Arch A Paper Size, Dimensions and Format (Architectural series)

Arch A

229 x 305


Arch A


Aspect ratio 1:1.33
Perimeter (P) 1,068 mm
Diagonal (d) 381.40 mm
Area (A) 69,845 mm²


The Arch A format measures 229 x 305 mm or 9 x 12 inches. An Arch A paper fromat has an aspect ratio of 1:1.33. The Area of the Arch A paper size is 69,845 mm² or 108 in² with a perimeter of 1,068 mm or 42 in. An Arch A format has a diagonal length of 381.40 mm or 15 in. The Arch A size belongs to the Architectural series. In the Architectural series there are a total of 8 paper sizes.

Frequently Asked Questions

The size of an Arch A paper is 229 x 305 mm

The size of an Arch A paper in inches is 9 x 12 in

The half size of an Arch A paper is 114.5 x 152.5 mm or 4.5 x 6 in

The aspect ratio of an Arch A is 1:1.33

The area of an Arch A paper is 69,845 mm or 108 in

The perimeter of an Arch A paper is 1,068 mm or 42 in

The diagonal measurement of Arch A paper is 381.40 mm or 15 in

Other Architectural Paper Sizes →

There are a total of 8 Architectural Paper Sizes.