Complete A3 Paper Size Guide for Digital Printing!

What is the A3 paper size for digital printing? Relax, Jaka has a complete guide with comparisons to other measurements!

If you are someone who often struggles with design, you are definitely familiar with the name paper sizes.

There are many types of paper that can be used according to your needs.

One of the most often used for digital printing is A3 paper size . But do you know how wide and long A3 paper actually is?

Instead of being confused, let’s listen to Jaka’s explanation about A3 paper size!

Series A paper

For information, A3 paper is one type of paper set , which is one of the standards for paper sizes.

According to ISO (216), the ratio between the length and width of A paper is one to one root two (1.4142).

In batch A, the main benchmark paper is A0 paper , which has an area equivalent to one square meter.

Now from this A0 paper to take the next size that is A1 take it from half of the A0 paper.

A2 paper still has half the space of A1 paper, A3 is half the paper size of A2 paper, and so on until it reaches the smallest size (A10).

A3 size paper

A3 size paper is often found when we are in school, especially if in the past you needed to use A3 picture books in art or culture.

Although often used as the size of a large sketchbook, A3 paper also has many other functions, such as printing large posters.

How big is A3 paper?

In millimeters, A3 paper measures 297 x 420 millimeters, while in inches it measures 11.7 x 16.5 inches.

For more complete sizes, you can check the table below!

mm.297 x 420
cm29.7 x 42
m.0.3 x 0.4
finger11.7 x 16.5
pt (points)842 x 1190.7
pc (picas)70.2 x 99.2
px @ 300ppi3508 x 4961

Compare A series paper sizes

So how does A3 paper compare to other A series papers?

As explained above, the size of a series paper is always given as half of the size of one of them.

The length of an A3 paper is half the width of an A2 paper, while the width of an A3 paper is equal to the length of an A2 paper.

For more complete comparison information, you can check the table below: Yes, Jaka uses millimeters and inches for your convenience.

A0841 x 118933.11 x 46.81
A1594 x 84123.39 x 39.11
A2420 x 59416.54 x 23.39
A3297 x 42011.69 x 16.54
A4210 x 2978.27 x 11.69
A5148 x 2105.83 x 8.27
A6105 x 1484.13 x 5.83
A774 x 1052.91 x 4.13
A8522.05 x 2.91
A937 x 521.46 x 2.05
A1026 x 371.02, 1.46

Difference between A3 and A3+ size

Maybe you have heard of a kind of paper named as A3 +, then what is the difference between the normal A3 size?

A3+ is not an official paper size used as an international standard like A3. This type of A3+ paper is usually used for printing needs.

The only difference between A3 and A3+ paper is the length and width of the paper. For comparison, you can see in the table below in millimeters.

A3297 x 420
A3 +328 x 483

There he is, a description gang of A3 paper sizes from Jaka. Actually, there are many other paper sets such as set B and set C, but the most common one is set A!

So now you don’t need to be confused anymore if you want to print A3 size posters. Hope this article was helpful for you!

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