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Topsoil Calculator

Topsoil Calculator

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Pro Tip

Mix topsoil 50:50 with compost for garden beds — pure topsoil often compacts and drains poorly. Order from local suppliers; topsoil is heavy and expensive to ship. Test pH before planting (most vegetables prefer 6.0–7.0).

Difficulty:Intermediate

Did you know?

It takes 500–1,000 years for 1 inch of topsoil to form naturally through weathering and biological activity. The US loses about 1.7 billion tons of topsoil to erosion annually — one of the most serious but least-discussed environmental issues.

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Reviewed May 2026
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