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International Envelope Series



Belonging to the ISO 216 series, E5 paper size is a unique and often overlooked member of the international standard paper sizes. This series, recognized globally except in North America where the ANSI series reigns supreme, is based on an aspect ratio of √2, ensuring that two sheets of the next smaller size placed side by side are equal to one sheet of the larger size.

The E5 paper size measures 155 x 220 millimeters or 6.1 x 8.7 inches. This makes it a versatile choice for various applications such as booklets, flyers, and brochures. Its dimensions are precisely half those of an E4 sheet and double those of an E6 sheet - a testament to the ingenious design principle behind ISO 216.

E5 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

Interestingly enough, despite its standardized dimensions under ISO 216, E5 isn't as commonly used as its A-series counterparts like A4 or A3. However, this doesn't diminish its value in specific contexts where its unique proportions can be leveraged for maximum impact.

While it may not be your first thought when considering paper sizes for your project needs, don't overlook the potential benefits that E5 can offer. Its distinctive dimensions could provide just the right balance between space and portability you're seeking.

Other Formats in the International Envelope Series

Interesting facts about E5

E5 Paper: Weird and Interesting Facts

1. E5 paper is not a standard paper size in the ISO 216 series. It is actually an uncommon size that falls between A5 and A4.

2. The dimensions of E5 paper are 155 mm × 220 mm, making it slightly larger than A5 (148 mm × 210 mm) but smaller than A4 (210 mm × 297 mm).

3. E5 paper is primarily used in Japan, where it is commonly known as "JIS B6" or "Kiku" size.

4. The name "E5" comes from the Japanese term "E-size," which refers to sizes that are slightly larger than their corresponding A-sizes.

5. Despite its limited usage, E5 paper can be found in various stationery stores and online retailers catering to international customers who prefer non-standard sizes.