All KDP Paperback Trim Sizes
The complete list of trim sizes Amazon KDP accepts for paperbacks, with exact dimensions and the maximum page count for each paper type. These are the only sizes KDP allows, custom dimensions aren't accepted.
| Trim size | B&W (white) | B&W (cream) | Premium color | |
|---|---|---|---|---|
| 5" x 8" | 828 | 776 | 828 | |
| 5.06" x 7.81" | 828 | 776 | 828 | |
| 5.25" x 8" | 828 | 776 | 828 | |
| 5.5" x 8.5" | 828 | 776 | 828 | |
| 6" x 9" | 828 | 776 | 828 | Most common |
| 6.14" x 9.21" | 828 | 776 | 828 | |
| 6.69" x 9.61" | 828 | 776 | 828 | |
| 7" x 10" | 828 | 776 | 828 | Large trim |
| 7.44" x 9.69" | 828 | 776 | 828 | |
| 7.5" x 9.25" | 828 | 776 | 828 | |
| 8" x 10" | 828 | 776 | 828 | Large trim |
| 8.25" x 6" | 800 | 750 | 800 | |
| 8.25" x 8.25" | 800 | 750 | 800 | |
| 8.27" x 11.69" (A4) | 780 | 730 | 590 | |
| 8.5" x 8.5" | 590 | 550 | 590 | |
| 8.5" x 11" | 590 | 550 | 590 | Large trim |
Common questions
What is the most common KDP trim size?
6" x 9" for novels and general nonfiction. 5" x 8" and 5.5" x 8.5" are also popular for shorter fiction.
Which trim sizes count as large trim?
7x10, 8x10, and 8.5x11, these use higher, large-trim printing costs. Anything up to 6.12 x 9 inches is regular trim.
Can I use any trim size I want?
No. KDP only accepts the sizes above. Your manuscript needs to be formatted to match one exactly, custom dimensions aren't accepted for paperback.
Does trim size affect my maximum page count?
Yes. Larger sizes like 8.5x11 top out around 590 pages, while standard sizes like 6x9 go up to 828, due to paperback binding limits.
Why this matters
Picking a trim size isn't just about page shape, it also affects your printing cost, your maximum page count, and whether you're paying regular or large-trim pricing. Worth deciding early, since your interior formatting and cover both depend on it.
KDP Workspace's free tools calculate your spine width, margins, and royalty automatically once you pick a trim size here.
Try the free tool →