KDP trim sizes
KDP offers 16 standard paperback trim sizes, from 5 × 8 in to A4, plus custom sizes, and 5 hardcover sizes. 6 × 9 in is the default. Each size has its own page limits for each ink and paper, and sizes wider than 6.12 in or taller than 9 in cost more to print. Best size by genre, as kdpbook sets it by default: novels 5.5 × 8.5 in, non-fiction and journals 6 × 9 in, picture books 8.5 × 8.5 in, coloring books and puzzle books 8.5 × 11 in.
By kdpbook.io editorialUpdated ✓ Checked against KDP Help on
Shown to scale · pick a size
6 × 9 in
15.24 × 22.86 cm · regular trim · portrait
Popular for: Novel, Non-fiction guide, Memoir & family history, Early reader, Guided journal, Planner & logbook.
All 6 × 9 in specs: margins, cover size, printing cost →- Pages · black & white · white paper:
- 24–828
- Page size with bleed:
- 6.125 × 9.25 in
- Bindings:
- Paperback, Hardcover
- Expanded Distribution:
- Eligible by trim and paper
Expanded Distribution is shown by trim and paper only, for paperbacks. KDP’s distributors don’t accept coloring books, journals, notebooks, planners or other low-content books, and may decline some topics, such as puzzle, activity and cookbooks. Which books KDP’s distributors accept · KDP Help: Expanded Distribution (opens in a new tab)
Cite this tool
kdpbook.io, “KDP trim sizes”, https://kdpbook.io/kdp/trim-sizes (checked against KDP Help on ).
Every KDP trim size and its page limits
Page ranges below are for paperbacks, as published by KDP. A dash means KDP doesn’t offer that ink and paper at that trim size. Hardcover sizes accept 75–550 pages on white, cream or premium color paper. Each size links to its own page, with the margins, full-wrap cover size and printing cost worked out for it.
| Trim | cm | Premium | Standard | White | Cream | Groundwood |
|---|---|---|---|---|---|---|
| 5 × 8 in 12.7 × 20.32 cm Regular | 12.7 × 20.32 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 5.06 × 7.81 in 12.85 × 19.84 cm Regular | 12.85 × 19.84 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 5.25 × 8 in 13.34 × 20.32 cm Regular | 13.34 × 20.32 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 5.5 × 8.5 in 13.97 × 21.59 cm Regular · also hardcover | 13.97 × 21.59 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 6 × 9 in 15.24 × 22.86 cm Regular · also hardcover | 15.24 × 22.86 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 6.14 × 9.21 in 15.6 × 23.39 cm Large · also hardcover | 15.6 × 23.39 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 6.69 × 9.61 in 16.99 × 24.41 cm Large | 16.99 × 24.41 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 7 × 10 in 17.78 × 25.4 cm Large · also hardcover | 17.78 × 25.4 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 7.44 × 9.69 in 18.9 × 24.61 cm Large | 18.9 × 24.61 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 7.5 × 9.25 in 19.05 × 23.5 cm Large | 19.05 × 23.5 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 8 × 10 in 20.32 × 25.4 cm Large | 20.32 × 25.4 | 24–828 | 72–600 | 24–828 | 24–776 | 24–812 |
| 8.25 × 6 in (landscape) 20.96 × 15.24 cm Large | 20.96 × 15.24 | 24–800 | 72–600 | 24–800 | 24–750 | 24–784 |
| 8.25 × 8.25 in 20.96 × 20.96 cm Large | 20.96 × 20.96 | 24–800 | 72–600 | 24–800 | 24–750 | 24–784 |
| 8.5 × 8.5 in 21.59 × 21.59 cm Large | 21.59 × 21.59 | 24–590 | 72–590 | 24–590 | 24–550 | 24–578 |
| 8.5 × 11 in 21.59 × 27.94 cm Large | 21.59 × 27.94 | 24–590 | 72–590 | 24–590 | 24–550 | 24–578 |
| 8.27 × 11.69 in (A4) 21 × 29.7 cm Large | 21 × 29.7 | 24–590 | – | 24–780 | 24–730 | 24–764 |
| 8.25 × 11 in 20.96 × 27.94 cm Large · hardcover only | 20.96 × 27.94 | 75–550 | – | 75–550 | 75–550 | – |
How to choose a trim size
- Novels and memoirs: 5 × 8, 5.25 × 8, 5.5 × 8.5 or 6 × 9 in on cream paper. Smaller trims mean more pages and a thicker spine for the same text.
