PA4 Paper Size, Dimensions and Format (Transitional series)

PA4 in millimeters

210 x 280




Aspect ratio 1:1.33
Area (A) 58,800 mm²
Perimeter (P) 980 mm
Diagonal (d) 350 mm


The PA4 format measures 210 x 280 mm or 8.3 x 11 inches. An PA4 paper fromat has an aspect ratio of 1:1.33. The Area of the PA4 paper size is 58,800 mm² or 91.30 in² with a perimeter of 980 mm or 38.60 in. An PA4 format has a diagonal length of 350 mm or 13.78 in. The PA4 size belongs to the Transitional series. In the Transitional series there are a total of 22 paper sizes.

Frequently Asked Questions:

The size of an PA4 paper is 210 x 280 mm

The size of an PA4 paper in inches is 8.3 x 11 in

The half size of an PA4 paper is 105 x 140 mm or 4.15 x 5.5 in

The aspect ratio of an PA4 is 1:1.33

The area of an PA4 paper is 58,800 mm or 91.30 in

The perimeter of an PA4 paper is 980 mm or 38.60 in

The diagonal measurement of PA4 paper is 350 mm or 13.78 in

Other Transitional Paper Sizes

There are a total of 22 Transitional Paper Sizes.