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US Envelope Series



Belonging to the ISO 216 series, the square paper format is a unique and versatile choice for various applications. This format, unlike its rectangular counterparts, offers equal dimensions on all sides, creating a perfect balance that appeals to the human eye.

The square paper size is not explicitly defined in either ISO or ANSI standards. However, it's often derived from standard sizes such as A4 or Letter by trimming them to achieve an equal length and width. This flexibility allows for customization based on specific needs and preferences.

Square paper dimensions


View All US Envelope Series

2A046.81 x 66.221189 x 1682119 x 1683370 x 4768
A120.51 x 0.7113 x 181 x 237 x 51
4A066.22 x 93.621682 x 2378168 x 2384768 x 6741
A110.71 x 1.0218 x 262 x 351 x 74
A101.02 x 1.4626 x 373 x 474 x 105
A3+12.95 x 19.02329 x 48333 x 48933 x 1369
A1+23.98 x 35.98609 x 91461 x 911726 x 2591
A0+35.98 x 50.87914 x 129291 x 1292591 x 3662
A64.13 x 5.83105 x 14811 x 15298 x 420
A55.83 x 8.27148 x 21015 x 21420 x 595
A48.27 x 11.69210 x 29721 x 30595 x 842
A311.69 x 16.54297 x 42030 x 42842 x 1191
A91.46 x 2.0537 x 524 x 5105 x 147
A216.54 x 23.39420 x 59442 x 591191 x 1684
A82.05 x 2.9152 x 745 x 7147 x 210
A123.39 x 33.11594 x 84159 x 841684 x 2384
A72.91 x 4.1374 x 1057 x 11210 x 298
A033.11 x 46.81841 x 118984 x 1192384 x 3370

One intriguing aspect of square paper is its inherent symmetry. This characteristic makes it an ideal choice for design projects where balance and proportion are paramount. From origami crafts to professional brochures, the square format provides a distinct aesthetic appeal that sets it apart from traditional formats.

Moreover, in terms of print layout design, square papers offer unique opportunities for creativity. The absence of a long edge eliminates the conventional hierarchy between portrait and landscape orientations, giving designers more freedom to experiment with their layouts.

While not explicitly part of any standard series like ISO or ANSI, the square paper size holds its own due to its symmetry and versatility. Its unique characteristics make it an appealing choice for those looking to step outside traditional design norms.

Other Formats in the US Envelope Series

Interesting facts about Square

1: Square paper has a long history

Square paper dates back to ancient times, with evidence of its use in various civilizations such as the Egyptians and the Chinese. It has been used for writing, drawing, and even origami.

2: Square paper is versatile

Square paper is not limited to just one purpose. It can be used for sketching, note-taking, creating diagrams, making patterns, or even designing quilts. Its symmetrical shape makes it ideal for various creative endeavors.

3: Square paper promotes balance

The equal sides of square paper create a sense of balance and harmony. This symmetry can be visually pleasing and help in organizing thoughts or designs within a confined space.

4: Square paper is popular in mathematics

Square grids are commonly used in mathematics for graphing functions, plotting data points, or solving geometric problems. The uniformity of square cells simplifies calculations and measurements.

5: Square paper aids in architectural design

Architects often use square graph paper to draft floor plans or create scale models. The grid structure helps maintain accurate proportions and measurements when visualizing structures.

6: Square paper inspires creativity

The simplicity of square-shaped sheets encourages out-of-the-box thinking. Artists and designers often find inspiration from the constraints imposed by the square format.

7: Square origami requires special techniques

Folding square pieces of origami requires specific folding techniques compared to rectangular sheets. Many traditional origami designs are specifically designed for squares due to their unique folding properties.

8: Square paper is used in board games

Many board games, such as chess or checkers, utilize square grids for game boards. The equal-sized squares provide a structured playing field and facilitate strategic moves.

9: Square paper can be customized

Square paper can be easily customized by adding lines, grids, or dots to suit specific needs. This flexibility allows users to adapt the paper to their preferred style of writing or drawing.

10: Square paper is available in various sizes

Square paper comes in different sizes ranging from small notepads to large art sketchbooks. Whether you need a pocket-sized square notebook or a poster-sized sheet, there's an option for every requirement.