The us alternative to a3 is called tabloid or ledger ansi b and measures 11 x 17 or 279 432 mm.

A3 paper comparison. The largest sheet from the a series is the a0 size of paper. In actuality the a3super a3 name is quite misleading as this paper size is known as b or super b in the united states and is ansi b with a 1 margin for print bleed. It has dimensions of 329mm x 483mm 13 x 19.

Other sources of information an elaborate yet easy to read page on the iso 216 standard can be found here. A4 and a3 size paper are two internationally recognized paper sizes that are used by people for different purposes of printing. Dimensions in inches.

A3 paper is 1169 1654 inches in size. A useful tool to compare paper sizes. This gives it an aspect ratio of 11468 rather than the 1root 2 aspect ratio of the iso series paper sizes.

It has an area of 1m2 and the dimensions are 841mm x 1189mm. The most common paper size used in english speaking countries around the world is a4 which is 210mm x 297mm 827 inches x 117 inches.