PA3 Paper Size, Dimensions and Format (Transitional series)

PA3 in millimetres

280 x 420 mm




Aspect ratio 1:1.5
Area (A) 117,600 mm²
Perimeter (P) 1,400 mm
Diagonal (d) 504.78 mm


The PA3 format measures 280 x 420 mm or inches. An PA3 paper fromat has an aspect ratio of 1:1.5. The Area of the PA3 paper size is 117,600 mm² or 181.50 in² with a perimeter of 1,400 mm or 55 in. An PA3 format has a diagonal length of 504.78 mm or 19.83 in. The PA3 size belongs to the Transitional series. In the Transitional series there are a total of 22 paper sizes.

Other Transitional Paper Sizes

There are a total of 22 Transitional Paper Sizes.