Book trim size
5.06 x 7.81 in trim size
5.06 x 7.81 in · 128.5 x 198.4 mm. Very close to the British B-format paperback (129 x 198 mm). Useful if you want your book to match UK trade fiction on the shelf.
About the 5.06 x 7.81 in format
Very close to the British B-format paperback (129 x 198 mm). Useful if you want your book to match UK trade fiction on the shelf.
Typical uses: Fiction, Literary fiction, UK-style paperbacks.
How many pages will my book be at 5.06 x 7.81 in?
| Manuscript | 10 pt | 11 pt | 12 pt |
|---|---|---|---|
| 40,000 words | 164 pp | 194 pp | 230 pp |
| 60,000 words | 240 pp | 284 pp | 350 pp |
| 80,000 words | 326 pp | 386 pp | 462 pp |
| 100,000 words | 404 pp | 480 pp | 594 pp |
| 120,000 words | 482 pp | 592 pp | 734 pp |
Estimates for a typical serif body font with 130% leading, chapter openings and front/back matter. Dialogue-heavy fiction runs longer; dense nonfiction shorter.
Spine width and cover size for 5.06 x 7.81 in
| Page count | Spine (white paper) | Spine (cream paper) | Full cover incl. bleed |
|---|---|---|---|
| 100 pages | 0.2252 in / 5.72 mm | 0.25 in / 6.35 mm | 10.595 x 8.06 in |
| 200 pages | 0.4504 in / 11.44 mm | 0.5 in / 12.7 mm | 10.82 x 8.06 in |
| 300 pages | 0.6756 in / 17.16 mm | 0.75 in / 19.05 mm | 11.046 x 8.06 in |
| 400 pages | 0.9008 in / 22.88 mm | 1 in / 25.4 mm | 11.271 x 8.06 in |
| 500 pages | 1.126 in / 28.6 mm | 1.25 in / 31.75 mm | 11.496 x 8.06 in |
Spine factors: 0.002252 in/page white, 0.0025 in/page cream (KDP published values). Other printers vary — use their template.
Margins by page count
| Pages | Min. inside (KDP) | Recommended inside | Outside | Top / bottom | Text block |
|---|---|---|---|---|---|
| 24–150 pages | 0.375 in | 0.625 in | 0.5 in | 0.625 / 0.625 in | 3.94 x 6.56 in |
| 151–300 pages | 0.5 in | 0.75 in | 0.5 in | 0.625 / 0.625 in | 3.81 x 6.56 in |
| 301–500 pages | 0.625 in | 0.875 in | 0.5 in | 0.625 / 0.625 in | 3.69 x 6.56 in |
| 501–700 pages | 0.75 in | 1 in | 0.5 in | 0.625 / 0.625 in | 3.56 x 6.56 in |
| 701–828 pages | 0.875 in | 1.125 in | 0.5 in | 0.625 / 0.625 in | 3.44 x 6.56 in |
Minimum inside margins are KDP's published values; recommended margins are our comfortable defaults for reading.
Two-page spread
Interior PDF page size
| Setup | Page size (in) | Page size (mm) | Full-page image at 300 ppi |
|---|---|---|---|
| No bleed (text only) | 5.06 x 7.81 | 128.5 x 198.4 | 1,518 x 2,343 px |
| With bleed | 5.185 x 8.06 | 131.7 x 204.7 | 1,555 x 2,418 px |
With bleed, add 0.125 in to the width (outside edge only) and 0.25 in to the height (top and bottom).
Tip: at 5.06 x 7.81 in, a novel of 80,000 words comes to roughly 386 pages at 11 pt. Try different settings in the word count calculator or build a cover with the spine width calculator.
Spine width by page count
- 24 pages
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- 828 pages