Questions tagged [ppi]

Questions about image resolution as measured in pixels per inch. PPI is either (a) the resolution of an image when it is printed at a specific physical size; or (b) the physical resolution of a display device. DPI (dots per inch), which refers to the output resolution of a print device, is often used in error in place of PPI.

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271 views

Which is a better print resolution 2400 x 2400 DPI or 1200 X 4800 DPI

What is the difference in print resolution 2400 X 2400 DPI and 1200 X 4800 DPI. Is on better than the other if so how do you measure it
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why have odd numbers of logical pixels in an inch, such as ppi of 96?

I was just looking up the definition of pixel coordinates for the flutter framework. You specify sizes in logical pixels. There are 96 logical pixels in an inch, which translates to roughly 38 pixels ...
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Logo in Illustrator to Photoshop for High-PPI Export

I've created a logo in Adobe Illustrator at the exact dimensions in inches that I want the final result to have (to print on a t shirt). I'd now like to take this logo into Photoshop for post-...
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1answer
231 views

Illustrator: Trying to export PNG at fixed size and 128 dpi

I'm designing for a screen that has the following specifications: 4.3” Diagonal Screen Size 272 x 480 dots Pixel Size 0.198 x 0x.198 mm Actual Area 95.040 x 53.856 mm 53.856 mm = 2.12 inches 95....
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4answers
971 views

In printing from digital images, how is PPI converted to DPI?

I know there are 'similar' questions on Stack Exchange and the internet, but none has answered my question. I am not confused between Pixels Per Inch (PPI) of the digital image and Dots Per Inch (DPI) ...
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296 views

Macbook Pro resolution issue [closed]

My MacBook Pro is set to a resolution of 2880*1800 yet when I take a screenshot, the selection shows 1440*900. How is it halved?
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654 views

PPI vs. DPI confusion (not a duplicate! NOT the same question that's been asked!) [duplicate]

I was also confused about the meanings of PPI vs. DPI and so I read a few tutorials on Google (including the top posts on StackExchange network addressing this). I think I know why people are ...
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4answers
2k views

Changing resolution with and without resampling

I realize that there are a lot of questions like mine and I read them all, but something is fighting in my head trying to find the connection between the written answers and my actual photoshop's ...
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2answers
302 views

Understand resolution inconsistency between Windows 7 and PDF readers

I'm trying to understand how to deal with what I think is a rather confusing inconcistency between the system resolution PPI of Windows and what is the PDF reader settings, in this case I'll speak ...
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1answer
905 views

Changing pixel density from 72 to 300 dpi for print

So I need to prepare a PSD to print a 250 mm x 250 mm card. 300 dpi and CMYK. I am fairly new to this. This isn't my domain. I am just asked to do this. Now the problem is, some of the source images ...
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1answer
328 views

Can indesign be asked to warn you if a picture is below a certain dpi?

Indesign has got a very good mechanism of spotting and warning broken links. Is there a mechanism where InDesign can automatically light up pics that are below a certain range of dpi?
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438 views

How important is it to use the correct resolution?

When working on a project, its obviously important to use the right resolution. My question is, how important is it to use the right one? For example, why can't you always use a high PPI for all ...
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1answer
348 views

How to design in Photoshop an image for a display that has 132 PPI horizontal and 142 PPI vertical

In Photoshop I need to design for the screen resolution 800 x 480 pixels with the pixel pitch of 0.1926 mm x 0.179 mm. The active area is 154.08 x 85.92 mm This translates to 131.87 x 141.89 pixels ...
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1answer
316 views

Calculating dots per pixel when printing an image

There is a nice article I found explaining dots, pixels, ppi, dpi etc. Here it is. Very good overall, but I got confused at one point where it says: For example, if you are printing a 150ppi image ...
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1answer
152 views

How to interpret these PPI numbers in Illustrator?

