Questions tagged [dpi]

Questions about the output resolution of a print device. `dpi` refers to dots of ink on a printed page and thus to a property of a printer or other printing device. The term is often used in error, in place of `ppi` (pixels per inch), which is a property of an image file or a display device.

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36
votes
2answers
23k views

I need to print an image at a certain size. What dimensions and resolution should I use?

(This question is meant to be a resource to direct others to given that this is a common question.) Given the task of creating an image that will be printed at a certain size, what pixel dimensions ...
53
votes
4answers
140k views

Is it mandatory to keep images at 72 dpi for web design?

I have been designing web banners for more than a year but never considered the DPI. I was using the default 72 dpi, but now I want to know is it necessary to create web designs in 72 dpi? What if we ...
28
votes
6answers
107k views

What is the difference between DPI (dots per inch) and PPI (pixels per inch)?

There are lots of other questions on Graphic Design which partly cover this, e.g. What DPI should be used for what situations?. However, I have become frustrated at the number of questions and ...
30
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11answers
48k views

What DPI should be used for what situations?

I've been seeing the word 'DPI' pop up quite a lot when I export my work out in Photoshop and Illustrator. While I know that DPI stands for 'dots per inch', and that if you have too low of a DPI on an ...
15
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6answers
7k 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 ...
3
votes
5answers
31k views

Will increasing the dpi of my image (without re-sampling) hurt print quality?

I'd like to start making prints, but all of my work is set at a resolution of 72. Are there any negative effects to increasing the resolution to 300? I'm very new to this, but from what I've read so ...
5
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4answers
4k 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 ...
11
votes
3answers
48k views

How to see an embedded image's dpi (ppi) in a pdf in Acrobat Pro?

The following situation baffled me slightly: after preparing a pdf in a different program I wanted to make sure that an embeded image in the pdf file had the right dpi, yet I found no way in adobe ...
8
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6answers
43k views

Illustrator: View -> Actual Size smaller than life size

I'm using Illustrator CS6 on OS X. When choosing View -> Actual Size, the displayed elements are smaller on the screen than their actual size, say in centimetres. How can I "calibrate" Illustrator ...
4
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3answers
2k views

Inept knowledge about dpi and ppi,please help?

I have designed a web header 1000x98 at 72 ppi using Macromedia Fireworks for our website and we are planning to print a billboard using that header? The printer has told us that he needs the image ...
3
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2answers
5k views

When creating PDF from an image, what determines the screen dimensions when viewed at 100%?

I would like to use pdf for ease of use and annotations when creating previews of my screen designs. However, no matter how I create my pdf, I can't seem to figure out what determines the 100% view of ...
2
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3answers
1k views

Change Illustrators “native” SVG resolution

Even if only containing fully vectorized content, SVG files contain a resolution (in pixels). If saving as SVG from Illustrator (CS5), my Illustrator always sets this resolution to 72 dpi. That's what ...
3
votes
2answers
6k views

Decreasing the page size when saving to PDF

I created an SVG image in InkScpae. It is 1328 pixels wide. Then I did "Save as PDF". The resulting PDF was 15 inch wide. I need the PDF to be in the width of an A4 paper - about 8 inch. I tried to ...
0
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3answers
1k views

Changing resolution from 300 to 100 DPI

I have been designing graphics for years. I have gone through a dozen printers. I have not found any difference in the printing of my 300 resolution images, and the 100 resolution, I changed the 300 ...
1
vote
2answers
435 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 ...
3
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2answers
16k views

iOS 4 retina display resolution size

I'm a little confused about the resolution here, I know the dimensions suppose to be: 320x480 points but what do I need to put for the resolution? e.g. 300 dpi? I'm designing on CS5.
12
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5answers
18k views

How would you print extremely small words (microprinting)

The Problem: I am working on a project and I wanted to add super fine print (words and graphics). When I say small I am not referring to 7pt type at 300dpi business card small. I am referring to ...
11
votes
4answers
6k 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 ...
5
votes
1answer
99 views

PPI in the Wild: implications of setting or providing a PPI flag in an image file

Apropos the perennial retina vs PPI questions: We have an answer to a recent question about setting up an image which, in my opinion, correctly states: "pixels are all that matter." But I have dealt, ...
3
votes
3answers
926 views

How can I simulate a 300DPI printout on a 600DPI printer?

So I had a 600-1200dpi printer but we wanted to get a 300dpi output because we wanted a rougher dots for screenprinting film. Is there any workarounds or settings I can use to get a 300dpi output from ...
2
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4answers
2k 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) ...
2
votes
1answer
3k views

Vectors or 300 dpi TIFFs for printing?

I have worked with CreateSpace before and used AI vector images on the cover and interior PDF of a book, but the images all printed pixelated. After complaining, CreateSpace told me to only use 300 ...
1
vote
1answer
429 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 ...
1
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0answers
1k views

How can I stop Outlook from screwing up images inserted into an HTML email? [closed]

(using: Windows 8.1 [running at 125% DPI], Outlook 2013, Exchange 2007 ) Hi I have a problem getting my graphic designs which I am creating on Outlook emails to come out correctly if I have changed ...