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How Many Words in a Book? Word Count by Genre

Pick a genre or book type to see its typical word-count range, roughly how many printed pages that makes at your trim size, and how long it takes to read. These are industry guidelines — not rules.

Fiction

Non-fiction

Children's & YA

Short forms

Fantasy — typical

90k–120k words

industry guideline, not a rule

Pages at 6" × 9" (US Trade)

≈ 350–460

rough estimate incl. front & back matter

Reading time

6 h 0 min – 8 h 0 min

at 250 words a minute

Epic fantasy often goes longer; debut authors are usually advised to stay near the lower end.

Typical word counts at a glance

The ranges below are the ones agents, editors and genre organisations commonly quote for traditionally published books. They describe what usually sells, not hard limits. Page counts are rough estimates at 6" × 9" and are rounded; your real count depends on fonts, margins and how many chapters you have.

Fiction

TypeTypical wordsPages at 6" × 9"Reading time
Literary fiction70,000–100,000≈ 270–3804 h 40 min – 6 h 40 min
Thriller & suspense70,000–100,000≈ 290–4104 h 40 min – 6 h 40 min
Mystery & crime70,000–90,000≈ 280–3604 h 40 min – 6 h 0 min
Romance50,000–100,000≈ 210–4003 h 20 min – 6 h 40 min
Fantasy90,000–120,000≈ 350–4606 h 0 min – 8 h 0 min
Science fiction80,000–120,000≈ 310–4605 h 20 min – 8 h 0 min
Horror70,000–90,000≈ 280–3604 h 40 min – 6 h 0 min
Historical fiction80,000–110,000≈ 310–4205 h 20 min – 7 h 20 min
Contemporary / women's fiction70,000–100,000≈ 280–3904 h 40 min – 6 h 40 min

Non-fiction

TypeTypical wordsPages at 6" × 9"Reading time
Self-help & personal development40,000–70,000≈ 160–2702 h 40 min – 4 h 40 min
Business & leadership40,000–70,000≈ 160–2702 h 40 min – 4 h 40 min
Memoir60,000–90,000≈ 240–3504 h 0 min – 6 h 0 min
Biography & history80,000–120,000≈ 300–4405 h 20 min – 8 h 0 min
How-to & practical guides30,000–60,000≈ 130–2402 h 0 min – 4 h 0 min
Short guide / lead-magnet ebook10,000–25,000≈ 50–11040 min – 1 h 40 min

Children's & YA

TypeTypical wordsPages at 6" × 9"Reading time
Picture book (ages 3–6)300–800Fixed layoutMinutes
Early reader (ages 5–8)200–3,500Fixed layout1 min – 14 min
Chapter book (ages 7–10)6,000–15,000≈ 40–8024 min – 1 h 0 min
Middle grade (ages 8–12)30,000–55,000≈ 140–2402 h 0 min – 3 h 40 min
Young adult (ages 12–18)60,000–90,000≈ 240–3604 h 0 min – 6 h 0 min

Short forms

TypeTypical wordsPages at 6" × 9"Reading time
Novella17,500–40,000≈ 80–1701 h 10 min – 2 h 40 min
Novelette7,500–17,500≈ 40–8030 min – 1 h 10 min
Short story1,000–7,500≈ 20–404 min – 30 min

Why word count matters

Length is a promise. A reader picking up an epic fantasy expects to live in that world for days; someone buying a business book on a Tuesday wants the idea by Friday. Agents and publishers use word count as a quick signal of whether a manuscript fits the market and how much it will cost to edit, print and ship. A literary novel of 70,000–100,000 words prints to around 270–380 pages at 6" × 9", and every extra page raises the printing cost — which you can see in the KDP royalty calculator.

When it's fine to break the range

  • You're self-publishing. There is no acquisitions meeting to persuade, and Kindle readers happily buy shorter books — especially in series.
  • Series instalments. Book four of a successful series can be longer or shorter than a debut could.
  • The sub-genre runs differently. Cosy mysteries, novellas and romance lines all have their own norms. Check ten recent bestsellers in your exact niche.
  • Non-fiction with lots of visuals. Workbooks, cookbooks and illustrated guides are measured in pages and recipes or exercises, not words.

Common mistakes

  • Padding to hit a number. Readers notice, and reviews say so. A tight 60,000 beats a baggy 90,000.
  • Counting manuscript pages. A double-spaced Word page holds about 250 words; a printed 6" × 9" page about 300. Convert with the page count calculator.
  • Ignoring chapter length. Thrillers move on short chapters; literary fiction allows longer ones. The page estimate here accounts for typical chapter lengths per genre.
  • Treating any table as gospel — including this one. Publishers' own submission guidelines always win.

Have a length in mind but no plan yet? Sketch the chapters with the book outline generator.

Frequently asked questions

How many words is a novel?+

Most adult novels fall somewhere between about 70,000 and 100,000 words. Genre shifts that: fantasy and science fiction run longer, cosy mysteries and category romance shorter. Below roughly 40,000 words a story is usually called a novella.

How many pages is an 80,000-word book?+

Roughly 280–320 pages at 6" × 9", and more at smaller trims like 5" × 8". The exact number depends on font, margins and chapter count — use the page count calculator for your own manuscript.

Is there a minimum word count for Amazon KDP?+

KDP has no word-count minimum, but paperbacks need at least 24 pages, and very short Kindle books risk poor reviews if readers expected more. Say the length in your description if it is short.

What is the best word count for a debut novel?+

Staying inside your genre's typical range matters most for a debut submitted to agents, because a long first novel costs more to edit and print. Self-published authors have more freedom, but readers still expect roughly what the genre usually delivers.

Are these word counts rules?+

No. They are commonly cited industry ranges — useful for knowing what readers, agents and publishers expect, but plenty of successful books sit outside them. Compare with recent bestsellers in your exact sub-genre.

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