- Non-fiction and guides: 6 × 9 in, or 7 × 10 in when you have diagrams and tables.
- Picture books: 8.5 × 8.5 or 8.25 × 8.25 in square, 8 × 10 in, or 8.25 × 6 in landscape, in premium color · white paper.
- Coloring, activity and workbooks: 8.5 × 11 in, printed on white paper so pens and pencils work well.
- Journals and planners: 6 × 9 in for carrying around, 8.5 × 11 in for desk planners.
Once you know the size, set up the interior with the margins and bleed guide and size the cover with the cover calculator. kdpbook makes books in all 16 standard paperback sizes and the 5 hardcover sizes, not in custom sizes.
Every KDP trim size in detail
One page per size, with the page limits for each paper, the text width at each gutter, full-wrap cover sizes and Amazon.com printing costs:
- 5 × 8 in: the narrowest standard KDP trim, a compact paperback size for novels, novellas, poetry and manga.
- 5.06 × 7.81 in: the KDP size that matches the UK B-format paperback, used for fiction and manga.
- 5.25 × 8 in: a paperback size between 5 × 8 in and 5.5 × 8.5 in, used for novels, memoirs and chapter books.
- 5.5 × 8.5 in: half a US Letter sheet, a common size for novels, poetry, devotionals and chapter books.
- 6 × 9 in: the most common paperback trim in the US according to KDP, used for novels, non-fiction, memoirs and journals.
- 6.14 × 9.21 in: the UK Royal format, used for non-fiction, textbooks and longer novels.
- 6.69 × 9.61 in: a wide portrait size between 6 × 9 in and 7 × 10 in, used for non-fiction and graphic novels.
- 7 × 10 in: a large portrait size for textbooks, workbooks, technical books and comics.
- 7.44 × 9.69 in: the UK Crown Quarto format, used for illustrated non-fiction, cookbooks, textbooks and comics.
- 7.5 × 9.25 in: a large portrait size for picture books, illustrated storybooks and cookbooks.
- 8 × 10 in: a large portrait size for picture books, illustrated storybooks, cookbooks and kids' non-fiction.
- 8.25 × 6 in (landscape): KDP's only standard landscape trim, used for picture books and wide-format baby books.
- 8.25 × 8.25 in: a square size for picture books, baby books and adult coloring books.
- 8.5 × 8.5 in: the larger square size, a classic format for picture books and early-childhood books.
- 8.5 × 11 in: US Letter size, a common format for coloring books, activity and puzzle books and workbooks.
- 8.27 × 11.69 in (A4): the ISO A4 paper size, for coloring books, activity books and workbooks aimed at readers who use A4.
- 8.25 × 11 in: KDP's largest hardcover size, used for illustrated storybooks, kids' non-fiction and coloring or activity books in hardcover.
How to use it
- 01
Choose the binding
Paperback offers 16 sizes; hardcover only 5.
- 02
Choose ink and paper
Some combinations aren't offered at every size, and page limits change with the paper.
- 03
Compare the sizes
Every size is drawn to scale. Dashed sizes aren't available for the ink you picked.
- 04
Check the limits
Read the page range, the page size with bleed and Expanded Distribution eligibility.
Questions
What is the most common KDP trim size?
6 × 9 in is KDP's default and the most common size for novels and non-fiction in the US. 5.5 × 8.5 in and 5 × 8 in are popular for fiction; 8.5 × 11 in for coloring, activity and workbooks; 8.5 × 8.5 in for picture books.
Which trim sizes can be hardcover on KDP?
Only 5: 5.5 × 8.5, 6 × 9, 6.14 × 9.21, 7 × 10, 8.25 × 11 in. Hardcovers need 75–550 pages and can't use a custom size.
Can I use a custom trim size on KDP?
Yes, for paperbacks: any size from 4 to 8.5 in wide and 6 to 11.69 in tall. Custom sizes aren't on KDP's Expanded Distribution list.
What counts as a large trim size?
A trim wider than 6.12 in or taller than 9 in. Large trims only change the printing cost: the per-page price and the flat fee are higher.
What size should a children's picture book be?
Square 8.5 × 8.5 in and 8.25 × 8.25 in are the classic picture-book sizes on KDP, with 8 × 10 in and the 8.25 × 6 in landscape as alternatives. All of them are paperback only.