basic

Mulch Bag Calculator

Number of 2-cubic-foot bags for a target depth.

Compute the number of 2-cubic-foot bags of mulch you need to cover a garden bed at a target depth, given the bed's length, width, and depth.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

ft
ft
in

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Cubic feet = length × width × (depth_in / 12). Bags = ceil(cubic feet / bag_size).

In depth

Compute the number of 2-cubic-foot bags of mulch you need to cover a garden bed at a target depth, given the bed's length, width, and depth.