What paperback trim sizes are available?
Common paperback trims include 5x8, 5.25x8, 5.5x8.5, and 6x9. Pick the standard size for your genre. Here's how to choose and why it matters.
Last updated 2026-06-15
Trim size is the finished width x height of your paperback. Picking a standard size for your genre keeps printing cheap and your book looking right on the shelf.
Common trims
- 5 x 8 and 5.25 x 8 — compact; common for fiction and poetry.
- 5.5 x 8.5 — a popular all-rounder for novels and non-fiction.
- 6 x 9 — the workhorse for non-fiction, business, and many trade paperbacks.
How to choose
- Match your genre. Look at comparable paperbacks and pick the size readers expect.
- Page count vs price. A larger trim fits more words per page, lowering page count and print cost — see printing costs.
- Set it before you format. The trim drives your interior layout and margins — see print file requirements.
Once you pick a trim, build your interior PDF and cover to match it exactly. Changing trim later means re-formatting.
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How does print on demand work on Chiify?
Chiify offers paperback print on demand via IngramSpark. Upload a print interior PDF and a wraparound cover; books are printed and shipped only when ordered.
Print on demand file requirements and specs
For paperbacks you need a print interior PDF (PDF/X-1a, CMYK, embedded fonts, correct trim + bleed) and a wraparound cover PDF. Here are the specs.
How do I prepare a print interior PDF (PDF/X-1a, CMYK)?
Export your interior as PDF/X-1a in CMYK with embedded fonts, the right trim, mirrored margins, and bleed on full-page images. Step-by-step guide.
How are printing costs and print royalties calculated?
Print cost depends on page count, trim, and colour; your royalty is list price minus print cost and the retailer's share. Here's how the math works.
How do I create a wraparound print cover?
A wraparound cover is one PDF with back, spine, and front plus bleed. Spine width depends on page count — use the generated template. Here's how.
Why won't my book or file upload?
Uploads usually fail from an unsupported format, an oversized file, a flaky connection, or placeholder text. Here's how to diagnose and fix each.
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