A4 format in pixel

To obtain a photo of the size of an A4 paper, it is important to take into account the resolution of the image, which is expressed in [DPI]. In order to ensure that the dimensions obtained will be those of A4 paper.

What are the dimensions of the A4 format ?

Classified in 5th position, after the A0, A1, A2, A3, of the format range A which is a standard format, defined by the ISO 216 standard, the format A4 designates the format of the paper that is commonly used. Expressed in CM in many European countries, this same paper format exists in Anglo-Saxon countries but the Dimensions of A4 express themselves. As for those who wish to print photos in Size A4, Better to know the equivalence of the A4 format in pixels, to facilitate the layout. To find information about the printing of your documents in A4 format, consult our A4 printing guide.

A4 format in cm

Because the A4 format is part of the A range, we can expect the relationship between its length and its width gives, in accordance with the ratio established by Professor Lichtenberg, towards the end of the 18th century. Its centimeter dimensions of 210 mm x 297 mm give a printable surface of 625 cm² or 0.062m². In principle, the surface of the A4 format, is worth half that of the A3 format, but it is double the A5. By dividing the length of the A3 format by 2, we obtain the width of the A4 which is 210 mm. Similarly, when you put side by side, following the length of 2 sheets of A5 format paper, we also find the dimensions of the A4 format. More details on the A4 format in cm.

A4 format in full

The series A paper formats are now used worldwide except for a few American states such as the United States, Canada and Mexico regions. But in the rest of the world which use the units of British imperial measures, the dimensions of the A4 are expressed in go. Know that the format of A4 in full is around 8.27 x 11.67 inches (or inches). A4 paper, even if expressed in the go keeps the ratio which characterizes the ratio between the length and width of the sheet, which means that it offers the same possibilities as for an A4 format expressed in cm.

A4 format in pixel

If you plan to print your images in A4 format, be aware that pixel values ​​in A4 format vary according to printing resolution. It is therefore important to properly define the resolution of the image, which is expressed in [DPI], to be able to ensure that the dimensions obtained will be those of A4 paper. For example, for an image with a resolution of 300 dpi, the A4 format is obtained with 2480 x 3508 pixels/inch. It is also possible for you to obtain in A4 format with an image in 200dpi with 1654 x 2339 pixels/inch. This is to tell you how the resolution of the image impacts on the dimensions of the photos and on the quality of the photos to print.

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A4 format in pixel

Do you know that A4 format is frequently used for printing photo books ? If you plan to create your own photo book in A4 format, it is better to know the equivalence of the A4 format in pixels, which varies according to the resolution of the image to print. To find out more, find out how to get A4 format in pixel. To discover the dimensions in other measures of your documents in A4 format, consult our page What are the dimensions of the A4 format ? .

How to get A4 format in pixel ?

If you plan to print your images in A4 format, be aware that pixel values ​​in A4 format vary according to image resolution.

Recall that the resolution of the image corresponds to the density of pixels which represent the number of points per inch (dot per inch in English or DPI).

To obtain a photo of the size of an A4 paper, it is important to take into account the resolution of the image, which is expressed in [DPI]. In order to ensure that the dimensions obtained will be those of A4 paper.

To obtain an image size corresponding to size A4 which is 21 cm x 29.7 cm, it is therefore necessary to convert, taking note that 2.54 cm is worth a thumb. Thus, it is necessary to make a small calculation which makes it possible to ensure that the dimensions obtained will really be those of the A4 paper. It sounds complicated but it’s doable.

Thus the pixels values ​​of the A4 format, differ according to the resolution of the image.

• To print in A4 format an image of 300 dpi, you need a size of 2480 x 3508 pixels/inch.
• To print in A4 format an image of 200 dpi, it takes a size of 1654 x 2339 pixels/inch.
• To print in A4 format an image of 100 dpi, you need a size of 827 x 1170 pixels/inch.
• To print in A4 format an image of 100 dpi, you need a size of 596 x 842 pixels/inch.

To ensure you obtaining the A4 format, after printing, it is important to remind you that you must be attentive to the correspondence between pixels, image size and resolution which is the basis of conversion. If the software used configures the size of the image in inches, it is important to note that the dimensions of the A4 format in the go of 11.69 x 16.54 inch also come into account.

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