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My 48" screen is 1080p supporting 1920 x 1080 resolution.

I need to design a canvas on my computer that will send to this screen via HDMI cable.

Should the dimensions of this canvas be

  • 1920 x 1080 pixels or
  • 2862 x 1587 pixels (because 48" converted to pixels equals this in Illustrator)

Thanks

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3 Answers

up vote 1 down vote accepted

You should set your Illustrator canvas to be at 1920x1080 pixels if you are going to be outputting ONLY on your 48" LCD as final.

I believe you got your Illustrator canvas size of 2862 x 1587 by using the diagonal 48" multiplied by a 72 ppi resolution - doesn't work that way bub.

However, in the event that you might be using your artwork for print or anything else, I would recommend you to set it to a higher resolution that supports fine-printing, and also is in a 16:9 aspect ratio, and then output to a jpeg and downscale to 1920x1080 for display on your LCD. That would cover all bases.

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Wikipedia would indicate that it's 1920x1080 (given the 16:9 aspect ratio). Not sure where 2862x1587 comes from.

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1920 x 1080 *is* 1080p 16:9 aspect (widescreen)

To calculate use 1080 as the base number.

1080 * (16/9) = 1920

and... Since 720 is also a 16:9 aspect

720 * (16/9) = 1280

So 720p is actually 720 x 1280 pixels resolution

Forget what illustrator says. Pixels are an arbitrary measurement indicating the number of red/green/blue dots on the screen. The pixel count in illustrator is measured by multiplying the resolution times the ppi (pixels per inch).

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