Book trim size
Royal (6.14 x 9.21 in) trim size
6.14 x 9.21 in · 156 x 233.9 mm. The international Royal format (156 x 234 mm), widely used for hardcover nonfiction and academic books.
About the 6.14 x 9.21 in format
The international Royal format (156 x 234 mm), widely used for hardcover nonfiction and academic books.
Typical uses: Nonfiction, Hardcovers, Academic, History.
Genres where this size is a common choice: Fantasy, Epic Fantasy, Biography, Popular History, Textbooks & Academic.
How many pages will my book be at 6.14 x 9.21 in?
| Manuscript | 10 pt | 11 pt | 12 pt |
|---|---|---|---|
| 40,000 words | 112 pp | 134 pp | 158 pp |
| 60,000 words | 166 pp | 198 pp | 230 pp |
| 80,000 words | 218 pp | 260 pp | 312 pp |
| 100,000 words | 270 pp | 330 pp | 386 pp |
| 120,000 words | 328 pp | 392 pp | 460 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 6.14 x 9.21 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 | 12.755 x 9.46 in |
| 200 pages | 0.4504 in / 11.44 mm | 0.5 in / 12.7 mm | 12.98 x 9.46 in |
| 300 pages | 0.6756 in / 17.16 mm | 0.75 in / 19.05 mm | 13.206 x 9.46 in |
| 400 pages | 0.9008 in / 22.88 mm | 1 in / 25.4 mm | 13.431 x 9.46 in |
| 500 pages | 1.126 in / 28.6 mm | 1.25 in / 31.75 mm | 13.656 x 9.46 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 | 0.625 in | 0.75 / 0.75 in | 4.89 x 7.71 in |
| 151–300 pages | 0.5 in | 0.75 in | 0.625 in | 0.75 / 0.75 in | 4.77 x 7.71 in |
| 301–500 pages | 0.625 in | 0.875 in | 0.625 in | 0.75 / 0.75 in | 4.64 x 7.71 in |
| 501–700 pages | 0.75 in | 1 in | 0.625 in | 0.75 / 0.75 in | 4.52 x 7.71 in |
| 701–828 pages | 0.875 in | 1.125 in | 0.625 in | 0.75 / 0.75 in | 4.39 x 7.71 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) | 6.14 x 9.21 | 156 x 233.9 | 1,842 x 2,763 px |
| With bleed | 6.265 x 9.46 | 159.1 x 240.3 | 1,880 x 2,838 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 6.14 x 9.21 in, a novel of 80,000 words comes to roughly 260 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
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