Standard Paperback Sizes
With books being printed in so many different paperback sizes it can hard to know what the standard size is.
Some of the traditional standard paperback sizes are:
- 110mm x 178mm (4.33″ x 7.01″) – A Format
- 130mm x 198mm (5.12″ x 7.8″) – B Format
- 135mm x 216mm (5.32″ x 8.51″) – C Format (trade paperbacks)
Other popular paperback sizes:
Some other paperback sizes becoming popular are (from my own experience):
- 127mm x 203mm (5″ x 8″) – This is becoming very popular especially for fiction novels.
- 140mm x 216mm (5.5″ x 8.5″) – Again another format becoming popular, especially for autobiographies or longer fiction novels.
- 152mm x 229mm (6″ x 9″) – (US Trade Paperback). This has in the past been a popular format. We find self publishing authors normally choose the smaller sizes for fiction novels though 6 x 9 can still be good for longer fiction novels (especially a large sci-fi) or autobiographies.
Image by: ricoeurian
Spiderwize can offer to publish your book using some of the most popular book sizes (5 x 8, 5.5 x 8.5 or 6 x 9). These sizes are available in all of our Publishing Packages.

