Demy Paper Size, Dimensions and Format (Imperial series)

Demy in millimetres

445 x 572 mm




Aspect ratio 1:1.29
Area (A) 254,540 mm²
Perimeter (P) 2,034 mm
Diagonal (d) 724.71 mm


The Demy format measures 445 x 572 mm or inches. An Demy paper fromat has an aspect ratio of 1:1.29. The Area of the Demy paper size is 254,540 mm² or 393.75 in² with a perimeter of 2,034 mm or 80 in. An Demy format has a diagonal length of 724.71 mm or 28.50 in. The Demy size belongs to the Imperial series. In the Imperial series there are a total of 31 paper sizes.

Other Imperial Paper Sizes

There are a total of 31 Imperial Paper Sizes.