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International Envelope Series



Belonging to the ISO 216 series, E7 is a unique paper size that holds its own significance. This standard, established by the International Organization for Standardization (ISO), ensures consistency in paper sizes globally. The E7 paper size, with dimensions of 75 x 105 millimeters or 2.95 x 4.13 inches, is part of this universal system.

What sets E7 apart is its aspect ratio - an intriguing characteristic rooted in the square root of two (√2). This ratio guarantees that when you cut or fold the sheet in half along its longest side, you retain two smaller sheets with identical proportions as the original. It's a feature that enhances usability and versatility across various applications.

E7 paper dimensions


View All International Envelope 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

The E7 size finds extensive use in specific contexts such as passport photos and small booklets due to its compact dimensions. Its small footprint makes it ideal for items requiring portability and convenience without compromising readability.

While not as commonly recognized as A4 or Letter sizes from ANSI series, understanding E7's unique properties can open up new possibilities for your printing needs. Whether it's crafting personalized invitations or designing pocket-sized brochures, E7 offers a distinctive choice that marries functionality with aesthetics.

While navigating through the world of paper sizes might seem daunting at first glance; understanding their underlying principles like those governing E7 can make this journey much more manageable and rewarding.

Other Formats in the International Envelope Series

Interesting facts about E7

E7 Paper: Weird and Interesting Facts

1. Unique Size: E7 paper is a lesser-known paper size that falls within the ISO 216 standard. It measures 105 mm × 74 mm, making it smaller than most commonly used paper sizes.

2. Rarely Used: E7 paper is not widely used in everyday printing or office settings. Its small size makes it more suitable for specialized applications such as miniature books, compact notes, or unique artistic projects.

3. Historical Origin: The E series of paper sizes was introduced by the German Institute for Standardization (DIN) in the early 20th century to provide a standardized system for paper dimensions across Europe.

4. Scaling System: The E series follows a scaling system where each consecutive size is obtained by halving the longer side of the previous size. For example, an A8 sheet can be created by halving an A7 sheet.

5. Relationship with A Series: The E series is closely related to the more commonly known A series of paper sizes. In fact, an E7 sheet has approximately the same area as an A6 sheet but with different proportions due to its elongated shape.

6. Niche Applications: Due to its compact size and unique dimensions, E7 paper finds niche applications in industries such as postage stamp production, collectible card games, or even certain types of medical documentation where space efficiency is crucial.

7. Limited Availability: Compared to other standard sizes like A4 or Letter, finding pre-cut E7 sheets might be challenging since they are not typically stocked by most commercial stationery suppliers or print shops.

8. Custom Cutting Required: If you require E7-sized sheets for your project, you may need to have them custom cut from larger paper stock or consider using a professional printing service that offers custom sizes.

9. International Variations: While the ISO 216 standard is widely adopted, it's worth noting that some countries, such as the United States and Canada, use different paper size standards (e.g., Letter or Legal), which do not include E7.

10. Artistic Possibilities: The unique dimensions of E7 paper can inspire creativity in artists and designers who enjoy working with unconventional formats. Its compactness can challenge traditional composition techniques and lead to innovative designs.