Illustrator gives me the resolution of 33x74 PPI - I'm used to seeing 300DPI, or something similar where it only displays one number. What's up with this 'a x b' PPI reading? How should I interpret ...
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1answer
98 views

How to preserve pixels when placing 96 PPI image file on 72 PPI Illustrator document

I have a 256x256 PNG file with 96 PPI. My document has raster effects set to 72 PPI. When I place the file on the document, the linked file selection shows dimensions of 192x192 (which is 256 * 72 / ...
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1answer
736 views

Use a specific resolution in illustrator for a given size in inches

I have a document in Illustrator CS6. When I created the document, I used the size of 72" x 40.5". However when I switch from inches to pixels as the size, it gives me a size in pixels of of 5184 x ...
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2answers
250 views

Artwork size - downsampling

While having done a lot of research and having a relative grasp on resolution and pixels, I am still very confused on the approach to take for downsampling my document. Basically I have a client who ...
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4k views

Is a DOT comprised of many PIXELS?

I', trying to understand difference between DPI and PPI. I learned that a DOT is the smallest physical entity a device can show or printer can print and a DOT may consists of R,G,B elements. A ...
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3k views

DPI Vs. PPI Vs. Image dimension, what should be taken to consideration?

I've been really facing this problem and I have found a similar link, that does not really address the problem. First of all, I'd like to mention that I use blender and GIMP for most graphics that I ...
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2answers
3k views

How to save an Illustrator document at a specific PPI and pixel size

In Adobe Illustrator CC 2014 I have designed an illustration with the instructed dimension of 300 × 400 pixels, but I have also been instructed to use 96 PPI instead of 72 PPI for web publishing of ...
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1answer
195 views

What should I scale my banner down to and at what resolution? [duplicate]

I am making a banner for my company at about 8 x 4.5 feet. I'm wondering what I should scale the format down to and what resolution it would require for the company to be able to scale it and print it ...
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1answer
918 views

Is it possible in to export layers to separate files in Photoshop as PNG with original resolution?

Is it possible to export layers to separate files as PNG with original resolution? When I try to 'Export as' in Photoshop CC 2015 - it saves files as 72 PPI. I need to keep them as 300 PPI.
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5answers
6k views

Photoshop canvas is too small at 72 PPI on a Retina screen

OK. Let me see if I can explain a problem I have in Photoshop. I'm working on designing a web site in Photoshop. My screen is a Retina display. Why is my canvas so small at 100% when at 72 PPI? Zoom ...
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4answers
505 views

Asked to design a large banner.How should I start? [duplicate]

I'm asked to design a large banner 10m * 4m. I'm not sure how should I start with Photoshop. Should I create one with small size and high resolution? What is the number of PPI suitable for this size? ...
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2answers
59 views

Images appear bigger on other monitors, possibly caused by low dot pitch?

Images and all dimensions in px or pt that I export for web assets appear to be bigger on another monitor than they appear to be on my monitor. For example, an image of 800 pixels height looks like ...
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1k views

What resolution images could I use for posters on the wall? [duplicate]

If I wanted to print an image found online and get a typical 27" x 40" sized poster what resolution image do I need? 4000 x 6000 or double that? I am confused over DPI and PPI.
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1answer
249 views

What size should an image be for printing a very large (10m x 2m) banner [duplicate]

I work as a graphic designer and until know I have worked only in vector. Now I have to do a very big banner like a landscape and I have to use a photo for this. What is an acceptable resolution for ...
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1answer
531 views

Resizing images for InDesign to 100% for printers

I've seen in the specs for POD printers that they want images to be scaled at 100%. If I take an image, and resize it down to 80% in InDesign, couldn't I just change the PPI to a higher value rather ...
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2answers
1k views

Why two documents with same dimension but different resolution has different view size in photoshop?

please look at these pictures. i couldn't figure out, why this happens?
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2answers
384 views

Why are the terms DPI and PPI so misunderstood?

It seems the terms DPI and PPI are misunderstood by more people than actually understand them. I'm not just talking about average Joe trying to print a holiday snap, I'm talking about graphic ...
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1answer
66 views

calulating PPI with 10.1 inch (diagonal)

Frequently devices are described in diagonal screen measurements. How do I calculate the PPi (pixels per inch) for a device that is 10.1 inch (diagonal) and 1920x1200 pixels.
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1answer
819 views

What PPI and DPI is needed for a photographic backdrop printed at 6x4 foot?

What PPI and DPI is needed for a photographic backdrop printed at 6x4 foot? I have a stock image which is 4000 px across and 300 dpi. Do I need to enlarge that with photoshop before sending to my ...
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2answers
326 views

Is it possible to print designs with huge resolution?

