Publishing tools

Cover Dimensions Calculator

Enter your finished book specifications. Results calculate in your browser; no manuscript or measurements are uploaded.

Publishing platform

Binding

Measurement unit

Final interior page countCount PDF pages, including unnumbered pages.

Trim width (in)

Trim height (in)

KDP paperback paper / inkAvailability and page limits depend on trim size.

Interior artwork reaches the page edge?Cover bleed is separate and always included in paperback wrap results.

Inputs last only while this page is open. Review the printer’s generated template before submitting a cover. This calculator does not create a printer-approved template.

How to use the result

Interior PDF dimensions include bleed only if selected. Paperback cover width includes back + spine + front + two outer bleed edges. Hardcover and jacket results use your official template dimensions instead of a paperback formula.

KDP results use its published paperback spine factors. IngramSpark’s interior margin figure is its recommended 0.5-inch safety distance; its own template remains authoritative for binding details. The page-count minimum interior margin for KDP is a requirement, not a design recommendation.

KDP cover formulas ↗ · KDP page limits and margins ↗ · IngramSpark file guidelines ↗

Specifications checked October 28, 2026. For unusual formats or changed printer specifications, use the official tools.

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