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Topsoil Calculator
Estimate topsoil or garden soil for a lawn, flower bed or raised bed in cubic yards, tons and 0.75 or 1 cubic-foot bags.
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How to use it
- Enter the area size.
- Use 2-4 in to level a lawn, 6-8 in for new beds, 10-12 in for raised beds.
- Read yards, approximate tons and bag counts.
How it works
Cubic yards = area (ft²) × depth (in) ÷ 324. Dry screened topsoil weighs about 1.1 tons per yard; wet soil is heavier.
FAQ
How much topsoil do I need for a raised bed?
A 4 × 8 ft bed 12 in deep needs 32 ft³ ≈ 1.2 yd³.
Is topsoil the same as garden soil?
Garden or raised-bed mixes usually add compost or other organic matter to topsoil.
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