Page count is the one rejection you can predict with total certainty before you upload, because the limits are a published table — but it’s a three-variable table (format, trim, paper), and the cell your book lands in is rarely the one people quote from memory. The famous “828 pages” is only the friendliest cell in it.
What KDP is actually saying
KDP’s submission guidelines state the floor plainly — books must have at least 24 pages — and its trim-size table sets the ceiling per combination. Minimums by format and ink:
| Format / ink | Minimum | Maximum |
|---|---|---|
| Paperback, black ink | 24 pages | By trim & paper — table below |
| Paperback, premium color | 24 pages | By trim & paper — table below |
| Paperback, standard color | 72 pages | 600 pages |
| Hardcover (any ink) | 75 pages | 550 pages |
Paperback maximums from KDP’s trim-size table (Amazon.com):
| Trim size | White | Cream | Groundwood | Standard color | Premium color |
|---|---|---|---|---|---|
| 5×8″ up to 8×10″ (incl. 6×9″) | 828 | 776 | 812 | 600 | 828 |
| 8.25×6″, 8.25×8.25″ | 800 | 750 | 784 | 600 | 800 |
| 8.5×8.5″, 8.5×11″ | 590 | 550 | 578 | 600 | 590 |
| A4 (8.27×11.69″) | 780 | 730 | 764 | — | 590 |
Three patterns in the table catch people out. Cream is thicker than white, so the same book hits its ceiling 52 pages earlier on cream (776 vs 828) — a 780-page manuscript is legal on white and refused on cream. The ceiling drops on the big trims, not the small ones: moving a long workbook to 8.5×11″ cuts its limit from 828 to 590. And standard color has the narrowest window of all — 72 to 600 — with a minimum nearly triple the others, which quietly kills short color books.
Two counting rules sit beside the table. KDP counts the pages in your file, and if the count is odd it is rounded up to an even number — a 301-page file becomes a 302-page book, and a cover built for 301 no longer matches. And blank pages are rationed: no more than 4 consecutive blank pages at the beginning or middle of the file, and no more than 10 at the end.
Check it yourself
- Count the file, not the document. Your PDF’s page count (Acrobat, File > Properties) is the number KDP uses — Word’s page count is an estimate that routinely disagrees by the odd page.
- Find your cell before anything else. Format + trim + paper + ink → one row of the tables above. If you’re within 10 pages of either edge, double-check with the final export, not a draft.
- Make it even. An even final count, deliberately chosen, keeps the spine math and the rounding rule from surprising you.
- Audit your blanks. Count consecutive blank pages at the start, middle, and end against the 4 / 4 / 10 allowances — one-sided coloring-book layouts (design, blank, design) are fine because the blanks never run consecutively.
Page count final? Price it. Your count drives both the spine and the print cost: run it through the royalty calculator for the per-copy math, and if you’d rather have both files measured end-to-end, the free check covers page count, spine, and 11 more checks within 48 hours.
How to fix it
Under the minimum
Add real pages, not filler: front matter (title, copyright, also-by, a note to the reader), back matter (about the author, a preview chapter, review page), or a genuine appendix. A 20-page mini-book needs 4 honest pages; a 32-page picture book already clears the paperback floor — but note it can never be a KDP hardcover (75-page floor), which is the most common version of this rejection we see.
Over the maximum
Your options, in order of pain: tighten the layout (type size, leading, margins within spec) to pull pages back under the ceiling; switch paper (cream → white buys 52 pages at most trims); switch trim (8.5×11″ → 6×9″ raises the ceiling from 590 to 828, at the cost of a full re-layout); or split the book into two volumes — which, done deliberately with “Volume 1 / Volume 2” in the title, metadata, and cover, is a legitimate structure, not a workaround.
Standard color trap
A short color book (24–71 pages) must use premium color or black ink — standard color’s 72-page floor is absolute. Conversely a 601+ page color book can’t use standard color at all.
The honest limit
The table is the spec as published for Amazon.com; other marketplaces share nearly all of it, but if you publish simultaneously in several, check the strictest cell. And a legal page count is not a wise one: print cost rises with every page (our calculator shows the per-copy effect), and a 24-page book padded to legality with blank-page tricks collides with the blank-page allowances and, worse, with readers. Stay inside the range with content, and the count will never be your rejection again.
Or send us the files — the check is free
Email your interior and cover PDFs and we'll tell you exactly what's wrong — in plain English, free, within 48 hours. If it does need fixing, the by-hand fix is $19 and we redo it free if KDP rejects it for a formatting issue we were hired to fix. We rebuild files to be compliant with KDP's published spec — that's the promise we can keep.
Prefer the whole library in one file? The KDP Rejection Field Guide (free PDF) collects every guide, table, and the 13-point checklist.
More from the Help Library
- The KDP & IngramSpark Help Library — all guides & tools
- Spine width calculator — page count to spine, KDP and Ingram
- KDP royalty calculator — what your page count costs per copy
- Hardcover vs paperback — specs, page limits, and the real print-cost gap
- KDP trim sizes compared — every trim on one table
- Low-content book specs — journals & planners that pass first time
- The free rejection check — all 13 checks at once