DPI / PPI — Calculate Pixel Density of Displays

Use this DPI and PPI calculator to find the pixel density of monitors, laptops and smartphones. Enter your screen resolution and display size to calculate pixels per inch.

DPI / PPI Calculator

Calculate the pixel density of monitors, laptops and smartphones based on screen resolution and display size.

📏 Pixel density -
🖥 Total pixels -
⭐ Display quality -
💡 Tip: Higher PPI usually means a sharper image, especially on smaller screens viewed from close distances.

What is PPI?

PPI (pixels per inch) shows how many pixels are displayed in one inch of screen space. Higher PPI usually means a sharper image.

Is higher PPI always better?

Higher pixel density usually improves image sharpness, but it also depends on screen size, viewing distance and operating system scaling.

What is a good PPI for a monitor?

Around 90–110 PPI is common for desktop monitors, while modern smartphones often exceed 300 PPI.

What is the difference between DPI and PPI?

PPI is used for digital displays, while DPI is commonly used for printing. In everyday technology discussions, people often use these terms interchangeably.