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International Envelope Series



Belonging to the ISO 216 standard, the X6 paper size is a unique and often overlooked member of this globally recognized series. This particular dimension, while not as commonly used as its A4 or A3 counterparts, holds its own distinctive appeal and practicality.

The X6 paper size is part of the ISO's B series, designed to provide sizes that aren't covered by the more popular A series. The B series fills in gaps between A sizes, offering a wider range of options for specific printing needs. The X6 falls into this category, providing an alternative option for those seeking a less conventional paper size.

X6 paper dimensions


View All International 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 about the X6 paper size is its precise dimensions. It adheres strictly to the √2 aspect ratio prescribed by ISO 216. This means that regardless of how it's cut or folded, each resulting piece retains the same aspect ratio as the original sheet - a feature that ensures consistency across all applications.

In terms of usage, while it may not be your go-to choice for everyday printing tasks like document creation or photo printing, it does have niche applications where it shines brilliantly. For instance, in professional settings where unique marketing materials are required or in artistic realms where unconventional canvas sizes can make a striking difference.

Overall, while X6 may not be your typical household name when it comes to paper sizes like A4 or Letter from ANSI series are; its existence within ISO 216 standard serves as an important reminder of our need for diversity and flexibility in design tools - even something as seemingly simple as paper.

Other Formats in the International Envelope Series

Interesting facts about X6

1: X6 paper is a part of the ISO 216 standard

X6 paper is one of the many sizes defined by the ISO 216 standard for paper sizes. This international standard was first introduced in 1975 and is widely used across the globe.

2: X6 paper measures approximately 107 x 152 millimeters

The dimensions of X6 paper are approximately 107 x 152 millimeters or about 4.2 x 6 inches. It falls under the category of small-sized papers.

3: X6 paper is commonly known as "Postcard" size

X6 paper is often referred to as "Postcard" size due to its similarity in dimensions to traditional postcards. Its compact size makes it ideal for creating personalized postcards or other small printed materials.

4: X6 paper can be used for various purposes

X6 paper finds applications in a wide range of uses, including printing postcards, invitations, greeting cards, and even certain types of photographs. Its convenient size makes it versatile for both personal and professional projects.

5: X6 paper originated from Germany's DIN system

The ISO A-series papers, including X6, were derived from the German DIN (Deutsches Institut für Normung) system introduced in the early twentieth century. The DIN system aimed to standardize various aspects of engineering and technical documentation.

6: The aspect ratio of X6 paper is approximately √2

The aspect ratio (width-to-height ratio) of all ISO A-series papers, including X6, is approximately √2 (1:√2). This unique aspect ratio allows for easy scaling and resizing of documents without altering their proportions.

7: X6 paper is part of a larger series

X6 paper belongs to the ISO A-series, which includes other sizes such as A0, A1, A2, and so on. Each size in the series is precisely half the area of its predecessor while maintaining the same aspect ratio.

8: X6 paper is not commonly used in office environments

While X6 paper has its applications, it is not frequently used in typical office settings. Its compact size makes it more suitable for specialized printing needs or personal projects rather than everyday documentation.

9: X6 paper can be easily trimmed from larger sheets

If X6-sized paper is not readily available, it can be easily created by trimming down a larger sheet of ISO A-series paper. The standardized dimensions allow for precise cutting without affecting the aspect ratio.

10: The ISO 216 standard has global acceptance

The ISO 216 standard for paper sizes, including X6, has gained widespread acceptance worldwide. It ensures compatibility and ease of use across different countries and industries when dealing with printed materials.