: How to change Adobe Illustrator CC's pixel to inch ratio? We all know today the devices have different ppi. Traditionally a pixel is a point, which is 1/72 an inch. But today, iPhones have

@Margaret771

I don't know if you can change pixel to inch in Adobe Illustrator, but when I need to convert pixels to inches in Photoshop I'm using this web tool to convert inches to pixels, then create a new file with the obtained dimensions.

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@Gonzalez368

i wouldn't worry about it. iphone and other high pixel density screens have been doing a fine job at keeping resolutions scaled correctly. as far as designing goes, i'd only be concerned with exporting the artwork at the desired ppi. if you want "retina-ready" here is a blog post that hits the gist of it, and several links to tuts and other resources.
www.webdesignerdepot.com/2013/04/why-should-you-become-retina-ready/

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@Marchetta832

You can always design in absolute pixels since your monitor and your devices will never have the same pixel density. For example, you could design everything in xhdpi and therefore maintain the same size throughout. Googles holo templates for example work that way too (but in mdpi). The only difference that you'll experience is that your desktop won't show it in the precise density. But since that's impossible anyway I wouldn't worry about it. And you need to test your designs on a device anyway. So set up your artboards to match the testing device and you will always have a correct preview on it.

Have a look at googles samle files: developer.android.com/design/downloads/index.html

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