Construction

Pea Gravel Calculator

Estimate pea gravel volume and weight.

Length

Width

Depth

Density (lb/ft³)

Calculated Output

Volume 0.0031

Weight 0.004

Formula: yd³ = L × W × depth/12 ÷ 27 ; tons = volume × density ÷ 2000

Step-by-Step Breakdown

1. Values used:

2. Length = 1

3. Width = 1

4. Depth = 1

5. Density = 96 lb/ft³

7. Volume = 0.0031

8. Weight = 0.004

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The math behind it

volume (ft³) = area × depth; yd³ = ft³ ÷ 27; tons = volume × density ÷ 2000. Pea gravel ≈ 96 lb/ft³.

20×10 ft at 3 in → 1.85 yd³ (~2.4 tons).

Difference from gravel?

Pea gravel is smaller smooth stone; density is a bit lower than crushed gravel.