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.

Calculators

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.

Vul je gegevens in en kies Berekenen.

Your answer and the practical quantities behind it will appear here.

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Formule en methode

Work out topsoil volume, tonnes and bags for a rectangular area. Bereken wat je nodig hebt, hoeveel je nodig hebt en wat je moet kopen.

Aannames en beperkingen

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

Rekenvoorbeeld