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US Envelope Series



Belonging to the ISO 216 standard, A-6 paper size is a versatile and widely used format in various professional and personal contexts. This international standard, adopted by most countries worldwide, ensures consistency in paper sizes across different regions and industries.

The dimensions of an A-6 sheet are 105 x 148 millimeters or 4.13 x 5.83 inches. This compact size makes it ideal for postcards, booklets, flyers, and invitations. Its small footprint allows for easy distribution and storage while still providing ample space for impactful design and text.

A-6 paper dimensions


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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, the A-6 paper size is part of a logical set of sizes defined by the ISO standard. The aspect ratio remains constant when you fold or cut an A-series sheet in half parallel to its shorter sides - a unique feature that enhances its versatility.

While not as commonly used in North America due to the prevalence of the ANSI series there, A-6 has gained significant traction globally due to its adaptability across various applications. Its popularity underscores the importance of understanding international standards when creating materials intended for global audiences.

Whether you're crafting a compelling marketing flyer or designing an elegant invitation card, the A-6 paper size offers a perfect balance between space efficiency and usability - making it an excellent choice for diverse needs.

Other Formats in the US Envelope Series

Interesting facts about A-6

1: A-6 Paper Size

A-6 paper is part of the ISO 216 standard, which defines the sizes of paper used globally. It measures 105 mm × 148 mm or approximately 4.1 inches × 5.8 inches.

2: Half the Size of A5

The A-6 size is exactly half the size of A5 paper and one-quarter the size of A4 paper, making it a convenient option for creating smaller documents or cards.

3: Commonly Used for Postcards

A-6 paper is commonly used for postcards due to its compact size. It provides enough space to write a message while still being small enough to fit in standard envelopes.

4: Popular Choice for Invitations

Due to its compact and elegant dimensions, A-6 paper is often chosen for invitations, especially for events like weddings or parties where a slightly larger format than traditional postcards is desired.

5: Compatible with C6 Envelopes

A-6 paper fits perfectly into C6 envelopes, which are designed specifically to accommodate this particular size. This compatibility makes it easier to find suitable envelopes for mailing purposes.

6: Historical Origins

The ISO paper sizes were first introduced in Germany in the early twentieth century and later adopted by many countries worldwide as a standardized system for efficient printing and document handling.

7: Aspect Ratio Consistency

An interesting aspect of ISO paper sizes is that they all maintain an aspect ratio of √2 (approximately equal to 1.414). This allows easy scaling between sizes without altering the proportions of the original document.

8: A-6 in Other Countries

While A-6 is widely recognized and used in many countries, some nations have their own unique paper size standards. For example, Japan has its own JIS paper sizes, where A6 measures 105 mm × 148 mm as well.

9: Variations in Thickness

A-6 paper can come in various thicknesses or weights, ranging from lightweight options suitable for printing documents to heavier cardstock often used for creating high-quality invitations or postcards.

10: Environmental Considerations

When choosing A-6 paper or any other type of paper, it's important to consider its environmental impact. Opting for recycled or sustainably sourced papers helps reduce deforestation and promotes eco-friendly practices within the printing industry.