Online Book Printing Calculators

Book Printing Calculators for Publishing

Below are links to handy online calculators for frequently needed book publishing and printing tasks. We’ll be adding more as we think of them. We’re open to suggestions!


Spine Width

Paperback Spine Width Calculator Calculates the spine width of a paperback based on page count and paper stock. Use for setting up paperback covers.

Paperback Spine Width Calculator With Option for Inserts Calculates the spine width of a paperback based on page count, paper stock, and optionally, any insert pages and paper stocks. Use for setting up paperback covers.

Book Weight

Book Weight Calculator Calculates the estimated weight of a book based on page size, number of pages, paper stock, and binding. Use for budgeting shipping costs prior to printing.

Page Count (Castoff)

Castoff Calculator Estimates the number of pages in a single-column book based on manuscript character count, page dimensions, and typeface.

Page Size

Paperback Maximum Page Size Calculator Calculates the maximum page size printable at Bookmobile for a paperback book based on page count, paper stock, and optionally, whether the book has French flaps.

Hardcover Maximum Page Size Calculator Calculates the maximum page size printable at Bookmobile for a hardcover book based on page count, paper stock, and dust jacket flap width.

Paperback Page Resizing Calculator Calculates the rescaled page size and scaling factor for resizing an oversize paperback book to print as large as possible at Bookmobile.

Hardcover Page Resizing Calculator Calculates the rescaled page size and scaling factor for resizing an oversize hardcover book to print as large as possible at Bookmobile.

U.S. to Metric Size Page Size Converter Converts page dimensions in inches to page dimensions in millimeters.

Metric to U.S. Page Size Converter Converts page dimensions in millimeters to page dimensions in inches.

ISO to U.S. Page Size Converter Converts ISO standard page sizes to page dimensions in inches.

Paper Weight

Basis Weight to GSM Converter Converts U.S. paper density in pounds (basis weight) to grams per square meter (GSM) measurement used in countries using the metric system.

GSM to Basis Weight Converter Converts grams per square meter (GSM) paper density measurement to pounds (basis weight) system.


About Us

Based in Minneapolis, Minnesota, Bookmobile began as a design and typesetting production house in 1982 and started offering print services in 1996. When your project comes to Bookmobile, it gets the benefit of thirty-three years of know-how. We work with over 900 publishers, including literary presses, university presses, trade houses, museums, galleries, and artists. Contact Us