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

A4 Square in millimetres

210 x 210 mm


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 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.

Other Miscellaneous Paper Sizes

There are a total of 7 Miscellaneous Paper Sizes.