic yard. Each bag = ~0.75 cu ft.
How deep should topsoil be for grass?
New lawns: 4-6″. Overseeding: 1-2″. Gardens: 8-12″.
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