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DPI Verses image size.

DPI Verses image size.

DPI Verses image size.

(OP)
ok I konw bad graphics newbie no donut that being said why do I have an image that says its 7.5 inches and 200 dpi but when I post it to my web page for display its HUGE. I have always heard something about the 72 dpi limit but I dont really konw what it means.

RE: DPI Verses image size.

for the web graphics normally are set to 72 DPI (dots per inch). That means that for each inch you have the screen will use 72 pixels.

If you have an image 7.5 inches long and a resolution of 200dpi that means that the screen will use 7.5*200=1500 pixels. that's only in one dimension.

Now if the image is a square 7.5*7.5 you are talking 1500 pixels horizontally and 1500 vertically.

if  you lower your resolution to 72 dpi your image will be 7.5*72=540 pixels long.

Normally resolutions 200dpi and higher are good when you need to print your graphics.

hope that helps.

grtfercho çB^]\..
"Imagination is more important than Knowledge" A. Einstein
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