: 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

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 with different resolution.
According to me , this option is irrelevant as actual pixels per inch is constant in the LCD .

But I found that in GIMP we need to give this option to create an image. What value should I give for my image ?

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@Nickens508

The value of “72 pixels per inch” does not actually refer to a display with 72 pixels per inch. It means “1:1 pixel ratio” or “show each pixel of this image on one pixel of the display.” It is essentially a zero point on the resolution ruler.

So when you don’t care to specify a pixel per inch setting, you use 72 pixels per inch.

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@Hamm6457569

As you said, the ppi is irrelevant, because you're not actually printing anything. For your purposes, ppi is just a meta-tag that won't change anything. (See bjango.com/articles/ppiisatag/)
I would just leave it at the default of 72.

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: 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

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: Create objects with different colors (hues) from a selected object (group of many simple colored objects) I'm working with Kenny's game assets and am trying to get more color options with a

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