What is Soil/Mulch Calculator?
The Soil/Mulch Calculator determines how many bags or cubic yards of soil, mulch, or compost you need for your garden beds, raised planters, or landscaping projects. Enter your area dimensions and desired depth to get precise material quantities.
How to use
- Enter the length and width of your area (or radius for circular beds) and the desired fill depth.
- Select the material type (topsoil, mulch, compost, gravel) and your preferred bag size.
- View the total volume needed in cubic feet/yards and the exact number of bags to purchase.
Result
Filling a 4×8 foot raised bed to 12 inches deep — the calculator shows 32 cubic feet needed, which is 16 bags of 2 cu ft topsoil or approximately 1.2 cubic yards for bulk delivery.
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