Ever found yourself in need of a specific paper size, only to be met with a sea of confusing measurements and names? You're not alone. Today, we're demystifying a common paper size: what exactly is 8.5 x 13 paper called?

First, let's briefly talk about paper sizes. You're likely familiar with Letter (8.5 x 11 inches) and Legal (8.5 x 14 inches) sizes, which are standard in the U.S. But what about that in-between size, 8.5 x 13 inches? Is it another peculiar American quirk, or does it have a broader use?

Understanding 8.5 x 13 Paper
In the world of paper sizes, 8.5 x 13 inches is part of the standard U.S. Letter size series, which includes sizes like Ledger (11 x 17 inches) and Arch (9 x 12 inches). The 8.5 x 13 inch size is often referred to as a Super Legal size, as it lies between the standard Legal and larger sizes.

However, it's not just a U.S. phenomenon. This paper size also has international applications. In some countries, notably Australia and New Zealand, this size is known as A3 Extra or B3 extra paper. Let's delve into these international connections.
International Names and Variants

In Australia and New Zealand, paper sizes adhere to the ISO 216 standard, which introduced an extension to the A and B series. The 8.5 x 13 inch size falls into this extended range as A3 Extra or B3 Extra. This size is also used in some European countries for specific applications, such as large maps or posters.
It's essential to note that while the international versions may have different names, their dimensions remain the same. This universal size allows for global cooperation, especially in the digital realm, where printing standards have become more harmonized.
Back in the U.S., this size is commonly known as Super Legal, as it retains the 8.5-inch width of both Letter and Legal sizes but extends the length to 13 inches. This size is often used for applications where a bit more height is needed, such as posters, presentations, or large newsletters.

In the digital world, many software programs, including Microsoft Office, accommodate this size, further cementing its place in modern usage. However, it's crucial to double-check your printer settings if you're working with Super Legal sized documents to ensure they print at the correct size.
Applications of 8.5 x 13 Paper
Now that we've established what 8.5 x 13 paper is called let's explore its various uses. As mentioned earlier, this size is perfect for posters, presentations, and large printed materials. But its applications extend beyond these common uses.

In the printing industry, 8.5 x 13 paper is used for large postcards, greeting cards, and album covers. It's also a popular size for photo printing, with many photographers opting for this size to showcase their work in exhibitions or portfolios.
Posters and Charts









One of the primary uses of 8.5 x 13 paper is for posters and charts. Whether you're creating a school project, an office presentation, or a marketing campaign, this size offers enough space for vibrant illustrations and detailed information without monopolizing wall space.
Many poster printers and art supply stores carry this size, making it easy to find and affordable to produce in small or large quantities. For DIY enthusiasts, printing posters at home is also feasible with access to the right paper and printer settings.
Brochures and Large Newsletters
Another common application of 8.5 x 13 paper is in the production of pamphlets, brochures, and large newsletters. This size can be folded into a tri-fold or double-fold format, providing ample space for information while preserving a compact, easy-to-handle format.
For businesses, this size offers an excellent opportunity to create engaging marketing materials that stand out from the typical 8.5 x 11 inch trifold brochure.
Embracing the 8.5 x 13 paper size opens up a world of possibilities, from creative presentations to informative posters. As you've discovered, this size goes by several names, but its versatility remains consistent. So, the next time you're in need of a larger-than-average paper size, consider reaching for the Super Legal, A3 Extra, or B3 Extra. You just might uncover a new favorite for your projects.