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Canadian Series



Belonging to the ISO 216 standard, P9 is a unique paper size that holds its own in the realm of print and design. This standard, recognized internationally, ensures consistency across different countries and industries. The P9 paper size is part of this global system, offering a specific set of dimensions that cater to particular printing needs.

The dimensions of P9 are 32mm x 45mm, making it one of the smallest sizes in the ISO 216 series. Despite its compact size, it serves a variety of purposes in specialized fields such as ticketing or labeling where space efficiency is paramount.

P9 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 about P9 and indeed all ISO paper sizes is their aspect ratio. They maintain a consistent aspect ratio of √2:1 which means when you cut or fold the paper in half along its longest side, you get two pieces with identical proportions as the original sheet. This unique feature makes scaling designs and layouts incredibly efficient.

While not as commonly used as A4 or Letter sizes from ANSI series, P9 has found its niche in specific applications where small-sized printed materials are required. Its distinct dimensions make it an intriguing choice for designers seeking to create compact yet impactful print designs.

While P9 may not be your everyday go-to paper size like some larger formats within ISO or ANSI series, it certainly holds significant value within specialized sectors due to its unique properties and potential for creative application.

Other Formats in the Canadian Series

Interesting facts about P9

1. P9 Paper Size

P9 paper is a lesser-known paper size that measures 229 mm x 324 mm or approximately 9.02 inches x 12.76 inches. It belongs to the ISO 216 standard, which is widely used for paper sizes around the world.

2. Origin of P9

The P series of paper sizes was introduced by the International Organization for Standardization (ISO) in the 1970s as an extension to the A series sizes. The P stands for "practical" and these sizes were designed to provide a wider range of options for specific applications.

3. Common Uses

P9 paper is commonly used for envelopes, brochures, and other printed materials that require a slightly larger format than standard letter or A4 size.

4. Compatibility with A Series

P9 paper has a close relationship with the A series sizes, particularly with A5 and A6 papers. In fact, two sheets of P9 can be cut from one sheet of A5 or four sheets of P9 can be cut from one sheet of A6 without any waste.

5. Limited Availability

While P9 is an established size within the ISO standard, it may not be readily available in all regions or from all suppliers due to its less common usage compared to other popular sizes like A3 or Letter.

6. Variations in Naming

In some countries, including Germany and Austria, P9 is referred to as "P8+" instead due to slight variations in naming conventions across different regions.

7. Similarity to US Legal Size

P9 shares similarities with the US Legal paper size, which measures 8.5 inches x 14 inches. However, P9 is slightly larger in both dimensions.

8. Historical Paper Series

The introduction of the P series was part of a broader effort to standardize paper sizes globally. The ISO 216 standard also includes the A series (commonly used for office documents) and the B series (often used for posters and books).

9. Global Adoption

The ISO 216 standard, including the P series, has been widely adopted by many countries around the world, making it easier for businesses and individuals to work with consistent paper sizes across borders.

10. Customization Options

While P9 is not as commonly available as some other sizes, it can still be custom ordered from specialized printing companies or paper suppliers to meet specific requirements.