Spine Calculator
Calculate the spine thickness based on paper type and number of pages
Book Specifications
mm
mm
Weight:90 g/m²
Bulk factor:1.34
Perfect bound (hardcover)
16.6 mm
Flat spine
18.1 mm
Round spine
Glue-bound hardcover binding
Sewn bound (hardcover)
18.2 mm
Flat spine
19.9 mm
Round spine
Thread-stitched hardcover binding, the strongest binding method