Photo sizes for printing, format table with examples

What will be in the first feet or inches?

The international standard symbol for inch is in inches (see I SO 31-1, Appendix A), but traditionally the inch is denoted by a double prime, often approximated by double quotation marks, and the foot by a prime, often approximated by an apostrophe. For example, three feet two inches can be written as 3′ 2″.

Why it is important to consider standard photo sizes

In the vast majority of cases, the digital photographs you receive will be printed on photo paper of standard sizes. If the proportions of digital photographs and the selected photo paper sizes do not match, the photographs may come out stretched, not clear, lose image quality, and have other undesirable consequences for you.

Therefore, it is important to compare the standard photo sizes for printing and the pixel sizes of the digital photos you have to choose the optimal printing format.

Why are there 12 inches in a foot?

The Romans originally divided the foot into 16 digits, but later they divided it into 12 ounces (which means ounce or inch in English). … In the United States, a foot is measured at 12 inches, and an inch is defined as the Mendenhall Order of 1893, which states that one meter is equal to 39.37 inches.

What is length and width?

Length refers to the distance between the two ends of an object. Width refers to the measurement of the breadth or breadth of an object. Length can be measured in geometry by looking at the longest side of an object. Width can be measured in geometry by looking at the shortest side of an object.

Which is longer or wider?

Breadth or width usually refers to the smaller size when the length is the longest one. … Length is a measure of one spatial dimension, whereas area is a measure of two dimensions (length squared), and volume is a measure of three dimensions (length cubed).

What comes first – length or width?

The industry standard for graphics is width by height (width x height). This means that when you write your measurements, you write them from your point of view, starting with the width. It is important.

What is length width?

Meaning. Length is defined as the distance along the longest dimension and the two ends of the object/line. Width can be defined as the side-to-side measurement of an object.

What is calculated by multiplying lxwxh?

Use multiplication (V = lxwxh) to find the volume of the solid figure.

Does 4 mean feet or inches?

The international standard designation for foot is “feet” (see I SO 31-1, Appendix A). In some cases, the foot is indicated by a stroke, often marked with an apostrophe, and the inch by a double stroke; for example, 2′4″ is sometimes written as 2′-4″, 2′4″, or 2′4″.

Faq | What resolution should I set for the photo?

12:36 pm – FAQ | What resolution should I set for the photo?

I continue the section “Frequently asked questions | ( FAQ

)”. Traditionally, the questions themselves can be asked in the comments or sent by email: [email protected]

So, today’s question, which I get asked regularly when it comes to saving processed photos to disk:

#16
What resolution should I set for the photo?

Photo sizes for printing, format table with examples

We are talking about mysterious dpi
, which are often appropriately and inappropriately mentioned by customers in the technical requirements for photographs. But you won’t find this everywhere else – more often in program interfaces you come across ppi
and no dpi
. And customers keep writing and writing “send us a photo of at least 300dpi
!”

What is all this and why do photographers need it?

Short version:

In short, this is the location density:

  • dpi
    ( d
    ot p
    er i
    nch) – dots per inch
  • ppi
    ( p
    ixels p
    er i
    nch) – pixels per inch
  • And, what’s most interesting, all these things have nothing to do with raster digital photography until you are going to print it! That is, if you don’t print your photographs (and now there are more such photographers than those who print), then you don’t have to bother yourself with these parameters at all, you won’t need them.

    But, just in case, you can set the resolution box to 300. In Lr, for example, this can be done when exporting images, here:

    Photo sizes for printing, format table with examples

    For everyone else there is a detailed answer. =: )

    Expanded answer:

    Digital photography on a computer has only one size characteristic – the number of vertical and horizontal pixels (or their product, now calculated in megapixels). Here is this card, for example:

    Photo sizes for printing, format table with examples

    has a size of 900 x 600 pixels (or 540,000 pixels, which is equal to 0.54 megapixels). The original frame from which this smaller copy was made was 3600 x 2400 pixels (or 8.64 megapixels). And these values ​​in pixels are the only parameter responsible for the size of photographs in digital form.

