format book for KDP The first time I formatted a manuscript for Amazon KDP, I assumed “format” meant fonts and margins. It doesn’t — not really. Formatting for KDP is about making sure your file behaves correctly across Kindle devices, tablets, and print, which is a very different problem than making a document look good in Word. Here’s what actually matters, based on going through this process for both fiction and non-fiction titles.
Start With the Right File Type for Your Format
KDP treats eBooks and print books as completely different formatting jobs.
- eBook (Kindle): Works best from a clean, simple Word document or an EPUB file. Avoid complex layouts — Kindle reflows text based on the reader’s device and font size, so anything too rigid (multi-column layouts, precise page breaks) breaks on some devices.
- Print (paperback/hardcover): Needs a PDF formatted to your exact trim size, with proper margins, bleed (if you have full-page images), and a fixed layout, since print pages don’t reflow. format book for KDP
Trying to use the same file for both without adjustment is the single most common mistake new authors make. format book for KDP
Get Your Margins and Trim Size Right Before You Format Anything Else
KDP’s print specifications are exact, and getting them wrong means your manuscript will be rejected at upload or, worse, print with awkward margins that clip your text or gutter (the inner margin near the spine) too tight to read comfortably.
Before you touch fonts or headers, decide your trim size (6″x9″ is a common default for non-fiction) and set your document margins to KDP’s requirements for that size, with extra inner margin for the spine — this varies by page count, so check the current spec for your specific book length before finalizing. format book for KDP
Fonts: Boring Is Correct
For the interior of the book, resist the urge to get creative with fonts. Readers should not notice the font — they should notice the content. Standard, readable serif fonts for print body text, and simple, widely supported fonts for eBooks, are the safe, professional choice. Reserve any distinctive font choices for your cover and title page only. format book for KDP
Front Matter: Keep It Lean
New authors often overload the front matter — copyright page, dedication, table of contents, foreword — before the reader gets to the actual content. On Kindle, Amazon uses your book’s first few pages to generate the “Look Inside” preview, so a bloated front matter can push your actual opening content out of view, which hurts conversions.
Keep front matter to what’s necessary: title page, copyright page, and (for non-fiction) a table of contents. Everything else can go at the back.
Cover Specs Matter As Much As Interior Formatting
A cover that looks right on your monitor can look wrong once it’s on a physical spine or a small Kindle thumbnail. Two practical checks before finalizing:
- Check your cover at thumbnail size. If the title isn’t readable when shrunk down to how it’ll appear in Kindle search results, it needs a redesign — most sales happen from someone scrolling past a small thumbnail, not viewing a full-size cover.
- Get your spine width right for print. Spine width depends on page count and paper type, and KDP’s cover calculator will give you the exact number — guessing here is how covers end up misaligned on the physical book. format book for KDP
Test Before You Publish, Not After
KDP gives you a free previewer before you publish. Use it on multiple simulated devices, not just one. Formatting that looks fine on a tablet-sized preview can break on a phone-sized Kindle screen, especially with tables, images, or unusual spacing.
For print, order a physical proof copy before making your book available for sale. Screen previews cannot show you how margins, paper color, or ink density will actually look on paper. format book for KDP
FAQs
Q: Should I format my own book or hire someone? If your book has straightforward text (a novel, a guide without complex tables/images), self-formatting with a template is realistic. Heavily illustrated books or complex non-fiction with tables often benefit from paying a formatter, since small errors are harder to catch without experience.
Q: What file format does KDP actually want for eBooks? KDP accepts Word documents (.docx) and EPUB files for eBooks, converting them internally — a clean, simply structured Word file with proper heading styles is usually the easiest starting point.
Q: How do I know what margins to use for print? Margins depend on your trim size and page count, since more pages need a wider inner (gutter) margin for the spine — always check KDP’s current specification page for your exact trim size and page count rather than guessing or reusing an old project’s numbers. format book for KDP
Q: Why does my cover look fine on my computer but wrong when I upload it? This is almost always a thumbnail-readability or spine-width issue — check your cover at small thumbnail size and confirm your spine width using KDP’s cover calculator, since manual guesses are the most common cause of misaligned covers.
Q: Do I need a table of contents for a novel? Not typically — a full table of contents is more useful for non-fiction. For fiction, a simple chapter list (or no formal ToC at all) keeps front matter lean and gets readers to the story faster.
Q: Can I use the same formatted file for both eBook and print? No — eBooks need reflowable text that adapts to different screen sizes, while print needs a fixed-layout PDF at your exact trim size. Trying to reuse one file for both usually causes formatting problems in at least one format. format book for KDP