How accurate is this result?

It is a practical planning estimate based on the visible assumptions. Product specifications and real-world conditions can vary.

Can I change the assumptions?

All editable assumptions appear as calculator inputs. Fixed assumptions are listed on the page.

Calculadoras

Topsoil Calculator

Work out topsoil volume, tonnes and bags for a rectangular area.

Answer with the example values

Cubic Metres: 3.2 · Estimated Tonnes: 4.16 · Bags: 128

Formula: Work out topsoil volume, tonnes and bags for a rectangular area. The method uses the entered values in consistent units and rounds only the final purchase quantity.

Assumptions: Bulk density is estimated at 1.3 tonnes per cubic metre and varies with moisture.

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Fórmula e método

Work out topsoil volume, tonnes and bags for a rectangular area. Calcule o que precisa, quanto precisa e o que comprar.

Pressupostos e limitações

Bulk density is estimated at 1.3 tonnes per cubic metre and varies with moisture.

Exemplo prático