The free garden toolkit
Mulch calculator
Estimate the volume for the area and depth you choose.
5.33 cubic feet
0.2 cubic yards · 151.02 litres
3 bags at 2 cubic feet each, including your 0% allowance.
Formula: length × width × depth ÷ 12. Bag counts round up after adding your allowance. This assumes a rectangular area. Depth is your input, not a crop recommendation. Keep mulch away from plant stems. Choose material and depth suitable for your crops and climate.
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Keep your plan grounded.
Use the result as a starting point. Crop spacing, fill depth, sowing windows, and care needs depend on the crop and your conditions. University of Maryland Extension’s beginner guidance is a useful companion.
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