RA3 Paper Size, Dimensions and Format (Raw series)


305 x 430




Aspect ratio 1:1.41
Perimeter (P) 1,470 mm
Diagonal (d) 527.19 mm
Area (A) 131,150 mm²


The RA3 format measures 305 x 430 mm or 12 x 16.9 inches. An RA3 paper fromat has an aspect ratio of 1:1.41. The Area of the RA3 paper size is 131,150 mm² or 202.80 in² with a perimeter of 1,470 mm or 57.80 in. An RA3 format has a diagonal length of 527.19 mm or 20.73 in. The RA3 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 RA3 paper is 305 x 430 mm

The size of an RA3 paper in inches is 12 x 16.9 in

The half size of an RA3 paper is 152.5 x 215 mm or 6 x 8.45 in

The aspect ratio of an RA3 is 1:1.41

The area of an RA3 paper is 131,150 mm or 202.80 in

The perimeter of an RA3 paper is 1,470 mm or 57.80 in

The diagonal measurement of RA3 paper is 527.19 mm or 20.73 in

Other Raw Paper Sizes →

There are a total of 19 Raw Paper Sizes.