Chart pack
Every reference table on this site in one document, each one starting on a fresh sheet of paper. Computed from the same maths the calculators run on, so the pack on your wall and the tool on your phone can never disagree.
Chart pack — $2.99
Every reference chart as one printable document, each table on its own sheet, with a contents page and a one-page wall sheet of the short tables.
What you are paying for
Every one of these tables is free on its own page, and always will be. The pack is the whole set as one document: 34 charts, each starting on a fresh sheet, printed in one go instead of 34.
It also has two sheets no free page prints: a numbered contents page for the front of a binder, and a wall sheet with 4 short tables (inch fraction to decimal chart, pilot hole size chart, lumber size chart: actual thickness and width, pocket hole screw chart) set small enough to fit on one sheet and pin above the bench.
Buying it also pays for the site, which is the honest other half of the answer. There is no account — checkout happens on the shop's own page and sends you a key, and the key is what this browser keeps.