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Printorium Bookworks
911 Fort Street
Victoria, BC V8V 3K3

Please feel free to use our book spine thickness calculator to determine the spine thickness of your softcover book project. Enter the number of pages in your book in the appropriate column for the type of paper you are using, and select "calculate" to find the width of the spine.


  • 60# white offset is the default stock for B&W books.
  • 50# white offset is a custom order.

Paper Type Number
of Pages
Spine Width
(In Inches)
60lb Offset White (Default)
70lb Offset White    
80lb Gloss/Silk    
55lb Natural