basic

Soil Bag Calculator

How many bags of garden soil for a raised bed.

Compute the number of bags of garden soil needed to fill a raised bed of a given length × width × depth, with a 5% over-order buffer.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

ft
ft
ft

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 (ft). Bags = ceil(volume × 1.05 / bag_size).

In depth

Compute the number of bags of garden soil needed to fill a raised bed of a given length × width × depth, with a 5% over-order buffer.