How to calculate the commercial size of pictures-how to calculate the size of printed posters

How to calculate the photo size? The photo requirements of the documents we often use are 1 inch, 2 inches, 2 inches smaller, etc. /kloc-What are the photo sizes of 0/inch, 2 inches and 2 inches smaller? We usually need to edit the picture size when developing or printing. Here's a detailed introduction to the size of these ID photos.

1 inch photo, the size is 2.5 cm× 3.5 cm, and the resolution is set to 300 pixels/inch, so the final pixel is 295x413.

The size of a 2-inch photo is 3.3 cm× 4.8 cm, and the resolution is set to 300 pixels/inch, resulting in 390×567 pixels.

2-inch photo, the size is 3.5cm× 5.3cm, the resolution is set to 300 pixels/inch, and the pixels reached are 4 13×626.

The following are photos with different sizes, corresponding photo sizes and pixels (calculated by the picture resolution of 300 pixels/inch):

The above is a brief introduction about the photo size of 1 inch, 2 inches and 2 inches. After knowing the relevant size, you can make your own photo size, which is very simple and convenient.

How to calculate the size of printed posters? 1. The general poster size (general poster size) is 42cm×57cm (width× height), and the square quadrangle is 57cm×84cm (width× height).

Second, the poster size, commercial poster size 50cm×70cm (width× height) 57cm×84cm (width× height).

III. Standard poster size 13cm× 18cm, 19cm×25cm, 42cm×57cm, 50cm×70cm, 60cm×90cm, 70cm× 100cm, 42cm× 70cm.

Four, the movie poster size is 50cm×70cm (width× height) 57cm×84cm (width× height), and the poster width is 78cm× 100cm (width× height).

Verb (abbreviation of verb) recruitment poster size is 90cm× 120cm (width× height).

Specification of intransitive verb printing paper: plain paper: 787× 1092mm size unit (mm) full open 781kloc-0/086, 2 open 530×760, 3 open 362×78 1, 4 open 390× 590. 16 open 195×27 1 note: finished product size = paper size-trimming size; large paper: 850 *1168m open (positive) size unit (mm) fully open 844×/kloc. 6 format 387×422, 8 format 290×422 Note: Finished product size = paper size-trimming size Common format size (unit: mm) Format size: 787x 1092 format: 736x520, 4 format: 520x368, 8 format: 368x260. 32 folio: 184x 130 folio size (degree): 850x 1 168 folio: 570x840, 4 folio: 420x570, 8 folio: 285x420,/. 32 folio: 203x 140 square paper: 787x1092mm folio (square) size unit (mm) fully opened 78 1× 1086, 2 folio 530x760 and 3 folio. 16 open 195×27 1 note: finished product size = paper size-trimming size; large paper: 850 *1168m open (positive) size unit (mm) fully open 844×/kloc. Note: Finished product size = paper size-trimming size 16 Openness: 2 10×285 Orthogonality: 185×260, 8 Openness: 285×420 Orthogonality: 260 × 385. 2 Opening width: 570×840 Orthogonality: 540×740 Full opening width: 889× 1 194 Small opening width: 787× 1092 Big four-opening paper algorithm formula: large paper size:1/kloc-0. The size after deburring: 1 190mmx885mm, that is, 595mmx442mm, and the maximum printable area: 59 1mm (each side needs to be deburred by 2mm) x430mm (except for the product, each side needs to be deburred by 8mm, which is part of the printer. The algorithm formula of regular four-opening paper is regular paper size:1092 mmx787 mm; The size after burr removal is: 1088mmx783mm, that is: 544mmx39 1mm, and the maximum printable area is 540mmx377mm (as mentioned above). Note: Generally, the burr of flat coated paper is cut 2mm on each side.

Seven. The standard size of display board (KT board) KT board is 90cm×240cm or 120cm×240cm. If it is divided into two pieces, it is 90cm× 120cm or 120cm. This is the so-called "standard board" The size formed by a half-divided "standard board" (such as 90cm×60cm, or 120cm×60cm) is the "standard size".

