Mulch & Soil Calculator

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Calculate how much mulch, topsoil or compost you need for any bed — get the volume in cubic yards and cubic metres, bags required, approximate weight and cost.

m
m
cm
$ yd³
Volume needed – cubic yards
Volume (metric) –
Bags needed –
Approx. weight –
Bags assume a standard 2 cubic-foot bag. Weight uses typical bulk densities (mulch ~400, compost ~600, topsoil ~1300 kg/m³) and varies with moisture. Bag counts are rounded up.
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