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.

Calculateurs

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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Formule et méthode

Work out topsoil volume, tonnes and bags for a rectangular area. Calculez ce qu’il vous faut, en quelle quantité et quoi acheter.

Hypothèses et limites

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

Exemple pratique