You can find the file specifications and pixel dimensions in a few easy clicks! There are a few different ways to get this information. The Pixel Chart contains a link to the Pixel Resolution Guide. A copy of the guide is also attached at the bottom of this article.
TO FIND PIXEL DIMENSION ON A PC TO FIND PIXEL DIMENSION ON A MAC
Right click on the digital file and choose Highlight the digital file on your computer
“properties,” then navigate to the “details” press command+i to “get info, ” and
tab and locate the pixel dimensions there. locate “dimensions” under “more info”
Alternatively, you can find the pixel dimensions of the image when it is uploaded to your Nations Photo Lab online gallery. Enter the gallery which contains the image(s) and change the view to View By: List, as shown below. The pixel dimensions are boxed in yellow.
Once you have these dimensions check out these articles to determine the Aspect Ratio/ Shape of an Image and Determining the Best Print Size- How Large can I go?.