A3U Paper Size, Dimensions and Format (Raw series)


330 x 450




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


The A3U format measures 330 x 450 mm or 13 x 17.7 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.

Frequently Asked Questions

The size of an A3U paper is 330 x 450 mm

The size of an A3U paper in inches is 13 x 17.7 in

The half size of an A3U paper is 165 x 225 mm or 6.5 x 8.85 in

The aspect ratio of an A3U is 1:1.36

The area of an A3U paper is 148,500 mm or 230.10 in

The perimeter of an A3U paper is 1,560 mm or 61.40 in

The diagonal measurement of A3U paper is 558.03 mm or 21.96 in

Other Raw Paper Sizes →

There are a total of 19 Raw Paper Sizes.