Eight, X frame, Yi Labao size X frame size (width× height): 60×160cm80×180cm120× 200cm 27× 42cm (desktop) X frame and Yi Labao are two different things, and Yi Labao is bigger and stronger than X frame. The difference is that there is an X-shaped shelf behind the X-shaped display canvas, which is relatively firm and can be used in the future, and the cost is higher than that in Yi Labao. Yi Labao size (width× height): 60cm×160cm× 200cm 85cm× 200cm100cm× 200cm120cm× 200cm150cm× 200cm. Now there is an adjustable Yi Labao, which is convenient for height adjustment. Of course, you can also use ordinary Yi Labao to cut the support bar to the size you want. Yi Labao standard size: the standard size commonly used by domestic customers in Yi Labao is 80cm×200cm, and the picture is generally 78cm×200cm；; The standard size of Yi Labao commonly used by foreign customers is 85cm×200cm, and the picture is generally 85cm× 200cm; These Yi Labao sizes are just customers' habits. You can choose the exact size.

9. Poster production software: documents produced by coreldraw, Illustrator, Freehand and Photoshop software tools; Text needs to be bent or outlined.

X. Poster format requirements: 1. CorelDraw should be saved in CDR format, and all characters should be converted into curves (graphics with CorelDraw special effects should be converted into bitmaps, and the resolution of bitmaps should be above 350dpi). 2. freehand, Illustrator, please save it in EPS format (picture file is required); 3. Please save Photoshop in TIF format, and the file resolution is greater than 350dpi. 4. Bleeding size: Leave 3mm at the top, bottom, left and right to prevent white edges.

XI。 Please set the color mode of the poster production file to C.M.Y.K

12. Color description: 1. You can't ask for printing color according to the color of the screen or printed manuscript. Please don't use spot colors when filling colors. Be sure to refer to the% color value of CMYK when mixing colors, otherwise the color difference caused will not be returned. 2. When the same document is printed at different times, there will be subtle differences in color, such as coffee, dark green and deep purple. This is normal. 3. Don't use the four-color filling colors of C: 100, M: 100, Y: 100 and K: 100 for black characters. Large color blocks with a total value of four-color fill colors exceeding 250% are easy to cause back printing (sticking).

Thirteen. Source files of common printed documents (modifiable), which can be cdr, ai, PSD hierarchy, etc.

How to calculate the photo size? Question 1: How to calculate the size of photo 1 inch: 25*38mm?

2 inches: 35 * 53mm

Comparison Table of Maximum Size of Digital Camera and Printable Photo:

5 million pixels effective 49 15200, pixel 2560X 1920. The size of the developable photo is 17X 13, and the diagonal is 2 1 inch.

4 million pixels effective 387 1488, pixel 2272X 1704. The size of the developable photo is 15X 1 1, and the diagonal is 19 inch.

3 million pixels effective 3 145728, pixel 2048X 1536. The size of the developable photo is 14X 10, and the diagonal is 17 inches.

2 million pixels 1920000 is valid, pixel 1600X 1200. The size of the developable photo is 1 1X8, and the diagonal is 13 inch.

1.3 million pixels effective 1228800, pixel 1280X960. The developable photo size is 9X6, diagonal 1 1 inch.

800,000 pixels, effective 786,432, pixel 1024X768. Developable photo size 7X5, diagonal 9 inches

500,000 pixels, 480,000 pixels, 800X600 pixels. The developable photo size is 5X4, and the diagonal is 7 inches.

300,000 pixels are effective, 307,200 pixels are 640X480. Developable photo size 4X3, diagonal 5 inches

As can be seen from the above table:

5-inch photo with resolution of 800X600 (3X5)

6-inch photo (4X6), resolution 1024X768.

7-inch photo (5X7), resolution 1024X768.

8-inch photo (6X9), resolution 1280X960.

How many inches is the length of the long side? For example, 5x3.5 is 5 inches.

How much r refers to the number of inches on the short side. For example, 4R is 6×4 inches and 3R is 5×3.5 inches.

1 inch =2.54cm, and the average photo size is:

1 inch photo size should be 3.6cm×2.7cm；;

2 inch photo size should be 3.5cm×4.5cm；;

The size of a 3-inch photo should be 7.6 cm ×5.3 cm.

5 inch (the most common photo size) photo size should be/kloc-0 12.7cm×8.9cm；;

The 6-inch (international photo size) photo size is15.2cm×10.2cm;

The size of the 7-inch (enlarged) photo is17.8cm×12.7cm;

12 inch photo size is 30.5cm× 25.4cm.

Question 2: How to calculate the size of a photo? These are all in the properties.

Question 3: How to calculate the size of a photo is mainly determined according to the diagonal length.

