A4 size paper is one of the most widely used types of paper. A4 paper dimensions are ideal for use in documents. So it’s only natural that it is widely used in the world of education and also the world of work.
Well, if you often struggle with documents, knowing the A4 paper size is one of the things that must be mastered. Also, ideally you also know the A4 dimensions in the different types of measurement metrics.
A4 . Paper Size Dimension Table
| Paper Dimensions | MM | CM | INCH |
| A4 | 210mm x 297mm | 21.0cm x 29.7cm | 8.27 in x 11.69 in |
A4 Paper Size In CM
A4 paper size in centimeters is 21 cm x 29.7 cm.

A4 Paper Size In MM
A4 paper size in millimeters is 210 mm x 297 mm.



A4 Size In Inches
A4 size in inches is 8.27 in x 11.69 in.



See also: Full F4 paper size
Pixel Size A4
The A4 pixel size is slightly different in measurement compared to other metrics. The size of the A4 size in pixels depends on the PPI setting you use as well.
For the record, PPI stands for Pixels Per Inch. This is a unit that indicates the number of pixels in one square inch.
To make it easier, please check the comparison table below.
A4 . paper pixel size table
| Paper size | Wide | Tall |
| A4 – 72 PPI | 595 px | 842 px |
| A4 – 96 PPI | 794 px | 1123 px |
| A4 – 150 PPI | 1240 px | 1754 px |
| A4 – 200 PPI | 1654 px | 2339 px |
| A4 – 300 PPI | 2480 px | 3508 px |
| A4 – 400 PPI | 3307 px | 4677 px |
| A4 – 600 PPI | 4961 px | 7016 px |
| A4 – 720 PPI | 5953 px | 8419 px |
| A4 – 1200 PPI | 9921 px | 14031 px |
| A4 – 1440 PPI | 11906 px | 16838 px |
| A4 – 2400 PPI | 19843 px | 28063 px |
| A4 – 2880 PPI | 23811 px | 33676 px |
See: A3 paper size
How to Set A4 Paper Size in Photoshop
Sometimes you need to make an image or brochure in Photoshop with A4 size. Then how to set the A4 dimension in Photoshop?
It’s quite easy. Please just follow the steps below:
- Click the file menu in the upper right corner
- Then click the New menu.
- Then click the Preset menu, then select the International Paper menu.
- In the dropdown in the Size column, select A4 size.
- You can also enter the A4 size directly in the column provided below.
- When finished, please click the OK button
A4 settings or settings in Photoshop can vary, depending on the version of Photoshop you are using.
If in your Photoshop program there is no direct A4 option, you can choose custom and then manually fill in the dimensions in the provided column. Use the sizes provided in this article to fill the menu there.
Also read: A5 paper size
How to Set A4 Paper Size on Picsart
To adjust the size of the poster or image in the Picsart application to fit the dimensions of A4 paper, the method is quite easy.
The units in Picsart are pixels. So you can input or input the A4 pixel size above in the custom menu on Picsart. The method is as follows:
- Open the Picsart application.
- On the canvas image size menu, please look for the custom menu.
- Then enter the A4 pixel size above there. Choose according to the PPI you want to use.
How to Set A4 Paper Size in Word
As one of the most popular types of paper used, of course we must know how to set A4 paper in Microsoft Word. The method is very simple, you can just follow the steps below.
- Open the document in Word for which you want to set the size.
- Click the layout menu.
- Then click the Size menu, a dropdown menu of paper options will appear that you can use.
- Click on option A4.
- Finished.
Please look at the screenshot below for more clarity.



See: A1 paper size
Unique Information About A4 Paper
The following is some light and unique information about A4 paper;
1. International Standard Size
Initially, this paper dimension was only used in English-speaking countries such as America, England, Australia, and so on.
But now it has become a commonly used measure everywhere. Including in Indonesia too.
2. Half The Size Of A3
The dimensions of A4 are half that of A3 paper. So if it’s an emergency and really needed, you can just use A3 paper which is divided in half to be used in A4 format.
3. Half Size A4 Equals A5
If we divide A4 paper in half, then the size will be the same as A5 size paper. So, you can also use this as a trick if you need A5 paper for certain purposes, but you don’t have it in stock.
See: A2 . paper size
So we made this information, hopefully this article can be useful for you.
