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galynap43472327
galynap43472327
Participating Frequently
October 4, 2023
Question

How to change DPI in Illustrator for real? (Not a raster effect DPI)

  • October 4, 2023
  • 3 replies
  • 372 views

The raster effect set to 300 dpi does not affect the appearance of the vector. It such a file (whether it is started for print or for the web), you can draw rectangles with precise numbers of 1 inch and 300 pixels (or points). They differ in size 4 times instead of being equal because 300 dots per inch is set. Measurement in inches converts into a screen resolution of 72 dots instead of 300.

 

Is there any way to get a 300-pixel object upper as 1 inch in Illustrator?

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3 replies

Jacob Bugge
Community Expert
Jacob BuggeCommunity Expert
Community Expert
October 4, 2023

galynap,

 

"They differ in size 4 times instead of being equal because 300 dots per inch is set."

 

Actually they differ 300/72 = 4 + 1/6 ~ 4.1667, or 1/0.24, because that is the proportion of the two resolutions.

 

More inaccuracies than one might think can be caused by this.

 

 

And what Doug and Ton said.

 

Ton Frederiks
Community Expert
Ton FrederiksCommunity Expert
Community Expert
October 4, 2023

If the one inch image has a resolution of 300 ppi, it will be displayed as one inch.

Doug A Roberts
Community Expert
Doug A RobertsCommunity Expert
Community Expert
October 4, 2023

You need 300 PPI raster image exports?

Set your document up at the physical size (inches or mm, not pixels) you need, and use 300 PPI when exporting.

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