F9 Paper Size, Dimensions and Format (Transitional series)


41 x 52




Aspect ratio 1:1.27
Perimeter (P) 186 mm
Diagonal (d) 66.22 mm
Area (A) 2,132 mm²


The F9 format measures 41 x 52 mm or 1.6 x 2 inches. An F9 paper fromat has an aspect ratio of 1:1.27. The Area of the F9 paper size is 2,132 mm² or 3.20 in² with a perimeter of 186 mm or 7.20 in. An F9 format has a diagonal length of 66.22 mm or 2.56 in. The F9 size belongs to the Transitional series. In the Transitional series there are a total of 22 paper sizes.

Frequently Asked Questions

The size of an F9 paper is 41 x 52 mm

The size of an F9 paper in inches is 1.6 x 2 in

The half size of an F9 paper is 20.5 x 26 mm or 0.8 x 1 in

The aspect ratio of an F9 is 1:1.27

The area of an F9 paper is 2,132 mm or 3.20 in

The perimeter of an F9 paper is 186 mm or 7.20 in

The diagonal measurement of F9 paper is 66.22 mm or 2.56 in

Other Transitional Paper Sizes →

There are a total of 22 Transitional Paper Sizes.