F1 Paper Size, Dimensions and Format (Transitional series)

F1 in millimeters

660 x 841




Aspect ratio 1:1.27
Area (A) 555,060 mm²
Perimeter (P) 3,002 mm
Diagonal (d) 1,069.06 mm


The F1 format measures 660 x 841 mm or 26 x 33.1 inches. An F1 paper fromat has an aspect ratio of 1:1.27. The Area of the F1 paper size is 555,060 mm² or 860.60 in² with a perimeter of 3,002 mm or 118.20 in. An F1 format has a diagonal length of 1,069.06 mm or 42.09 in. The F1 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 F1 paper is 660 x 841 mm

The size of an F1 paper in inches is 26 x 33.1 in

The half size of an F1 paper is 330 x 420.5 mm or 13 x 16.55 in

The aspect ratio of an F1 is 1:1.27

The area of an F1 paper is 555,060 mm or 860.60 in

The perimeter of an F1 paper is 3,002 mm or 118.20 in

The diagonal measurement of F1 paper is 1,069.06 mm or 42.09 in

Other Transitional Paper Sizes

There are a total of 22 Transitional Paper Sizes.