1 inch 2.5*3.5cm4 13*295

Certificate photo 3.3*2.2390*260

2 inch 3.5*5.3cm626*4 13

2 inches smaller (passport) 4.8*3.3cm567*390

5 inch 5x3.5 12.7*8.9

6 inch 6x4 15.2* 10.2

7 inch 7x5 17.8* 12.7

8 inch 8x6 Geng 0.3* 15.2

10 inch 10x825.4*20.3

12 inch 12x 1030.5*20.3

15 inch 15x 1038+0 * 25.4

Question 4: How to measure the size of a photo? Diagonally, 25.4 mm is one inch.

Question 5: How to calculate the photo size? 10x15cm (4x6)

13x18cm (5x7 inches)

20x25 (8x 10)

The two digits after the number are inches.

Question: How to calculate the picture size in word? Right-click the picture to view the picture properties (different versions operate differently), and the picture size will be displayed.

Word20 10 is on the far right of the Picture Tools tab.

If not, the simple method: Make sure the display scale is 100% in the page view, and measure it with a ruler.

Print as many as you want. Of course, the premise is that you don't zoom when printing.

Question 7: How to calculate the size of jpeg images In fact, because JPEG format is a lossy compression format, even if the parameters of images of the same size are exactly the same, the saved sizes are quite different. Therefore, only the maximum and minimum values can be estimated, and the output size cannot be calculated without actual input.

In the estimation, the main influencing factors include the following aspects (may not be complete, but generally sufficient):

Picture pixel size

The number of colors DD affects the number of bytes per pixel after decompression.

The quality DD is divided into 1 1. When it is 0, the picture changes most obviously and the volume is the smallest, which mainly affects the compression ratio.

Grade 8 is generally recommended, and there is basically no quality loss without comparison.

Some software is mapped as a percentage, and some software starts with 1, so the maximum is 12.

The color distribution DD has a great influence on the compression, which almost affects both the near minimum value and the estimated maximum value, and is the largest variable that causes no accurate value but only the estimation.

As for the optimization of baseline, difference, continuity, etc., it has an impact on the final volume, but compared with the compression rate of quality, the impact can be ignored when the picture is not particularly small.

After these simple theories, let's talk about how to estimate and error.

First, using the pixel size and color number of the picture, we can calculate the volume of the picture in the memory.

Size = width * height * bytes per pixel

The number of bytes per pixel here is easy to understand. If you don't understand, you can use Baidu. Here are some commonly used ones. Photos are generally the first type: RGB(888)-3 bytes, RGB(565)-2 bytes, 256 colors-1 byte, 16 colors-1/2 bytes, and black and white -65438.

After that, the compression ratio range is inferred according to the image quality and picture size.

This is complicated and can only be estimated by experience. Here are only a few variables of image compression ratio:

A. The smaller the picture, the smaller the compression ratio, and gradually tend to the minimum compression ratio of the current quality; the larger the picture, the greater the compression ratio, and gradually tend to the maximum compression ratio of the current quality.

When the picture is small, it may be less than1;

B. The lower the mass, the higher the compression ratio. Generally at level 0, it will fluctuate between 200: 1 and 30: 1, mostly around 60: 1.

At level 8, it usually fluctuates between 40: 1 and 4: 1, mostly concentrated in 16: 1.

At the level of 1 1, it generally fluctuates between 16: 1 and 2: 1, mostly around 7: 1.

C. The more the color distribution tends to monochrome, continuous color and repeated color blocks, the higher the compression ratio. In extreme cases (such as pure white pictures), even if the picture is very large, the picture will only have hundreds to tens of kilobytes.

Therefore, the file size range is the compression ratio range estimated by the size* obtained in the previous step.

Question 8: How to calculate the actual size of photos taken by Apple's mobile phone? Sorry, this can't be accurately calculated by photos.

First, your shooting angle is not perpendicular to the ground, and the ground that you shoot obliquely seems to be shorter, which is not realistic.

Second, even if it is vertical, it is still very inaccurate to know the equivalent focal length of the mobile phone lens in order to know the distance between the mobile phone and the ground, and then after various calculations.

So now you can only make a rough calculation by reference. For example, the height of the person standing there is about 1.7 meters, so you can see that the distance between two horizontal black lines is about 4 meters, and then the length of the black line is about10 meters, so it should be about 40 square meters.