I have a question what that nobody seems to know the answer to. I have to make small stickers with ingredients lists (100mmx50mm), i know i should use illustrator but all i have is photoshop. The ...
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2answers
101 views

Relevance of pixel per inch for a specific LCD say 640 x 480

I am having an LCD with a resolution of 640x480. What is the relevance of pixel per inch for an image to be used for developing a GUI in this LCD? This image is not going to be used in any other LCD's ...
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1answer
191 views

Does changing pixels to higher in RAW file and saving to TIFF, makes it better for print?

I need to prepare A2 file for print, that consists mainly from pictures, that are shot with Canon EOS 40D and is in 10,1MP quality. When placing picture on A2 file, it shows that effective PPI are 202 ...
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3answers
774 views

Usual DPI to PPI ratio

I know that DPI (dots per inch) refers to actual printed dots per inch. And PPI (pixels per inch) refers to RGB pixels per inch. One printed RGB pixel is composed of a large cloud of black, cyan, ...
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321 views

Billboard Scale

help! I need to design a billboard dimensions are 400h x 840w @ 72 ppi in RGB mode. the info I got says it's a 21:10 ratio. So what size should I make this in illustrator or photoshop? thanks!
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1answer
485 views

Can I make these very large Illustrator files smaller? Can linked files be increasing the size?

I've been creating art for some very large wall graphics (approx. 23'x10') in Illustrator CC. I've been cutting the walls into 5 sections, creating separate files and laying out the art at half size ...
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3answers
2k views

Does printing an image at a high PPI consume more ink?

I have an inkjet printer with a maximum resolution of 2880 x 1440 DPI and I was wondering two things: Does printing an image with a high PPI resolution makes the printer use more ink? For example, ...
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0answers
1k views

100% document scale in InDesign

How can I setup actual 100% document scale in InDesign? I'm working on a document for web and I need to everything as is. It looks like that InDesign calculates scale based on 72 PPI yet my monitor ...
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2answers
198 views

Large printing project requires image size reduction?

I usually work with images for the web or pitch decks so printing images, especially large images, is kind of new to me. My company wants a banner printed that is going to be 24" X 63", and I ...
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4answers
1k views

Why @2x Mockups

Just for my own curiosity, why is it becoming a trend to create "@2x" mockups in photoshop? Other than creating larger native file-sizes, what's the difference between a 360ppi mock vs a 72ppi mock (...
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1answer
147 views

PNGs at 400.997 PPI and need them at 401 PPI

I'm having an issue right now where I'm trying to get my designer to send over icons at 401 PPI. My designer says he is exporting my icons at 401 PPI but when I receive them I open them up in ...
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1answer
56 views

does illustrator or photoshop change the dpi, ppi or alpha when using transparency? [closed]

I was enjoying the use of different transparency settings in both programs and was wondering if the simulated transparency would have any effect on the use of the images in different production ...
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6answers
6k views

Why does Photoshop call ppi “resolution”?

There are some things in Photoshop's "new" dialog window that I find troubling: Assume an image of 1000 pixels by 1000 pixels. How can there be an input box for ppi? Ppi a property of the result of ...
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2answers
25k views

Designing for Retina display in PPI or DPI?

As for designing for retina do I.... set up the image canvas to be the true size to my display device, say iPad screen size (not resolution size) Dimension size. Then set my dpi to 72....? Is DPI 72 ...
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32 views

Can someone explain more about DPI PPI and LPI [duplicate]

I want more knowledge , i have a fairly reasonable understanding of photoshop, and beginning to learn more about illustrator but could you explain it to me and what the importance of it is, i tend to ...
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3answers
10k views

Export Resolution in Adobe Illustrator

I've mainly used Photoshop before and only just picked up Illustrator a few days ago. Anyway, I used Illustrator to create lots of images (with transparent backgrounds) of different letters, each one ...
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3answers
3k views

Is a 100x100 px image with 100 ppi equal to a 71x71 px with 50ppi?

This should be obvious but the content out there on the web is confusing. I'm trying to understand the role ppi plays when saving an image. So if I have an image with rows of 1000 pixels, is it the ...