B4 Paper Size, Dimensions and Format (B series)


250 x 353




Aspect ratio 1:1.41
Perimeter (P) 1,206 mm
Diagonal (d) 432.56 mm
Area (A) 88,250 mm²


The B4 format measures 250 x 353 mm or 9.8 x 13.9 inches. An B4 paper fromat has an aspect ratio of 1:1.41. The Area of the B4 paper size is 88,250 mm² or 136.22 in² with a perimeter of 1,206 mm or 47.40 in. An B4 format has a diagonal length of 432.56 mm or 17.01 in. The B4 size belongs to the B series. In the B series there are a total of 17 paper sizes.

Frequently Asked Questions

The size of an B4 paper is 250 x 353 mm

The size of an B4 paper in inches is 9.8 x 13.9 in

The half size of an B4 paper is 125 x 176.5 mm or 4.9 x 6.95 in

The aspect ratio of an B4 is 1:1.41

The area of an B4 paper is 88,250 mm or 136.22 in

The perimeter of an B4 paper is 1,206 mm or 47.40 in

The diagonal measurement of B4 paper is 432.56 mm or 17.01 in

Other B Paper Sizes →

There are a total of 17 B Paper Sizes.