A3U Paper Size, Dimensions and Format (Raw series)

A3U in millimetres

330 x 450 mm




Aspect ratio 1:1.36
Area (A) 148,500 mm²
Perimeter (P) 1,560 mm
Diagonal (d) 558.03 mm


The A3U format measures 330 x 450 mm or inches. An A3U paper fromat has an aspect ratio of 1:1.36. The Area of the A3U paper size is 148,500 mm² or 230.10 in² with a perimeter of 1,560 mm or 61.40 in. An A3U format has a diagonal length of 558.03 mm or 21.96 in. The A3U 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.