    Problems may arise when you want to print a photo. Different printing machines and printers, depending on their design and the purpose of the printing result, allow you to create images with different pixel sizes. That is, you can print large pixels and then only a few of them will fit on one inch (about 2.5 cm):

    Photo sizes for printing, format table with examples

    .or you can reproduce slightly smaller pixels and then more of them will fit on one inch:

    Photo sizes for printing, format table with examples

    .or you can make them tiny and then there will be a lot of them on the same linear inch:

    Photo sizes for printing, format table with examples

    As a result, if the same image is taken and printed with different pixel densities per inch ( ppi
    ), then it will have a different size on paper:

    Photo sizes for printing, format table with examples

    It is believed that when more than 300 pixels fit on one linear inch, the human eye is no longer able to separate them, and this gives high-quality, “smooth” printing, without noticeable pixelation. The vast majority of glossy magazines use exactly this (or so) print density, and you can see the result for yourself by purchasing “glossy” printing at any kiosk.

    In fact, now the density of 300 ppi is considered a kind of unspoken standard that most publishers focus on. Although, as far as I know, this particular figure does not appear anywhere in the official standards. Well, let me be corrected if I’m wrong.

    At the same time, if we are talking about printing, for example, outdoor advertising posters (billboards) of large size (3 x 6 meters, for example), then there is no such need to make the pixels microscopic and print them close to each other – it’s all the same Viewers will look at the poster from a fair distance, unlike at a magazine. Therefore, very often when printing materials for such billboards, a resolution of about 50 ppi is used (there are 50 image pixels per inch of a printed poster).

    Ideally, you should know what print density you need and prepare your photos accordingly. If we talk about Ps, then this can be done in the menu item Image -> Image Size:

    Photo sizes for printing, format table with examples

    Photo sizes for printing, format table with examples

    At the top of this palette we can see the photo size in pixels (3600 x 2400):

    Photo sizes for printing, format table with examples

    . And at the bottom – the size in centimeters (127 x 85 cm) at a density of 72 pixels per inch.

    Photo sizes for printing, format table with examples

    These 72 pixels per inch now, in general, look like some kind of spherical horse in a vacuum, because this is a purely rare indicator that is now traditionally assigned to all digital images by default. And it has no real implementation, because someone is now looking at an image on a 15″ diagonal monitor with a resolution of 1024 x 768 pixels and it will have the same image density, and someone can look at a 25″ monitor with 2560 x 1600 and its density will be different. But it is so traditionally accepted that digital photos are assigned exactly this figure – 72 ppi. “The answer to the ultimate question of life, the universe and everything is 42!”

    By the way, it was not for nothing that Apple engineers described in such detail the advantages of the iPhone4 screens when they first appeared on the market. With a diagonal of 3.5 inches, the image dimensions are 960 x 640 pixels, which gives a resolution of 326 ppi. Which, as you understand, is quite comparable to the quality of good printed printing. And in the future, I am sure that the number of devices with high ppi will grow steadily.

    If you uncheck this box:

    Photo sizes for printing, format table with examples

    . Then you can see how the image size changes depending on the ppi density (and with the same image size in pixels – 3600 x 2400). At a density of 5 ppi (each pixel will be printed as a 5 x 5 mm square), the image size will be 1829 x 1219 cm:

    Photo sizes for printing, format table with examples

    With a “magazine” density of 300 ppi, the size will already be 30 x 20 cm (almost A4 format, that is, the cover, for example):

    Photo sizes for printing, format table with examples

    At 600 ppi the photo will take up 15 x 10 on paper (“photo, 10 by 15 with a naive caption.”):

    Photo sizes for printing, format table with examples

    And at 10,000 ppi, the size of this photo will be less than one centimeter on its larger side:

    Photo sizes for printing, format table with examples

    It is clear that printing with a resolution of 10,000 ppi generally makes no sense, especially considering that the threshold at which pixels are visible is considered to be a resolution of 300 ppi.

    If you still want to display an image with a resolution of 300 ppi, but on a larger medium, then you will need to turn the checkboxes back on and change the image size in centimeters:

    Photo sizes for printing, format table with examples

    At the same time, please note that the image size in pixels will also increase. This is inevitable, because you want to leave the print density high and you want the size to be larger, which means there will be more pixels in the image. Ps will add the missing pixels, calculating them from neighboring ones. The image quality may suffer noticeably.

