The keyword is a dual-intent search term with two very different meanings depending on whether you are an engineer or a gamer.
Pixel density per square millimeter represents how many individual digital data points (pixels) are packed into a physical area of one square millimeter. pixel value mm2
value per pixel is vital for accurate scientific analysis, such as measuring the size of an annotation area in microscopy. "pixel value mm2" The keyword is a dual-intent
(free, common for area measurements):
This report examines the relationship between pixel values physical area (measured in m m squared pixel value mm2
If your image metadata gives: