The Soil for a Box Planter calculator computes the soil volume of a rectangular box shaped planter.
INSTRUCTIONS: Choose units and enter the following:
Volume (V): The calculator returns the volume of the box planter in cubic feet. However, this can be automatically converted to other volume units (e.g. liter or cubic yards) via the pull-down menu. The calculator also returns the equivalent volume in number of standard size bags as follows:
The soil for a box planter calculates the volume of a rectangular or box shaped planter. Enter the measurements of the planter: (l) length, (w) width and (d) depth of the interior of the box (see diagram), then this formula will provide the volume of the container. This answers the following questions:
If you do not intend to fill the container to the top, this formula will over estimate unless you use a depth (d) that matches your expected top surface inside the container. Unless it's a very large container, and/or you are only using a small portion of the container, the overage should be small.
The Garden Soil Price Survey information is as follows:
The Pricing Data can be used the thecalculator.
Or just use the single calculator with all of the shapes available in one place at. This includes some useful industry data like potting soil pricing from national advertisers.