    Well, what then is dpi
    , which customers love to write about in their image quality requirements? This is the density of dots printed by the output device. And this parameter is purely technical; it can tell a specialist how many dots, for example, a particular printer can print on one inch of an image.

    Strictly speaking, dpi
    not always equal to ppi
    . After all, one pixel of the image must be transmitted by several points of the printing device:

    Photo sizes for printing, format table with examples

    Here we can see that each square (digital image pixel) is represented by several circles of different diameters. Due to their different sizes, it is possible to create different color densities, and, as a result, to obtain full-color images with halftones in print. But the printing machine cannot make dots of different sizes; it can only create spots of a certain diameter included in the design. Therefore, the circles we see actually consist of many small dots:

    Photo sizes for printing, format table with examples

    The density of these dots per inch is the parameter, which is designated as dpi
    . And if you count, then ppi
    of this example will be, say, equal to 25, then dpi
    will be many times more.

    But in modern practice, it has already developed that in the requirements for photographic quality they very often put an equal sign between ppi
    and dpi
    . And they come as a result of requirements like “the final image must be 6 x 3 meters in size at 50 dpi”
    , which translated into digital image language means that the picture should be 11811 x 5905 pixels in size. Just like there are requirements like “the picture must be at least 3600 x 2400 at 300 dpi”
    , which, as you now understand, does not even look like “oil oil”, but like “square oil”. =: )

    §

    Anton, thank you for the excellent article. It answers the question “how to do it.”

    And I have a question – what is the right thing to want?

    For example, I have a photo, the size in pixels is 5184 × 3456. The task is simple – I want to print this photo.

    If we take the 300 ppi standard, then the maximum photo size will be 60×40 cm.
    But as everyone probably knows (this is described in the article), a large photograph does not need a resolution of 300 ppi, since you are not looking at it from a close distance. The article proposed two recipes – either reduce the resolution or increase the size in pixels.

    Suddenly there is a universal recipe – what to do correctly. As far as I understand, the recipe should be based on our perception – that is, what resolution we “see” depending on the size of the image and the distance to the image. That is, de facto we reduce the quality of the image, but a person does not notice this, since he is not looking from a very close distance.

    Anton,

    You can make a sign like:
    We consider the original image dimensions to be 5184 × 3456
    Size of the final image in cm / Distance to the image (usually look at the image from this distance) / “Correct resolution” (ppi dpi) / correct image size in pixels

    60×40 1 m. 300 5184 × 3456

    90×60 1.5 ? ?

    120×80 1.5 ? ?

    180×120 2 ? ?

    240 x 160 3 ? ?

    420 x 280 5 ? ?

    600 x 400 10 m. 72 ?

    I filled out the table based on the numbers that were in the article and my understanding, perhaps they are different.

    If you can make such a cheat sheet, then I think it will be a great help for clients of “dummies” and ordinary employees of photo labs.

    Thank you very much in advance and sorry if the question is incorrect.

    §

    June 28, 2022


    12:36 pm – FAQ | What resolution should I set for the photo?

    I continue the section “Frequently asked questions | ( FAQ

    )”. Traditionally, the questions themselves can be asked in the comments or sent by email: [email protected]

    So, today’s question, which I get asked regularly when it comes to saving processed photos to disk:

    #16
    What resolution should I set for the photo?

    Photo sizes for printing, format table with examples

    We are talking about mysterious dpi
    , which are often appropriately and inappropriately mentioned by customers in the technical requirements for photographs. But you won’t find this everywhere else – more often in program interfaces you come across ppi
    and no dpi
    . And customers keep writing and writing “send us a photo of at least 300dpi
    !”

    What is all this and why do photographers need it?

    (
    Answer to the question under the cut
    Collapse

    )


    Hello! If I understand correctly, then in order to set a higher resolution in the photo, you need to uncheck the interpolation box. What if you need to do the opposite? For example, there is a photograph with a resolution of 300, but in the laboratory they require a resolution of 254. How to properly reduce the resolution, do you need to uncheck interpolation? And does it make sense to set the print size in centimeters? Suppose we want to print the same photo in 30×20 and 90×60 formats, the photo size is 5000 pixels on the long side, the photo resolution is 300, the printing machine resolution is 254. How to properly prepare the photo for printing in both cases?

