We all use papers for doing different things but have you ever thought about their sizes, why there are different sizes, dimensions of paper? What do they actually mean? You must have seen packs of computer paper having different sizes of paper. Have you ever come across a thought about why there are different sizes of papers available?
The A-class is the most used paper as it has correct ratios which means these papers can be folded in half so perfectly to make the next smallest size.
The most common as well as convenient sizes are A2, A3, A4. Do you have questions like how large is A2 exactly, is A3 bigger than A4?. If yes, then you have opened the right article as you will get all your answers in this post. Just scroll down and know everything about A2, A3 & A4 paper sizes, dimensions. We assure you will never get confused by the sizes of the paper again after reading our article.
ISO 216 standard has defined the dimensions of A series paper sizes. Let’s understand the sizes with the help of the table below:
|
Paper |
mm |
cm |
inches |
|
A0 |
841 x 1189 mm |
84.1 x 118.9 cm |
33.1 x 46.8 inches |
|
A1 |
594 x 841 mm |
59.4 x 84.1 cm |
23.4 x 33.1 inches |
|
A2 |
420 x 594 mm |
42 x 59.4 cm |
16.5 x 23.4 inches |
|
A3 |
297 x 420 mm |
29.7 x 42 cm |
11.7 x 16.5 inches |
|
A4 |
210 x 297 mm |
21 x 29.7 cm |
8.3 x 11.7 inches |
|
A5 |
148.5 x 210 mm |
14.85 x 210cm |
5.8 x 8.3 inches |
|
A6 |
105 x 148.5 mm |
10.5 x 14.85 cm |
4.1 x 5.8 inches |
|
A7 |
74 x 105 mm |
7.4 x 10.5 cm |
2.9 x 4.1 inches |
|
A8 |
52 x 74 mm |
5.2 x 7.4 cm |
2.0 x 2.9 inches |
|
A9 |
37 x 52 mm |
3.7 x 5.2 cm |
1.5 x 2.0 inches |
|
A10 |
26 x 37 mm |
2.6 x 3.7 cm |
1.0 x 1.5 inches |
A2 Size Paper: Size, Dimensions, and Uses
This is the biggest A Paper format and is measured twice as A3. Because this paper is used for architectural drawings, diagrams and medium-sized posters, the printer used here is very expensive. It is part of a range of page sizes called ISO 216 standard.
The measurement of an A2 paper is 420 x 594 mm i.e. 42×59.4 cm. When you cut it in the half, it creates two A3 papers. It can also fit into an envelope of C2. when you fold A2 in half, it can fit into the C3 envelope. A2 size in inch is 16.5 x 23.4 inches
A2 Size Picture Resolution
In order to see an image properly, there is a minimum resolution needed. At 300 PPI, the picture should be 4960×7016 pixels. This resolution is required for printing that can be viewed by books, blueprint, magazines, brochures, menu, calendars etc.
For images, somewhat 200 to 220 DPI is required for good pictures. A point to note is that AZ paper printings are done on a single side only.
At 150 pixels per inch, the pictures should be 2480 x 3508 pixels. It is the minimum resolution required for posters, newspapers, or from a thing that can be viewed from a short distance.
A good digital camera with a resolution of 16 megapixels or more is used to print good quality A2 size images because these images are seen from a larger distance.
What is A3 Size Paper?
When you cut an A3 paper, it creates two A4 papers. It can fit into a C3 envelope. This is used for drawings, large tables, diagrams. A3 measures 11.69 × 16.54 inches. A3 is a range of page sizes called ISO 216 standard.
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A3 Size Picture Resolution
In order to get a good image, there is a requirement of minimum resolution.
At 300 PPI, the image should be 3508 x 4961 pixels. This resolution is required for printing that can be viewed by books, blueprints, magazines, brochures, menus, calendars, etc.
At 150 pixels per inch, the image should be 1754 x 2480 pixels. It is the minimum resolution required for posters, newspapers, or from a thing that can be seen from a short distance.
There is a need of having a decent digital camera with a 12 megapixels resolution or more to print better quality A3 size pictures because these images are seen from a larger distance. You can also use a camera with 8 megapixels as it can also offer a decent quality.
A4 Paper Size Paper
This paper size is used for documents including letters, catalogs, formtas, and magazines. 8.3 x 11.7 is A4 size in inches. When you fold an A4 sheet, it can fit in a C6 envelope.
A4 Paper Size Picture Resolution
At 300 PPI, the image has to be 2480×3508 pixels. This resolution is needed for printing that can be seen by books, blueprints, magazines, brochures, menus, calendars etc.
At 150 pixels per inch, the image should be 1240×1754. It is the minimum resolution needed for posters, newspapers or from a thing that can be seen from a short distance.
A good digital camera with 8 megapixels camera can be used to print good quality A4 size images.
A3 vs A4 Major Difference between the Two Paper Sizes
A3 and A4 have widely used papers all around the world. The main difference between these two paper sizes is the dimension. A3 size is equal to two A4 paper sheets.
- A4 is used for all official computer printouts, letters, and documents, this is under the standard of ISO, so matter in which part of the world you are, you can ask for this size of paper without getting confused.
- A3 size sheets are considered great for presentations, brochures, advertising documents because they have more space which gives a good printout of pictures.
Frequently asked Questions
Q1 What is the Standard Paper Size?
Standard size papers like ISO A4 are used by people all over the world. A4 is under the standard of ISO, so no matter which part of the world you are in, you can ask for this size of paper without getting confused.
Q2 How Many Standard Paper Series are There?
Apart from A size paper, ISO 219 includes a B-Series and C-Series also. They are wider than A size paper sheets.
Q3 What is PPI?
The full form of PPI is the Pixel per inch. It is used to refer to pixel density or display resolution of a computer screen.
Final Words
We have gathered all possible information about A2, A3 & A4 Paper Size. Now, you might have understood that there is a lot that you didn’t know about papers. Sizes of paper matter a lot because it affects many things from binders to documents. We hope you are satisfied with the information we have provided in our post. If yes, then do visit our website to find more such articles.
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