Skip to main content

Photographic Series



Belonging to the ISO 216 series, the 3R paper size is a globally recognized standard. This particular size, measuring 89 x 127 millimeters or approximately 3.5 x 5 inches, is commonly used for photographs and small-format printing applications.

The ISO (International Organization for Standardization) series was established to create a universal set of paper sizes. The inclusion of the 3R size in this series signifies its widespread acceptance and usage across various industries worldwide.

3R paper dimensions


View All Photographic 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

Interestingly, despite its compact dimensions, the versatility of the 3R paper size cannot be underestimated. It's an ideal choice for photo albums due to its convenient size that fits perfectly into standard album slots. Moreover, it's also favored by businesses for promotional materials like flyers and brochures because it's easy to handle and distribute.

In comparison with other sizes in the ANSI (American National Standards Institute) series such as Letter or Legal, which are more prevalent in North America, the smaller footprint of a 3R makes it more economical when considering printing costs.

Ultimately, whether you're preserving memories through photos or crafting compelling marketing materials, choosing a suitable paper size like the versatile and universally accepted 3R can significantly impact your project's success.

Other Formats in the Photographic Series

Interesting facts about 3R

1. The Origin of 3R Paper

3R paper is part of the ISO 216 standard series, which was first introduced in Europe in the 19th century. It was developed to provide a standardized system for paper sizes, making it easier for printers and consumers to choose the right size.

2. The Meaning Behind "3R"

The term "3R" refers to the dimensions of the paper. In this case, it measures approximately 89 mm x 127 mm (3.5 inches x 5 inches). The "R" stands for "rectangular," indicating that it is a rectangular-shaped paper size.

3. Popular Use in Photo Printing

One of the main applications of 3R paper is in photo printing. Its compact size makes it ideal for printing small photos or creating photo albums with multiple pictures on each page.

4. Compatibility with Standard Printers

Most standard printers can accommodate 3R paper without any issues, as it falls within the range of commonly supported sizes. This makes it convenient for home users who want to print their own photos or create personalized cards.

5. Commonly Used in Southeast Asia

In many countries across Southeast Asia, such as Malaysia and Singapore, 3R paper is widely used for various purposes including photo printing and creating event invitations or greeting cards.

6. Versatility in Craft Projects

The small size and flexibility of 3R paper make it popular among craft enthusiasts who use it for origami, scrapbooking, and other creative projects where smaller dimensions are desired.

7. Availability in Different Paper Types

You can find 3R paper in various types, including glossy, matte, and textured finishes. This allows users to choose the right paper type based on their specific printing needs and desired aesthetic appeal.

8. Easy to Handle and Store

Due to its compact size, 3R paper is easy to handle and store. It takes up less space compared to larger paper sizes, making it convenient for organizing photos or carrying them in wallets or small albums.

9. Cost-Effective Option

Compared to larger photo print sizes, 3R paper is generally more cost-effective. It allows users to print multiple smaller photos on a single sheet, reducing overall printing costs while still maintaining good quality.

10. International Recognition

The ISO 216 standard series that includes 3R paper has gained international recognition and adoption by many countries worldwide. This ensures compatibility and ease of use across different regions when it comes to printing documents or photos.