Print setup
Book cover bleed and safe margin planning
Bleed extends artwork outward; safe margins keep important content away from trim and folds.
How bleed and safe margins relate to book cover spread calculations and print-ready cover layout.
Bleed increases export size
The calculator adds bleed to the full cover spread so artwork can extend past the trim edge. This helps avoid white slivers after trimming, but each printer can specify different bleed requirements.
- Add bleed to the full cover width and height.
- Do not add bleed to page count or spine calculation.
- Confirm the final bleed amount with the printer.
Safe margins protect content
Titles, author names, barcodes, and logos should not sit close to trim edges or spine folds. Use the printer template for exact safe areas and keep important content editable until final proofing.
- Keep text away from the outside trim edge.
- Leave room around the barcode box if required.
- Check spine fold guides before centering spine text.
Always confirm final cover dimensions with your printer or POD platform.
Worked examples
150 pages, 6 x 9 in A planning estimate for a 150-page paperback at a 6 x 9 in trim. 200 pages, 6 x 9 in A planning estimate for a 200-page paperback at a 6 x 9 in trim. 250 pages, 6 x 9 in A planning estimate for a 250-page paperback at a 6 x 9 in trim. 300 pages, 6 x 9 in A planning estimate for a 300-page paperback at a 6 x 9 in trim.