SRA3 Paper Size, Dimensions and Format (Raw series)


320 x 450




Aspect ratio 1:1.41
Perimeter (P) 1,540 mm
Diagonal (d) 552.18 mm
Area (A) 144,000 mm²


The SRA3 format measures 320 x 450 mm or 12.6 x 17.7 inches. An SRA3 paper fromat has an aspect ratio of 1:1.41. The Area of the SRA3 paper size is 144,000 mm² or 223.02 in² with a perimeter of 1,540 mm or 60.60 in. An SRA3 format has a diagonal length of 552.18 mm or 21.73 in. The SRA3 size belongs to the Raw series. In the Raw series there are a total of 19 paper sizes.

Frequently Asked Questions

The size of an SRA3 paper is 320 x 450 mm

The size of an SRA3 paper in inches is 12.6 x 17.7 in

The half size of an SRA3 paper is 160 x 225 mm or 6.3 x 8.85 in

The aspect ratio of an SRA3 is 1:1.41

The area of an SRA3 paper is 144,000 mm or 223.02 in

The perimeter of an SRA3 paper is 1,540 mm or 60.60 in

The diagonal measurement of SRA3 paper is 552.18 mm or 21.73 in

Other Raw Paper Sizes →

There are a total of 19 Raw Paper Sizes.