A0 size in m is 0.841x1.189
The aspect ratio of an A0 paper is 1:1.41,The area of an A0 paper is 999949 mm², Perimeter of an A0 paper is 4060 mm or 4.06 m, Diagonal line of an A0 paper is 1456.37 mm or 1.45637 mThe meter is the basic unit of length in the International System of Units, with the symbol m. One meter is equal to 10 decimeters. It can be used to measure length, width, and height.