How do I size a 8x10 photo 300 PPI? what does that mean...?

M

mommy2b

New member
Hello and thanks for your help. I created an account with White House Custom Color (to order pictures). They are asking me to send them 3 test prints sized to 8x10 at 300 PPI. I know how to size my photo in photoshop to a 8x10 and I know how to save it as a baseline standard, level 10 JPEG. I do not know what "300 PPI means". Can you please tell me what this means and how I might do that?
Here are there instructions...
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Prepare your files as follows: sized to 8x10 at 300 PPI, in any imbedded color space and saved as a baseline standard, level 10 JPEG. Any B&W images also should be in RGB, not Grayscale.
 
300ppi = 300 pixels per inch. It's a resolution setting.

In Photoshop go to Image, Image size, and in the bottom half of the settings display you'll see something about resolution. Set the measurement to pixels/inch. Set the number to 300, while keeping the document size 8*10.

If the original ppi setting was lower than 300, also set the Resample method to bicubic softening.
If the original number was higher, use bicubic sharpening.
 
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