To determine how many pixels are in 15 inches, we need to know the pixel density or pixels per inch (PPI) of the display. The PPI value indicates how many pixels are present in one inch of the display.
Common PPI values for displays include 72, 96, 120, 220, 300, and higher, depending on the resolution and size of the screen.
PPI:
Value(Inches):
Value(Pixels):