Book trim size
4.13 x 5.83 in — Bunko (A6, 105 x 148 mm)
4.13 x 5.83 in · 104.9 x 148.1 mm. The Japanese pocket paperback, based on ISO A6. Bunko editions are cheap, durable and collected in long numbered series.
About the 4.13 x 5.83 in format
The Japanese pocket paperback, based on ISO A6. Bunko editions are cheap, durable and collected in long numbered series.
Typical uses: Japanese paperbacks, Light novels.
How many pages will my book be at 4.13 x 5.83 in?
| Manuscript | 10 pt | 11 pt | 12 pt |
|---|---|---|---|
| 40,000 words | 314 pp | 376 pp | 448 pp |
| 60,000 words | 466 pp | 582 pp | 696 pp |
| 80,000 words | 646 pp | 808 pp | 970 pp |
| 100,000 words | 842 pp | 1008 pp | 1210 pp |
| 120,000 words | 1008 pp | 1206 pp | 1448 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 4.13 x 5.83 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 | 8.735 x 6.08 in |
| 200 pages | 0.4504 in / 11.44 mm | 0.5 in / 12.7 mm | 8.96 x 6.08 in |
| 300 pages | 0.6756 in / 17.16 mm | 0.75 in / 19.05 mm | 9.186 x 6.08 in |
| 400 pages | 0.9008 in / 22.88 mm | 1 in / 25.4 mm | 9.411 x 6.08 in |
| 500 pages | 1.126 in / 28.6 mm | 1.25 in / 31.75 mm | 9.636 x 6.08 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 | 3.01 x 4.58 in |
| 151–300 pages | 0.5 in | 0.75 in | 0.5 in | 0.625 / 0.625 in | 2.88 x 4.58 in |
| 301–500 pages | 0.625 in | 0.875 in | 0.5 in | 0.625 / 0.625 in | 2.76 x 4.58 in |
| 501–700 pages | 0.75 in | 1 in | 0.5 in | 0.625 / 0.625 in | 2.63 x 4.58 in |
| 701–828 pages | 0.875 in | 1.125 in | 0.5 in | 0.625 / 0.625 in | 2.51 x 4.58 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) | 4.13 x 5.83 | 104.9 x 148.1 | 1,239 x 1,749 px |
| With bleed | 4.255 x 6.08 | 108.1 x 154.4 | 1,276 x 1,824 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 4.13 x 5.83 in, a novel of 80,000 words comes to roughly 808 pages at 11 pt. Try different settings in the word count calculator or build a cover with the spine width calculator.