Paper Fold Calculator

Calculate panel dimensions for any fold type from your sheet size. Get precise panel widths for bi-fold, tri-fold, z-fold, gate fold, and more.

Sheet Width (inches)

Sheet Height (inches)

Fold Type

Fold Direction

Finished Size

0 x 0 in

Number of Panels

Number of Folds

Finished (mm)

Total Print Sides

Common Paper Fold Types

Bi-fold: 1 fold, 2 panels = 4 pages

Tri-fold: 2 folds, 3 panels = 6 pages (inside panel slightly narrower)

Z-fold: 2 folds, 3 equal panels = 6 pages

Gate fold: 2 folds, flaps fold to center = 6 pages

Accordion (4): 3 folds, 4 equal panels = 8 pages

Roll fold (4): 3 folds, each panel slightly narrower = 8 pages

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