Spine Width Calculator

Calculate the spine width of a book from the number of pages and paper thickness. Essential for designing book covers.

Total Page Count

Paper Stock

Custom Leaf Thickness (inches) - if custom selected

Cover Type

Spine Width

0.000 in

Pages (sheets/leaves)

Paper Block Width

Cover Addition

Total Cover Width

How Spine Width is Calculated

Leaves (sheets) = Page Count / 2

Paper Block Width = Leaves x Thickness per Leaf

Total Spine = Paper Block + Cover Board (if hardcover)

Full Cover Width = Front + Spine + Back + Bleeds