Mulch & Soil Calculator

Calculate how much mulch, soil, or gravel you need for your garden or landscaping project.

Area Length (ft)

Area Width (ft)

Depth (inches)

Material Type

Cubic Yards

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Cubic Feet

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Bags (2 cu ft)

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Coverage at Different Depths

1" depth

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2" depth

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3" depth

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How It Works

Volume is calculated as Length x Width x Depth. 1 cubic yard = 27 cubic feet. Most mulch and soil is sold in 2 cubic foot bags. Coverage at different depths shows how many cubic yards cover 100 sq ft.

About this Calculator

The Mulch & Soil Calculator is a free, easy-to-use tool for garden, soil, gravel. Simply enter your values and get instant, accurate results — no signup, no ads, no tracking. All calculations run locally in your browser, so your data stays completely private.

Privacy Note: All calculations are performed locally in your browser. No data is ever sent to a server or third party.