Brief Paper Size, Dimensions and Format (Imperial series)

Brief in millimeters

343 x 406




Aspect ratio 1:1.18
Area (A) 139,258 mm²
Perimeter (P) 1,498 mm
Diagonal (d) 531.49 mm


The Brief format measures 343 x 406 mm or 13.5 x 16 inches. An Brief paper fromat has an aspect ratio of 1:1.18. The Area of the Brief paper size is 139,258 mm² or 216 in² with a perimeter of 1,498 mm or 59 in. An Brief format has a diagonal length of 531.49 mm or 20.93 in. The Brief size belongs to the Imperial series. In the Imperial series there are a total of 31 paper sizes.

Frequently Asked Questions:

The size of an Brief paper is 343 x 406 mm

The size of an Brief paper in inches is 13.5 x 16 in

The half size of an Brief paper is 171.5 x 203 mm or 6.75 x 8 in

The aspect ratio of an Brief is 1:1.18

The area of an Brief paper is 139,258 mm or 216 in

The perimeter of an Brief paper is 1,498 mm or 59 in

The diagonal measurement of Brief paper is 531.49 mm or 20.93 in

Other Imperial Paper Sizes

There are a total of 31 Imperial Paper Sizes.