Here is a chart of the current (Jan 2019) CS/Kindle Direct trim sizes for books.
Trim size | Black ink and white paper | Black ink and cream paper | Color ink and white paper |
---|---|---|---|
5" x 8" (12.7 x 20.32 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
5.06" x 7.81" (12.85 x 19.84 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
5.25" x 8" (13.34 x 20.32 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
5.5" x 8.5" (13.97 x 21.59 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
6" x 9" (15.24 x 22.86 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
6.14" x 9.21" (15.6 x 23.39 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
6.69" x 9.61" (16.99 x 24.41 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
7" x 10" x (17.78 x 25.4 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
7.44" x 9.69" (18.9 x 24.61 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
7.5" x 9.25" (19.05 x 23.5 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
8" x 10" (20.32 x 25.4 cm) | 24 - 828 | 24 - 776 | 24 - 828 |
8.25" x 6" (20.96 x 15.24 cm) | 24 - 800 | 24 - 750 | 24 - 800 |
8.25" x 8.25" (20.96 x 20.96 cm) | 24 - 800 | 24 - 750 | 24 - 800 |
8.5" x 8.5" (21.59 x 21.59 cm) | 24 - 590 | 24 - 550 | 24 - 590 |
8.5" x 11" (21.59 x 27.94 cm) | 24 - 590 | 24 - 550 | 24 - 590 |
8.27" x 11.69" (21 x 29.7 cm) | 24 - 780 | 24 - 730 | Not available |