RA3 Paper Size, Dimensions and Format (Raw series)

RA3 in millimetres

305 x 430 mm




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


The RA3 format measures 305 x 430 mm or 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.

Other Raw Paper Sizes

There are a total of 19 Raw Paper Sizes.