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German Series



Belonging to the ISO 216 standard, DIN A9 is a unique paper size that holds its own significance in the world of print and design. This standard, recognized internationally, ensures consistency across different regions and industries.

DIN A9 measures precisely 37mm x 52mm. It's a compact size that makes it ideal for specific applications where space is at a premium. Despite its small dimensions, it can still deliver impactful messages when used correctly.

DIN A9 paper dimensions


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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 fascinating aspect of DIN A9 and indeed all sizes in the ISO 216 series is their aspect ratio. Maintaining an aspect ratio of √2:1 means that when you fold a sheet in half along its longest side, you get two smaller sheets with the same proportions as the original. This feature provides incredible flexibility in design and printing processes.

While not as commonly used as larger sizes like DIN A4 or A3, DIN A9 has found its niche uses. It's often employed for tickets or coupons due to its convenient size which fits comfortably into wallets or pockets without folding.

In comparison to ANSI standards prevalent in North America, ISO paper sizes including DIN A9 offer more logical increments between sizes which can simplify scaling designs up or down.

While DIN A9 may not be the most well-known paper size out there, it certainly carries weight within specific contexts due to its unique properties and versatile applications.

Other Formats in the German Series

Interesting facts about DIN A9

1: The Smallest of Them All

DIN A9 paper is the smallest standardized paper size in the ISO 216 series. It measures just 37 mm x 52 mm, making it incredibly tiny compared to other commonly used paper sizes.

2: Origin of the DIN Standard

The DIN (Deutsches Institut für Normung) standard for paper sizes was first introduced in Germany in the early 20th century. It aimed to establish a consistent and universal system for paper dimensions.

3: Historical Use as Business Cards

Due to its small size, DIN A9 paper has often been used as a basis for business cards. Its compact dimensions make it convenient for carrying and exchanging contact information.

4: Rarely Used in Printing

DIN A9 is not commonly used for printing purposes due to its limited space. However, it can be utilized creatively for unique projects such as miniature art prints or intricate designs.

5: Popular Among Philatelists

Philatelists, collectors of postage stamps, often use DIN A9 sheets to store and display their stamp collections. The small size allows them to showcase individual stamps or sets in a compact format.

6: Not Widely Available

DIN A9 paper is not readily available at most stationery stores or print shops since it falls outside the range of commonly used sizes. However, specialty suppliers may carry this size upon request.

7: Unique Applications in Crafts

Craft enthusiasts sometimes use DIN A9 sheets for origami projects or creating intricate folded designs due to its small dimensions. It offers a challenge and allows for delicate and precise craftsmanship.

8: Limited Space for Content

With its compact size, DIN A9 paper provides limited space for content. This constraint can be seen as an opportunity to convey concise messages or create visually impactful designs within a confined area.

9: Uncommon in Digital Printing

DIN A9 paper is rarely used in digital printing processes due to the challenges it presents in handling such small sheets. However, advancements in technology may make it more feasible in the future.

10: Collectible Item

Due to its unique size and limited availability, DIN A9 paper can be considered a collectible item among paper enthusiasts or those interested in rare stationery items.