Photographic Series
5R
Belonging to the ISO A series, the 5R paper size is a popular choice for various applications. This specific size, measuring 127mm x 178mm (or approximately 5 inches x 7 inches), is often utilized in photography and printing industries due to its ideal dimensions for showcasing visual content.
The ISO A series, which includes the 5R paper size, is internationally recognized and adheres to a logical system based on a consistent aspect ratio of √2. This unique aspect ratio allows for seamless scaling between sizes within the series without distortion or loss of content.
5R paper dimensions
Specs
| Format | in | mm | cm | pt |
|---|---|---|---|---|
| 2A0 | 46.81 x 66.22 | 1189 x 1682 | 119 x 168 | 3370 x 4768 |
| A12 | 0.51 x 0.71 | 13 x 18 | 1 x 2 | 37 x 51 |
| 4A0 | 66.22 x 93.62 | 1682 x 2378 | 168 x 238 | 4768 x 6741 |
| A11 | 0.71 x 1.02 | 18 x 26 | 2 x 3 | 51 x 74 |
| A10 | 1.02 x 1.46 | 26 x 37 | 3 x 4 | 74 x 105 |
| A3+ | 12.95 x 19.02 | 329 x 483 | 33 x 48 | 933 x 1369 |
| A1+ | 23.98 x 35.98 | 609 x 914 | 61 x 91 | 1726 x 2591 |
| A0+ | 35.98 x 50.87 | 914 x 1292 | 91 x 129 | 2591 x 3662 |
| A6 | 4.13 x 5.83 | 105 x 148 | 11 x 15 | 298 x 420 |
| A5 | 5.83 x 8.27 | 148 x 210 | 15 x 21 | 420 x 595 |
| A4 | 8.27 x 11.69 | 210 x 297 | 21 x 30 | 595 x 842 |
| A3 | 11.69 x 16.54 | 297 x 420 | 30 x 42 | 842 x 1191 |
| A9 | 1.46 x 2.05 | 37 x 52 | 4 x 5 | 105 x 147 |
| A2 | 16.54 x 23.39 | 420 x 594 | 42 x 59 | 1191 x 1684 |
| A8 | 2.05 x 2.91 | 52 x 74 | 5 x 7 | 147 x 210 |
| A1 | 23.39 x 33.11 | 594 x 841 | 59 x 84 | 1684 x 2384 |
| A7 | 2.91 x 4.13 | 74 x 105 | 7 x 11 | 210 x 298 |
| A0 | 33.11 x 46.81 | 841 x 1189 | 84 x 119 | 2384 x 3370 |
Interestingly, despite being part of an international standard, the use of the term '5R' is more prevalent in Asian countries such as Japan and South Korea. In contrast, Western countries typically refer to this size as 'A5'.
Furthermore, it's worth noting that while ANSI standards are more commonly used in North America for traditional paper sizes (like Letter or Legal), they do not have an equivalent for the 5R size. This further emphasizes its unique position within global printing standards.
Whether you're looking to print high-quality photographs or create compact marketing materials with maximum impact, understanding and utilizing the versatile 5R paper size can be a game-changer in your endeavors.
Other Formats in the Photographic Series
Interesting facts about 5R
1. The Origin of 5R Paper
5R paper is part of the ISO 216 standard series, which was first introduced in Europe in the 19th century. It is commonly used for printing photographs and measures approximately 5 inches by 7 inches or 127 mm by 178 mm.
2. The "R" in 5R Paper
The "R" in 5R paper stands for "regular." This term was initially used to differentiate it from other non-standard paper sizes, such as panoramic or square formats.
3. International Variations
While the dimensions of 5R paper are relatively consistent across countries, there can be slight variations due to regional preferences and manufacturing processes. These differences are usually minimal and do not affect compatibility with standard photo frames or albums.
4. Popular Use in Photography
Due to its convenient size, many photographers prefer using 5R paper for printing their photos. It provides a good balance between being compact enough for easy handling and large enough to showcase details without losing clarity.
5. Compatibility with Standard Photo Frames
The dimensions of 5R paper make it compatible with standard photo frames designed for this size worldwide. This makes it easier for users to find suitable frames without needing custom-made options.
6. Historical Evolution of Paper Sizes
Paper sizes have evolved over time based on various factors such as practicality, efficiency, and cultural influences. The ISO A-series (including A0, A1, A2) is widely used globally today but has its roots in German DIN standards introduced during the early twentieth century.
7. The Golden Ratio Connection
The ISO 216 standard series, which includes 5R paper, is based on the concept of the golden ratio. The ratio between the longer and shorter sides of each paper size in this series is approximately 1.414, which is close to the mathematical value of the golden ratio.
8. Global Acceptance
The ISO 216 standard series has gained widespread acceptance worldwide, making it easier for businesses and individuals to communicate and share printed materials across different countries without worrying about incompatible paper sizes.
9. A Paper Size for Every Need
The ISO 216 standard series provides a wide range of paper sizes suitable for various purposes. From large format posters (A0) to small notepads (A7), these standardized sizes ensure consistency and ease of use in printing and design industries.
10. Environmental Considerations
Paper manufacturers are increasingly focusing on sustainability by using recycled materials or sourcing from responsibly managed forests. Choosing eco-friendly options when printing on 5R paper helps reduce environmental impact while still enjoying its practical benefits.
