About Potting Ledger

A balcony gardener’s notebook for the space roots actually occupy. Measure window boxes, allow for tapered pots and work out how much fresh mix a transplant needs.

How the guides are made

Each guide starts with a practical question. It shows the inputs, walks through an example and links to references so you can check the method for your own project. The numbers in the examples are illustrative.

The publisher used AI assistance to draft these guides and create worked examples. The calculator runs in your browser. Its results depend on the measurements you enter.

References for this notebook

Iowa State University Extension · Estimating container and bed volume
University of Maryland Extension · Growing vegetables in containers
University of Georgia mathematics education · Deriving the volume of a conical frustum
University of Maryland Extension · Potting and repotting indoor plants

Contact and corrections

Email the publisher with the guide title, the measurement or passage in question, and any supporting reference. You can also use this address for privacy inquiries.