| Paper Size | Inches | Millimeters |
|---|---|---|
| A4 | 8-1/4 x 11-3/4 in | 210 x 297 mm |
| A5 | 5-7/8 x 8-1/4 in | 148 x 210 mm |
| A6 | 4-1/8 x 5-7/8 in | 105 x 148 mm |
| A7 | 2-15/16 x 4-1/8 in | 74 x 105 mm |
What is the A4 standard?
A4 is part of a set or range of page sizes, called the ISO A or ISO 216 standard. This international standard is based on the German DIN 476 standard from 1922. A4 is actually often referred to as DIN A4. The Japanese have adopted the same range of paper sizes in their JIS P 0138-61 standard. ISO 216. By folding an A4 in two along its shortest ...
How many pixels are needed to make an A4?
The number of pixels depends on the required output quality. At 300 ppi (pixels per inch) an A4-sized image needs to contain 2480 × 3508 pixels.
What is A4 paper?
A4. A4 is a paper size that is used for a wide range of documents, including magazines, catalogs, letters and forms.
A4 in pixels
A4 paper size in pixels with a resolution of 72 PPI is 595 x 842 px. Screens and monitors usually use 72 PPI
A4 size in pixels converter
https://www.papersizes.org/a-sizes-in-pixels.htm - here you can find a nice function for checking out different papers in various pixel resolution.
What is the length of A4?
Remember, the length of the smaller size is always equal to the width of the larger size. For example, the length of A4 is 297mm which is also the width of A3. To many people wordwide, excluding North America and Canada, the most familiar paper size size is A4 ...
What is the width to height ratio of A4 paper?
With A sized paper, however many times you double the short edge or half the long edge, it will always have the same width to height ratio. For example, the dimensions of A4 paper are 210x297mm, and half of A4 equals A5, and double A4 equals A3.
What is the size of paper in the UK?
The range begins with tiny A10 (37mm x 26mm) and goes all the way through to the mighty A0 (1189mm x 841mm).
What is the standard size of paper for a printer?
To many people wordwide, excluding North America and Canada, the most familiar paper size size is A4 ( a familiar 210mm x 297mm). It is commonly used for letters and correspondence in the UK and it is the standard paper size for most home printers.
A4 size in inches calculator
To calculate the A4 size (and other A sizes), use the calculator below. First, select the A-size and then choose the unit in which you want the calculation. We will show the result in the last column undersize. By default, the calculator on this page is on the A4 and as a unit inches.
Other units such as centimetres, pixels and metres
Choose from the units below for the A4 size in Micrometres (μm), Millimetrers (mm), Centimetres (cm), Meters (m), Thou (th), Feet (ft), Yards (yd), Pixels, Pica, Point and HPGL.
What is the A4 size?
The A4 size has become the standard business letter size in English speaking countries such as Australia, New Zealand and the UK , that formerly used British Imperial sizes. In Europe the A paper sizes were adopted as the formal standard in the mid 20th century and from there they spread across the globe.
How big is A0?
The A0 size has an area of 1 square metre. Each subsequent size A (n) is defined as A (n-1) cut in half parallel to its shorter sides. The standard length and width of each size is rounded to the nearest millimetre.
What is the A3 paper size?
A3 Plus, or Super A3 as it is sometimes known, is not an ISO 216 paper size. It has dimensions of 330mm x 483mm (13" x 19"). This gives it an aspect ratio of 1:1.468 rather than the 1:root 2 aspect ratio of the ISO series paper sizes. In actuality the A3+/Super A3 name is quite misleading as this paper size is known as B+ or Super B in the United States and is ANSI B with a 1" margin for print bleed.
ISO A paper sizes
The A-series consists of a logical set of paper sizes that are defined by the ISO 216 standard. The largest size ( A0) measures one square meter. The height/width ratio remains constant (1:1.41) for all sizes. This means you get the A1 size by folding an A0 paper in two along its shortest side.
ISO B paper sizes
The same logic from the A-sizes also applies for the B-series, except here the starting point was the dimension of one of the sides, which starts at 1 meter. B-sizes are often used for posters.
ISO C paper sizes
C-sizes are used for envelopes to match the A-series paper. I have omitted unrealistic sizes like C0 (imagine an envelope measuring 917 by 1297 millimeters).
ISO D paper sizes
I have no idea what D-sizes are used for but the standard is there so it should be mentioned.
ISO RA & SRA paper sizes
These oversized papersizes are used by printers. The dimensions in millimetres are rounded to the nearest value.
American paper sizes
The US and Canada do not use the international standards but instead rely on the paper sizes below. The ANSI standard was added in 1995 to create a set of sizes that are based on shared dimensions. It lacks however the consistent aspect ratio of the ISO A-series.
English paper sizes (writing papers)
The English nowadays use the A-sizes for office and general use. I have no idea whether many of these definitions are still in use today. Imperial and half-imperial still seem to be widely used by artists.
Dimensions
Part of The ISO 216 Standard
- A4 is part of a set or range of page sizes, called the ISO A or ISO 216 standard. This international standard is based on the German DIN 476 standard from 1922. A4 is actually often referred to as DIN A4. The Japanese have adopted the same range of paper sizes in their JIS P 0138-61 standard. By folding an A4 in two along its shortest side, you create an A5 document. Two A4 pa…
Resolution Needed to Print An A4 Size Picture
- To output an image properly it needs to have a certain minimum resolution. The number of pixels depends on the required output quality. 1. At 300 ppi (pixels per inch) an A4-sized image needs to contain 2480 × 3508 pixels. This is the required resolution for quality offset printing that will be viewed from a short distance (such as books, brochures, magazines, calendars,…). For photo bo…
Alternatives
- In North America the Letterpaper size (216 × 279 millimeters or 8½ × 11 inches) is used instead of A4. It is slightly wider and shorter.
Other Sources of Information
- An elaborate yet easy-to-read page on the ISO 216 standard can be found here. For a completely different take on A4, watch the amazing YouTube video.