Biology

Soil Calculator

Estimate topsoil volume for an area.

Length

Width

Depth

Calculated Output

Soil volume 3.704

Volume 100

Formula: yd³ = length × width × depth/12 ÷ 27

Step-by-Step Breakdown

1. Values used:

2. Length = 20

3. Width = 10

4. Depth = 6

6. Soil volume = 3.704

7. Volume = 100

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The math behind it

Volume (ft³) = area × depth; cubic yards = ÷ 27.

20×10 ft at 6 in → 100 ft³ = 3.7 yd³.

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Bulk topsoil is sold by the cubic yard.