PA3 Paper Size, Dimensions and Format (Transitional series)


280 x 420




Aspect ratio 1:1.5
Perimeter (P) 1,400 mm
Diagonal (d) 504.78 mm
Area (A) 117,600 mm²


The PA3 format measures 280 x 420 mm or 11 x 16.5 inches. An PA3 paper fromat has an aspect ratio of 1:1.5. The Area of the PA3 paper size is 117,600 mm² or 181.50 in² with a perimeter of 1,400 mm or 55 in. An PA3 format has a diagonal length of 504.78 mm or 19.83 in. The PA3 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 PA3 paper is 280 x 420 mm

The size of an PA3 paper in inches is 11 x 16.5 in

The half size of an PA3 paper is 140 x 210 mm or 5.5 x 8.25 in

The aspect ratio of an PA3 is 1:1.5

The area of an PA3 paper is 117,600 mm or 181.50 in

The perimeter of an PA3 paper is 1,400 mm or 55 in

The diagonal measurement of PA3 paper is 504.78 mm or 19.83 in

Other Transitional Paper Sizes →

There are a total of 22 Transitional Paper Sizes.