A4 Square Paper Size, Dimensions and Format (Miscellaneous series)

A4 Square in millimeters

210 x 210


A4 Square-paper-size


Aspect ratio 1:1
Area (A) 44,100 mm²
Perimeter (P) 840 mm
Diagonal (d) 296.98 mm


The A4 Square format measures 210 x 210 mm or 8.3 x 8.3 inches. An A4 Square paper fromat has an aspect ratio of 1:1. The Area of the A4 Square paper size is 44,100 mm² or 68.89 in² with a perimeter of 840 mm or 33.20 in. An A4 Square format has a diagonal length of 296.98 mm or 11.74 in. The A4 Square size belongs to the Miscellaneous series. In the Miscellaneous series there are a total of 7 paper sizes.

Frequently Asked Questions:

The size of an A4 Square paper is 210 x 210 mm

The size of an A4 Square paper in inches is 8.3 x 8.3 in

The half size of an A4 Square paper is 105 x 105 mm or 4.15 x 4.15 in

The aspect ratio of an A4 Square is 1:1

The area of an A4 Square paper is 44,100 mm or 68.89 in

The perimeter of an A4 Square paper is 840 mm or 33.20 in

The diagonal measurement of A4 Square paper is 296.98 mm or 11.74 in

Other Miscellaneous Paper Sizes

There are a total of 7 Miscellaneous Paper Sizes.