How can I find my image file dimensions?

IMAGE DIMENSIONS

Every digital image has measurable dimensions independent of the file size. The file size of an image denotes how much space on the harddrive the image file occupies. The dimensions of an image tell how large the image will be when viewed. Image dimensions are measured in pixels for digital images instead of inches. There are different steps to checking an image’s dimensions depending on the operating system of the computer.

MAC

1. Click the image file to highlight the file
2. Press command+i on the keyboard to Get Info
3. Under More Info locate Dimensions. 
• The numbers next to dimensions are the pixel dimensions of the image

WINDOWS

1. Right-click on the digital file 
2. Choose Properties in the dropdown
3. Click on the Details tab 
4. Locate Dimensions, it is under the Image heading.
• The numbers next to Dimensions are the pixel dimensions of the image