Foolscap Paper Size, Dimensions and Format (Imperial series)


343 x 432




Aspect ratio 1:1.26
Perimeter (P) 1,550 mm
Diagonal (d) 551.61 mm
Area (A) 148,176 mm²


The Foolscap format measures 343 x 432 mm or 13.5 x 17 inches. An Foolscap paper fromat has an aspect ratio of 1:1.26. The Area of the Foolscap paper size is 148,176 mm² or 229.50 in² with a perimeter of 1,550 mm or 61 in. An Foolscap format has a diagonal length of 551.61 mm or 21.71 in. The Foolscap size belongs to the Traditional British series. In the Traditional British series there are a total of 5 paper sizes.

Frequently Asked Questions

The size of an Foolscap paper is 343 x 432 mm

The size of an Foolscap paper in inches is 13.5 x 17 in

The half size of an Foolscap paper is 171.5 x 216 mm or 6.75 x 8.5 in

The aspect ratio of an Foolscap is 1:1.26

The area of an Foolscap paper is 148,176 mm or 229.50 in

The perimeter of an Foolscap paper is 1,550 mm or 61 in

The diagonal measurement of Foolscap paper is 551.61 mm or 21.71 in

Other Traditional British Paper Sizes →

There are a total of 5 Traditional British Paper Sizes.