US Envelope Series
A-7
Belonging to the ISO 216 standard, the A-7 paper size is a unique and versatile format. This international standard, recognized globally, ensures consistency in paper sizes across different countries and industries. The A-7 size is part of the A-series that follows a logical and practical system based on a simple aspect ratio of √2:1.
The dimensions of an A-7 sheet are 74 x 105 millimeters or 2.91 x 4.13 inches, making it compact yet functional for various applications. Its small size makes it ideal for creating pocket-sized notebooks, small leaflets, or personal invitations.
A-7 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 |
One fascinating aspect of the A-series is its scalability. If you fold an A-7 sheet in half along its shortest side, you'll get an even smaller format known as A-8. Conversely, if you combine two A-7 sheets side by side along their longest edge, you'll create an A-6 format.
While not as commonly used as its larger counterparts like the ubiquitous A4 or letterhead-friendly A5, the versatility of the compact yet functional A-7 should not be underestimated in both professional and creative settings.
Whether your needs are commercial or personal - from business cards to wedding invitations - understanding and utilizing this unique paper size can add a touch of sophistication and practicality to your printed materials.
Other Formats in the US Envelope Series
Interesting facts about A-7
1: A-7 Paper Size
A-7 paper is part of the ISO 216 standard series, which defines the sizes of paper used globally. It measures 74 x 105 millimeters or approximately 2.9 x 4.1 inches.
2: Envelope Compatibility
A-7 paper is commonly used for creating envelopes that can fit greeting cards, invitations, and small notes. Its compact size makes it ideal for personal correspondence.
3: European Origin
The ISO paper size system originated in Europe during the early twentieth century as a means to standardize paper sizes across countries and industries.
4: Aspect Ratio
The aspect ratio of A-7 paper is approximately equal to the square root of two (√2). This unique ratio allows for easy scaling and resizing without altering the proportions of the original document.
5: Versatile Usage
A-7 paper finds applications beyond envelopes and notes. It can be used for creating small flyers, brochures, business cards, or even as a base for intricate origami designs.
6: Historical Significance
The A-series paper sizes were first introduced by Germany in the early twentieth century under DIN (Deutsches Institut für Normung) standards. The system was later adopted by other countries worldwide.
7: Scaling Possibilities
If you fold an A-7 sheet in half along its longer side, you get an A-8 size; folding it again gives you an A-9 size. This pattern continues throughout the entire ISO series.
8: Commonly Used in Stationery
A-7 paper is a popular choice for stationery items such as notepads, memo pads, and sticky notes due to its convenient size and ease of use.
9: A-7 Envelope Dimensions
The standard envelope size for A-7 paper is known as the Baronial envelope. It typically measures around 5.25 x 7.25 inches or approximately 133 x 184 millimeters.
10: International Recognition
The ISO paper sizes, including A-7, are recognized and widely used in countries across the globe, making them essential for international printing and document exchange.
