Word Counter for Book Writers
Paste a manuscript and watch the numbers update live: words, characters, reading time, page estimates, reading level, and a count for every chapter. Built for people writing books, not tweets.
How your length compares
Industry-standard word-count ranges for traditionally published books. Use them as a sanity check, not a hard rule — readers care about pacing, not the number. The band that matches your current count is highlighted.
How the word counter works
No upload, no account, no waiting. Everything is calculated in your browser the moment you paste.
Paste your text
Drop in a sentence, a chapter, or a whole manuscript. The text never leaves your device — there's no server round-trip and nothing is saved.
Read the live stats
Words, characters, sentences, reading and speaking time, and paperback and ebook page estimates update on every keystroke. Keep your chapter headings and you also get a per-chapter breakdown, useful when you're weighing how many chapters your book needs.
Check length and readability
See how your count compares to standard ranges for your category, and get a Flesch reading-ease score and grade level so you can judge whether the prose fits your audience.
Who it's for
A counter that understands books, not just blocks of text.
Authors tracking a draft
Watch a manuscript climb toward its target and see which chapters are bloated or thin at a glance with the per-chapter breakdown.
Writers hitting a brief
Ghostwriters, students, and content writers working to an exact word or character limit get a precise live count without exporting to another app.
Self-publishers planning a book
Estimate page count for paperback and ebook before you format, and confirm your length lands in the expected range for your genre and audience.
Frequently asked questions
Most counters give you a single total. This one is built for books: it breaks the count down chapter by chapter (just keep your 'Chapter 1' style headings), estimates paperback and ebook pages, scores readability, and compares your length to industry-standard ranges by category — all live, with no upload.
No. Every calculation runs locally in your browser. Nothing is sent to a server, logged, or stored, so it's safe to paste unpublished manuscripts.
Paperback pages assume roughly 280 words per page (a typical 6x9 trade paperback) and ebook pages roughly 300. Real page counts vary with trim size, font, and spacing, so treat these as planning estimates rather than your final printed total.
It's the Flesch–Kincaid grade level, estimated from average sentence length and syllables per word. Most commercial fiction lands around grades 6–8; denser literary or academic prose scores higher. It's a guide to how demanding your prose is, not a verdict on quality.
Yes. Paste an entire manuscript and it counts everything — there's no length limit. When you're ready to go from word count to finished book, AIWriteBook can draft, edit, and format the whole thing for you.
Related tools & guides
Keep going with more free tools and in-depth guides
Words on One Page
How many words actually fit on a single page.
Words in a 200-Page Book
Turn a target page count into a word count.
How Many Chapters Should a Book Have
Plan a chapter count that fits your length.
How Many Pages Is a Chapter
Typical chapter length in pages.
Book Editing Hub
Guides for polishing and sizing your manuscript.
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