Dukes Paper Size, Dimensions and Format (Traditional British series)


140 x 178




Aspect ratio 1:1.27
Perimeter (P) 636 mm
Diagonal (d) 226.46 mm
Area (A) 24,920 mm²


The Dukes format measures 140 x 178 mm or 5.5 x 7 inches. An Dukes paper fromat has an aspect ratio of 1:1.27. The Area of the Dukes paper size is 24,920 mm² or 38.50 in² with a perimeter of 636 mm or 25 in. An Dukes format has a diagonal length of 226.46 mm or 8.90 in. The Dukes 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 Dukes paper is 140 x 178 mm

The size of an Dukes paper in inches is 5.5 x 7 in

The half size of an Dukes paper is 70 x 89 mm or 2.75 x 3.5 in

The aspect ratio of an Dukes is 1:1.27

The area of an Dukes paper is 24,920 mm or 38.50 in

The perimeter of an Dukes paper is 636 mm or 25 in

The diagonal measurement of Dukes paper is 226.46 mm or 8.90 in

Other Traditional British Paper Sizes →

There are a total of 5 Traditional British Paper Sizes.