What size is an A4?
A4 is the most-used paper size. An A4 sheet has a width of 21 centimeters and a height of 29,7 centimeters. It is the size that you usually open your Microsoft Word or Google Docs files in, and the size that home printers generally use. Keep in mind that depending on your computer settings, you might also be working in the US Letter format, which is 21,59x27,94 cm.
A4 size in millimeters, centimeters, and inches
Below you can find an overview of A4 size in three different units of measurement.
Paper size | millimeter | centimeter | inches |
A4 paper | 210 x 297 mm | 21 x 29,7 cm | 8,3 x 11,7 inch |
A4 size in pixels
Below you can find an overview of the A4 size in pixels for three different resolutions. The resolutions are expressed in ppi: pixels per inch.
Resolution | 300 ppi | 100 ppi | 72 ppi |
| A4 papier | 3508 x 2480 pixels | 1169 x 827 pixels | 842 x 595 pixels |
A4 compared to other paper sizes
A4 is the best-known A-size. All paper sizes in the A-series have a length-width ratio of √2:1. In other words: every A-size is half the size of the next larger A-size. For example, an A4 is half the size of an A3. Folding an A3 down the middle gives you an A4. Similarly, two sheets of A5 paper have the same size as one A4.
Bekijk populaire productenUses for A4 size paper
As the most common paper size, A4 is used for many products. The most popular products for which we use A4 paper at Print&Bind are:
Flyers
Small posters
Brochures
Magazines
Books
Readers
Dissertations
Paper types for A4
A4 is a popular size for printing text documents such as books, readers, sales reports, or dissertations. For such products, it is not always necessary to use a firm or luxury paper type. As a result, we often see customers choosing 80, 90, or 100 grams paper for such prints.
Ecological and Luxury A4 paper types
Our 80 grams paper is the most sustainable choice. We use Paperwise paper, which is made from agricultural waste. Our 90 grams Roman paper is a warm, white paper type that is very nice to read from. 160 grams Extra Firm paper is a great choice for A4 prints that need a more luxurious appearance. As this paper is quite sturdy, it is a great choice for prints that need to last for a while. Of course, we can also print your A4-size prints on heavier paper types. Flyers, posters, certificates, or brochures are some examples of prints on A4 that might require a sturdier or fancier paper type.
Paper weights for A4 sheets
The weight of paper is expressed in grams per square meter. People often speak of, for example, "100 grams paper". The more grams, the thicker and heavier the paper. A0 size is equal to one square meter. Knowing this, as well as how the sizes in the A-series relate to each other (A4 is 1/16th of an A0), we can easily calculate the weight of one A4 sheet. Below you can find a table with the weights of an A4 sheet for the different paper types
Paper type | Weight of an A4 sheet |
80 grams standard | 5,00 gram |
90 grams roman biotop | 5,63 gram |
100 grams firm | 6,25 gram |
160 grams extra firm | 10,00 gram |
170 grams glossy | 10,63 gram |
190 grams satin | 11,88 gram |
250 grams very firm | 15,63 gram |
300 grams natural card | 18,75 gram |
350 grams card | 21,88 gram |
Overview of all sizes in the A-series