    Checkbox interpolation in the image size palette in Photoshop. You yourself write about this in the article. For example, photographs were exported from Lightroom with a resolution of 240, but should be sent for printing with a resolution of 300. You need to change the resolution in Photoshop, and if you uncheck interpolation, the size in pixels will not change, only the resolution will change.
    I’m asking about something else. If the photo has a resolution of 300, but you need to print it on a printer with a resolution of 254. So, when changing the resolution in Photoshop, in this case, whether you need to uncheck interpolation or not, that’s the question.

    What is the difference between length, height and width?

    The height of a person is equal to the span of his arms extended to the sides. The difference between length and width is that length is the longest side of an object, and width is the shorter side.

    Ready-made templates

    1. Save the picture with the desired size: left-click on the picture – click save image/picture.

    2. Open the downloaded image in any photo editor (for example, Photoshop or Paint) and paste your photo on top.

    3. Done! Can be printed.

    Length and width 2022

    Length vs width

    There is currently some confusion in distinguishing length from width. The problem is that the descriptions of these two elements are slightly different depending on where you learned it from. If it’s within the confines of your classroom, most math students are taught that a parallelogram of a rectangle (with parallel sides) will have the longest side as the length and the shorter side as the width. This is regardless of whether the longer side is the vertical side or the horizontal side. However, many have noticed that the length is usually vertical, and the width is that which corresponds to the horizontal plane.

    The confusion continues because in some other aspects length is not always the longest dimension of an object. For example, some wires are actually thicker (width) rather than being reduced by shorter lengths. FET transistors also have channel widths that are larger than their channel length. However, in layman’s terms, length simply describes how long something takes to happen, while width tells someone how wide an object is.

    Breadth is otherwise known as breadth. It is the distance from one side to the other side, which measures a certain shape or object whose lengths form right angles with the sides, as in the case of a rectangle.

    Length and width are two fundamental one-dimensional units compared to the measurement of the area of ​​a rectangle, which is the product of two units, length and width. There are many units of length used today. The most basic of which is the meter in SI units. Other units for length are: foot, yard, mile and inch for imperial or imperial units. There are also some non-SI units such as: micron, Norwegian mil, angstrom and Fermi.

    Length can also refer to the duration of time, such as how to determine how long a certain activity will take to complete. Some also use length in the same context as distance, such as when they say, “Keep it at arm’s length!”

    Summary:

    1. Length describes how long something is when determining the object’s width. 2. In geometry, length refers to the longest side of a rectangle, and width refers to the shorter side. 3. Length can also refer to the length of time or the distance of distance. 4. The most common device for measuring length is a meter.


    How do I calculate my size?

    A measure of any two sides (length, width or height) of an object or surface to obtain a two-dimensional measurement. For example, a rectangle that is 3 feet wide and 4 feet high is a two-dimensional dimension. The dimensions of the rectangle will then be given as 3ft (width) x 4ft.

    How to calculate square foot?

    Basic Square Feet Formula

    Multiply the length by the width and you get square feet. Here’s a basic formula you can follow: length (in feet) x width (in feet) = area in square feet.

    How to calculate dimensions?

    To calculate Dimensional Weight (DIM): Multiply the length, width and height of the bag using the longest point on each side. Then divide the package’s cubic dimension in inches by the DIM divisor to calculate the dimensional weight in pounds.

    What is the length and width of the table?

    Most rectangular tables are 36″ to 40″ wide. A table for four should be about 48 inches long. To seat four to six people, look for a table that is at least 60 inches long. For six to eight guests, your table should be at least 78 inches long.

    What is the length vs width?

    Summary: 1. Length describes the length of an object, and breadth describes its width. the object is there. 2. In geometry, length refers to the longest side of a rectangle, and width refers to the shorter side.

    Which side is equal to length, width, height?

    Length is the measure of, say, the side of a box. The length of the side from bottom to top is the height. The length of a side from left to right is the width, or breadth. The length from front to back is the depth, but depth can also be the length from top to bottom.

    What is the length, width and height of the envelope?

    The words big envelopes and apartments are used interchangeably. Whatever you call them, condos must: be one size greater than 6-1/8 inches in height OR 11/1/8 inches in length OR 11/8 inches in thickness.

    .

