A3 Paper Size, Dimensions and Format (A series)
A3 in millimeters
|Area (A)||124,740 mm²|
|Perimeter (P)||1,434 mm|
|Diagonal (d)||514.40 mm|
The A3 format measures 297 x 420 mm or 11.7 x 16.5 inches. An A3 paper fromat has an aspect ratio of 1:1.41. The Area of the A3 paper size is 124,740 mm² or 193.05 in² with a perimeter of 1,434 mm or 56.40 in. An A3 format has a diagonal length of 514.40 mm or 20.23 in. The A3 size belongs to the A series. In the A series there are a total of 19 paper sizes.
Frequently Asked Questions:
There are a total of 19 A Paper Sizes.