Pixel Density Calculator
Calculate pixels per inch (PPI) and dot pitch for displays and screens.
PPI
91.79
Dot Pitch
0.277 mm
Frequently Asked Questions
What is PPI?
PPI (pixels per inch) measures display sharpness. Higher PPI = sharper image. Apple Retina displays are typically 218+ PPI.
What PPI is considered Retina?
Apple defines Retina as the point where individual pixels are not distinguishable at a typical viewing distance, typically 220+ PPI for phones.