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About this tool
Print layout affects cost, spine design, and whether your novel qualifies for KDP paperback at all. This KDP page count estimator converts your manuscript word count and trim size (5×8 through 8.5×11) into estimated print pages and spine width for white paper — helping you plan KDP paperback specs before formatting in Story Studio or Word.
What you can do
- Page count estimates for common KDP trim sizes from 5×8 to 8.5×11
- Spine width calculation for cover design planning
- Industry-average words per page by trim size
- Front and back matter allowance in the estimate
- Instant recalculation as you change word count or trim
- Pairs with chapter planner and kindle-kdp-formatter workflow
- Private browser calculator — no manuscript data uploaded
Price paperbacks with a realistic page guess
AI drafts often run short. Estimate print pages from word count and trim before you lock paperback pricing, then confirm after final formatting.
Kindle & KDP formatter · Blurb builder · KDP upload checklist
How to use it
- Enter your manuscript word count from Story Studio or your draft export.
- Select your intended KDP trim size — 6×9 is standard for fiction.
- Click Calculate for page count and spine width estimates.
- Compare trim sizes if page count affects print cost or pricing.
- Use KDP's official calculator for final print specs after formatting.
Tips for fiction authors
- KDP prints books from 24 to 828 pages. If your estimate exceeds 800, consider splitting into two volumes or trimming subplots.
- Spine width matters for cover design. A 200-page book has a spine of about 0.45 inches — too thin for most spine text.
- Choose 6×9 for most fiction. It is the industry-standard trade paperback size and looks professional on shelves and in Amazon previews.
- Page count affects print cost and minimum list price. Running the estimator before you finalize trim size prevents pricing surprises.
- Pair with the chapter planner to set a target word count that lands in your desired page range before you finish drafting.
Related guides
Common questions
How accurate is the page estimate?
It uses industry-average words per page by trim size plus roughly six front/back matter pages. Your font and margins will change the final count.
What trim size is most common for fiction?
6×9 is the most popular trade paperback size for novels on KDP.
Does spine width account for paper type?
The estimate uses white paper thickness. Cream paper has a slightly different spine calculation on KDP.
Can I estimate before my draft is finished?
Yes. Enter your target word count from the chapter planner to preview page count while you are still drafting.
Is my word count uploaded?
No. The estimator runs entirely in your browser on Entangled Text.
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