Amazon KDP
The official Amazon print-on-demand calculator. Generate exact spine widths, barcode placements, and bleed margins for both paperbacks and hardcovers based on your exact page count.
IngramSpark
Publishing wide to bookstores and libraries? IngramSpark uses different paper stocks than Amazon. Enter your ISBN and trim size to receive your official perfect-bound or jacketed template via email.
Lulu Press
Specializing in spiral bound, magazines, or unique dimensions? Lulu offers a highly specific template generator for all of their bespoke printing options. Download directly as a PDF or PNG.
Barnes & Noble Press
Formatting specifically for B&N's internal print-on-demand ecosystem. Calculate your cover size requirements for premium trade paperbacks and case laminate hardcovers.
Struggling with Bleeds & Margins?
Platforms will automatically reject your PDF if text crosses the safe zone or the resolution drops below 300 DPI. Let a professional handle the layout so you can focus on your writing.
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