Book Page Count Estimator
Estimate printed page count from word count, trim size, type and margins, or work backward from a page target to words.
Page and type
1.2 to 1.4 is typical
Spine side
Chapters and extra pages
Title, copyright, contents
About the author, ads
Fine-tune the model (defaults are approximations for English prose)
Share of the font size
Including space
Ragged-edge loss
Fiction often 60 to 120
The maths
(6 - 0.875 - 0.625) in x 72324 pt(9 - 0.75 - 0.75) in x 72540 ptfloor(324 / (0.43 x 11))6868 x line fill 0.9363.263.2 / 5.910.7floor(540 / (11 x 1.3))375.9 / 63.2 + (0.5) / 90 words per paragraph0.098937 / 0.098937480,000 words / 374213.725 x 1.2 pages (start on a right-hand page)30.4 pages8 + 210 pages213.7 + 30.4 + 10254.1round up 254.1 to the next even number256Range: the low and high cases change character width and characters per word by 5 percent either way and move each chapter opening by a quarter of a page. Body 193 to 234 pages, chapter openings 24 to 37 pages.
Why the real count will differ
- Front matter varies by book. Half title, title page, copyright, dedication and contents can run from 4 to 12 pages, and the number above uses what you entered.
- Chapter starts cost pages. A chapter that starts on a right-hand page leaves an average of half a blank page behind it, and the last page of each chapter is only partly full.
- Headings, scene breaks, block quotes, tables and images all take more space than plain paragraphs. Short paragraphs and dialogue take more lines than long ones.
- Hyphenation, widow and orphan control and justified text change how words fall on lines. The character widths here are averages, not measured from a font file.
About Book Page Count Estimator
Estimates how many printed pages a manuscript will run, from its word count, trim size, font size, line spacing and margins, and works backward from a target page count to the number of words. Every step of the arithmetic is shown, with a low and a high case.
Enter a word count or paste your text, pick a trim size and set the type. Chapter count and front matter matter more than people expect, so fill those in too. Switch to "Pages to words" to see how many words fit a page target.
Treat the result as a planning number. Headings, images, scene breaks and the typesetting program's own line breaking move the real count, so open the file in your layout software for the final number.
- How is the page count worked out?
- The text width and height come from the trim size minus the margins. Characters per line come from the font size and an average character width, and lines per page from the font size times the line spacing. Lines per word then gives the body pages, and chapter openings, front matter and back matter are added. Each step is shown under The maths.
- Why is there a range instead of one number?
- Character width and characters per word are averages, and chapter openings land differently on each page. The low and high cases move character width and characters per word by 5 percent and each chapter opening by a quarter of a page. The real count can still fall outside the range if the layout has many headings or images.
- Why is the printed total always an even number?
- Pages print on both sides of a sheet, so a book has an even number of pages. The estimate rounds up to the next even number. Your printer may round differently, for example to a multiple of 4 or 8 for some binding methods.
- Can I work out how many words I need for a target page count?
- Yes. Choose Pages to words and enter the target. The tool subtracts front matter, back matter and chapter openings, then converts the body pages into words, with a range. If the target is smaller than the fixed pages alone, it says so.
- Is my manuscript uploaded when I paste it?
- No. Words and paragraphs are counted in your browser, and the text is not sent anywhere or saved.
How to use Book Page Count Estimator
Enter a word count or paste your manuscript, choose a trim size from the list or type your own, and set the font size, line spacing and margins. Fill in the number of chapters, where chapters start and the front and back matter pages. The page estimate, a likely range and every step of the arithmetic update as you type. Switch to Pages to words to see how many words fill a target page count.
When to use it
Use it when planning a print book: to see whether a draft will land near a page target, to compare trim sizes or font sizes before formatting, or to decide how many words to write for a given length. It also helps when asking a printer or designer for a rough quote before the layout file exists.
When not to use it
Do not use it for the final page count of a file you are submitting for printing. Open the real layout in your typesetting program for that number. It is also a poor fit for books that are mostly images, tables, poetry or workbooks, where line and paragraph assumptions do not hold.
Tips for best results
Compare your pasted text's real paragraph length with the default of 90 words, because dialogue-heavy chapters run longer than the estimate. Chapters that start on right-hand pages cost about a page each once the half-empty page before them is counted. Try the low and high figures when deciding whether a page-count tier or price band is safe.
Limitations
The model uses an average character width for the chosen typeface, an average number of characters per word and a fixed share of each line that gets filled. These are approximations for English prose, shown as editable fields, not measurements of a font file. Headings, scene breaks, block quotes, images, hyphenation and widow and orphan control change the real count. The printed total is rounded up to an even number.
Privacy
The calculation runs in your browser. Pasted text is counted in the page and is not uploaded, stored or logged, and it disappears when you close or reload the tab.
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