If you want to calculate accurately, it is recommended to take a tape measure on the spot!

Pure hand tour, hope to adopt.

In this case, the straight line between the position of your camera and the position of the person standing there must make an angle of 45 degrees with the ground, so I will assume that it is 45 degrees, and that's it.

Question 9: How to calculate the photo size? The development of chemistry and optics for more than several centuries and the invention of pinhole camera provided a good opportunity for the appearance of the first photo in the world. 1826, French scientist JosephNicéphoreNiépce took the world's first picture in his home, entitled "Scenery outside the window of Legolas". This photo shows the courtyard and outhouse outside the window upstairs of his house. The shooting method is exposed on the asphalt metal plate in the pinhole camera.

A photograph of a person or thing made by exposing photosensitive paper to a photographic negative and then developing and fixing it. Nowadays, in the information age, many photos are preserved in digital form, and digital cameras are developing at a high speed, while traditional cameras using film are gradually decreasing. First of all, from the content and theme, what is in the picture, what is shown from that perspective, which reflects the author's thoughts and what the society at that time is (in short, it will rise to a very high level), then from the grasp of the use of light and shadow in the photo itself, it explains his problems in composition, such as light and shade, contrast, foil, the position and distance of the theme scene in the picture, and finally explains whether his photography skills are snapshots.

Common photo specifications (unit) cm

1 inch 2.5*3.5 ID photo 3.3*2.2390*260

2 inches 3.5*5.3 (2 inches 3.3*4.8 smaller)

5 inch 8.9* 12.7

6 inches11.4 *15.2 (&; 10.2* 15.2)

7 inches 12.7* 17.8

8 inches 15.2*20.3

10 inch 20.3*25.4

12 inch 30.5*20.330.5*22.530.5*25.5

14 inch 35.6*30.5

15 inch 38. 1*25.4

16 inch 40.6*30.5

19 inch 48.3*33.0

20 inch 50.8*33.0

24 inch 50*60

30 inch 60*75

36 inch 60*9075*90

40 inch 75* 100

48 inch 90* 120

60 inches 100* 150

72 inches 180* 120

100 inch 254* 187

Common sense: Usually, the specification of a photo will be expressed by "inch", which is different from the diagonal length of products such as monitors. "A few inches" in the photo refers to the length of inches on the long side of the photo. For example, a 6-inch photo is a 6×4-inch photo. There is also a commonly used method to indicate the size of a photo in the world, which is to take the integer value of the short side of the photo and add the letter R to indicate it. For example, a 6-inch photo, the specification is 6×4 inches, which is 4R.

In addition, digital film, regardless of the number of pixels, only looks at the number of pixels on the long side, 5 inches 1200.

1400 gives 6 inches, 1700 gives 7 inches, and so on. . .

1 inch (in inches) = 2.54cm

When we say x inches, we mean the long side of the photo. For example, 5 inches means that the photo is 2.54x5= 12.7cm long.

12 inch is 2.54x 12=30.5cm,

8x 12 means that the long side is 2.54x 12=30.5cm and the short side is 2.54x8=20.3cm.

3R refers to paper, 3R is 89MM, and 5R is 127MM.

Usually 3R means 3*5 is 5 inches, and 5R means 5*7 is 7 inches.

R represents a rectangle, calculated on the shortest side.

Most of the photos taken by 135 machine are developed to 3R or 4R or above. If the 6X7 bottom of 120 machine is developed into a 3R photo, it will not be 3 inches by 5 inches, but 3 inches by 3.5 inches in proportion, which is also a 3R photo. There must be three inches left.

Another example is the photo taken at the bottom of 120 Hasselblad 6X6, because its negative is square. If you want to take a picture of a square, such as 3 "X3" and 5 "X5", we don't call it 3R, but 3S or 5s, and S stands for square (SQU in English & gt>.

Question 10: How to calculate the size of computer pictures? Personal answer, for reference only:

Let's start with 256 colors, which means that each pixel needs to provide 256 colors. So how many bytes does each pixel correspond to? When 256 is converted into binary, it is the eighth power of Sichuan, which means that each pixel can only reach 256 colors if it occupies 8 bits. So the size of each pixel is 8 bits, which is 1 byte.

The uncompressed picture with the resolution of 1024x768 has 1024x768 pixels, so this picture accounts for 1024x768B, which is 768KB.