    Sizes for large envelopes and flat envelopes.

    Dimensions Minimum * maximum

    Height

    6-1/8 inches

    12 inches

    Length

    11-1/2 inches

    15 inches

    Thickness

    1/4 inch

    3/4 inch

    What is the formula for perimeter?

    Perimeter, area and volume

    Table 1 . Perimeter formulas
    Form Formula Variables
    Square
    P=


    4s
    s is the length of the side of the square.
    Rectangular P = 2L 2W L and W are the lengths of the sides of the rectangle (length and width).
    Triangle a b c a, b and c are the lengths of the sides.

    Popular photo sizes for printing with format table

    The generally accepted standard photo is the size of 10 by 15 cm. At the same time, the size of a commensurate digital photo is usually slightly larger (for example, 10.2 by 15.2 cm), and the pixel size of this photo will be 1205 by 1795 pixels.

    Other formats are shown in the table below:

    If you plan to work with large-format printing, then it has quite broad requirements for digital images:

    If you know the dpi parameter and the number of pixels of your photo, then using the formula below, you can calculate the required dimensions of the sides of your photo:

    x=r*d/dpi

    In this formula:

    x – the required size of one side of the photo in centimeters; r – the resolution of the photo side in pixels; d – 2.54 cm (the size of a standard inch); dpi – usually 300 (less often – 150). For example, let the image width be 1772 pixels and dpi=300. Then 1772*2.54/300=15.00 cm in print width.

    Popular photo formats

    In addition to the classic size 10 by 15 (A6 format) that I have already mentioned, there are other popular photo sizes for printing. Among them I would highlight the following:

    Size 4 and small?

    S means small, which is roughly equivalent to women’s sizes 4 to 6 in most brands.

    Photo size in inches

    Standard Size in inches
    9×13 3.543 x 5.117
    10×15 3.937 x 5.907
    13×18 5,117 x 7,087
    15×20 5,907 x 7,873
    15×21 5,907 x 8,267
    15×22 5.907 x 8.66
    15×30 5.907 x 11.81
    15×38 5.907 x 14.96
    15×45 5,907 x 17,717
    18×24 7.087 x 9.45
    18×25 7,087 x 9,843
    20×25 7.873 x 9.843
    20×30 7.873 x 11.81
    25×38 9.843 x 14.96
    30×40 11.81 x 15.747
    30×45 11.81 x 17.717
    30×90 11.81 x 35.433

    How many inches are in ft?

    Feet to inches conversion table


    Feet


    (

    ft


    )

    Inches


    (“)
    1

    ft
    12 ”
    2

    ft
    24″
    3

    ft
    36″
    4

    ft
    48″

    Digital Photographer’s Thesaurus

    To understand what sizes of photographs there are for printing and what their specifics are, we need, first of all, to understand the basic concepts necessary to understand the digital printing process.

    Linear size of a photograph – dimensions of the photograph in millimeters (width-height).

    Photo parameters in pixels – the dimensions of your photo, expressed in the number of pixels (width-height).

    Pixel is the smallest element of an image, usually a rectangular or circular dot of a certain color. An image consists of hundreds and thousands of such pixels, which are counted both horizontally (width) and vertically (height).

    Moreover, the more such pixels in your image, the higher quality it usually is, with better detail and rendering of objects.

    Aspect proportions – the aspect ratio of a photograph (for example, 1:1, 2:3, 3:4, and so on). The parameter shows how much shorter or longer one side is than the other.

    Raster image (raster) – an image consisting of such pixels.

    DPI – (an abbreviation for “dots per inch” – dots per inch) is a parameter used to characterize the resolution of printing photographs, that is, the number of dots per inch (an inch is 2.54 cm). The basic printing standard is 150 dpi, the optimal is 300 dpi. Accordingly, the higher the DPI, the higher the print quality of the existing digital photo.

    Photo standard (format) is a standard aspect ratio of a photograph, which is important to adhere to in order to obtain the final image on paper.

    Conclusion

    This article presented standard photo parameters for printing, listed popular photo formats, and also outlined a convenient formula for calculating the optimal dimensions of the sides of a photo. I recommend sticking to the formats I have given, this guarantees the quality of the printed photographs, and therefore the visual pleasure of viewing them.