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US Series



The Columbian paper size, a unique and often overlooked format, holds its own in the world of standardized paper sizes. As part of the ISO 216 series, it adheres to international standards, ensuring consistency and compatibility across various applications.

Measuring 17.5 inches by 22.5 inches or 445mm by 572mm, the Columbian paper size offers ample space for diverse content types. Its generous dimensions make it an ideal choice for large-scale projects such as architectural drawings or detailed graphic designs.

Columbian 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

Interestingly, despite its name suggesting a connection to Colombia, the Columbian paper size has no specific geographical ties. The origin of its name remains shrouded in mystery - a fascinating tidbit that adds to its allure.

While not as commonly used as A4 or Letter sizes from ANSI series, the Columbian format is highly valued in specific industries where larger formats are required. It's versatility and adaptability make it an invaluable tool in professional settings.

In conclusion, whether you're drafting intricate blueprints or designing eye-catching posters, the Columbian paper size provides a reliable and spacious canvas for your creative endeavors.

Other Formats in the US Series

Interesting facts about Columbian

1: The Origin of Columbian Paper

Columbian paper, also known as Colombian bond paper, was first produced in the United States by the Columbia Paper Company. It gained popularity due to its high quality and durability.

2: Unique Composition

Columbian paper is made from a blend of cotton and linen fibers, which gives it exceptional strength and resistance to tearing. This composition makes it ideal for important documents such as legal papers and certificates.

3: Watermark Tradition

Columbian paper often features a distinctive watermark that indicates its authenticity. These watermarks are created during the manufacturing process by impressing a design onto the wet paper pulp.

4: Preferred by Diplomats

Due to its high quality and reputation, Columbian paper has been traditionally favored by diplomats for official correspondence. Its smooth surface allows for easy writing with ink pens or quills.

5: Historical Significance

Columbian bond paper played a significant role in American history. It was used for important documents like the United States Constitution, Declaration of Independence, and various historical manuscripts.

6: Longevity and Preservation

The cotton-linen blend used in Columbian paper contributes to its longevity. When stored properly, documents printed on this type of paper can last for centuries without significant deterioration.

7: Environmental Impact

Columbian bond paper is considered an eco-friendly choice compared to other types of papers because it is made from renewable resources like cotton and linen fibers rather than wood pulp.

8: Versatile Usage

Aside from official documents, Columbian paper is also used for various applications such as letterheads, business cards, resumes, and high-quality stationery. Its elegant appearance adds a touch of sophistication.

9: Global Recognition

Columbian paper has gained international recognition for its exceptional quality. It is often exported to different countries around the world to meet the demand for premium writing and printing materials.

10: Modern Availability

Although the Columbia Paper Company no longer exists, Columbian paper is still produced by other manufacturers today. It continues to be a popular choice for those seeking durable and prestigious paper products.