Re: How can I tell the DPI on a photo I have?
Save the original somewhere safe before you do this.
Not 100% sure this will do it but, if you have photoshop (or good image editing program)you can pull your image into it. Then click on Image -> Image Size. You'll see the pixel dimensions of your image at the top, and below a resolution of 72 px/in. Make note of the pixel dimensions then change the 72 to 300. Now change the pixels back to what they were to start.
Again, not sure about that but, I was told that was how to do it once.
Good Luck,
~Christina
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