9 Services from publishing-calc.x402tookit.com

Calculates full paperback cover width and height (with bleed) from trim size and page count, returning dimensions in inches, mm, and pixels.

Splits a total word count evenly across N chapters, returning exact per-chapter word counts, page counts, and reading times.

Calculates print book royalty per copy from list price, printing cost, and royalty rate, plus break-even list price and optional total royalty for a given number of copies.

Calculates print book spine width in both inches and millimeters from page count and paper type (white, cream, or color), or from a custom per-page thickness override.

Estimates ebook file size in KB and MB from word count, image count, average image size, and adjustable compression/overhead parameters.

Calculates estimated audiobook running time (in hours and clock format) from a manuscript word count using a configurable narration pace.

Returns a table of standard US trade book trim sizes in inches and mm, or looks up a specific size and its nearest standard equivalent.

Calculates the number of printed pages from a manuscript word count, including text pages, even-page-rounded total, and physical sheet count.

Calculates the silent reading time for a given word count at a specified words-per-minute rate, returning results as minutes and as hours:minutes:seconds.