Dots per inch: refers to dots of ink on a printed page and thus to the output resolution of a print device. It is often used in error, in place of PPI (pixels per inch), which is a property of an image file or a display device.

learn more… | top users | synonyms

21
votes
11answers
13k 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 ...
7
votes
5answers
17k views

is it mandatory to keep 72 dpi for web design? What if I create in 200dpi?

I have been designing web banners in photoshop for more than 1 year but never considered the DPI, as I was using the default 72 dpi, but now I want to know is it necessary to create web designs in ...
10
votes
5answers
19k 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 ...
3
votes
2answers
788 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 ...
5
votes
1answer
2k views

Do I need full 300dpi resolution photos for designing a poster?

I'm working on a poster for a local event. It has a photograph in the background. The poster itself is designed to be 11x17, which at 300dpi is about 3300x5100. Now the photo in the background does ...
3
votes
2answers
13k 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.
5
votes
2answers
280 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 ...
3
votes
2answers
962 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 ...
3
votes
4answers
24k views

Creating large-scale high-resolution documents in Photoshop

I am a student trying to create collages in Photoshop sized* 4' x 4' and larger, resolution 300dpi, to be digitally printed on cotton canvas and silk. The enormous file size causes my iMac to lag or ...
2
votes
1answer
393 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 ...
2
votes
3answers
540 views

Which Photoshop features are affected by different DPI or PPI tags?

A Photoshop document‘s physical size, pixel density (DPI/PPI) and pixel dimensions are all linked. Bitmap images contain bitmap data, which are a specific size (pixel dimensions). They also contain a ...