PPI Calculator โ€“ Free Pixels Per Inch Calculator

Use our free PPI calculator to determine the pixel density of any display. Simply enter your screen resolution and screen size to calculate Pixels Per Inch (PPI), compare display sharpness, and evaluate screen quality for monitors, laptops, TVs, tablets, and smartphones.

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PPI Calculator
Pixel density ยท Display sharpness ยท Screen resolution
Enter your screen's resolution and diagonal size to calculate its pixel density. Higher PPI = sharper, more detailed image. Use presets below for instant results.
Screen Resolution
Horizontal
px
Vertical
px
Diagonal Screen Size
inches
Common Presets
โš ๏ธ Please enter all three values โ€” horizontal pixels, vertical pixels, and screen size.
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PPI
Pixels per inch
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DPCM
Dots per cm
โ€”
MP
Megapixels
Aspect Ratioโ€”
Total Pixelsโ€”
Width (cm)โ€”
Height (cm)โ€”

Why Use PPI Calculator?

Quick Benefits

Measure Screen Sharpness

Calculate the true pixel density of any display and understand how sharp your screen appears.

Compare Different Displays

Compare monitors, laptops, smartphones, and TVs based on their PPI values.

Easy & Accurate

Get instant and accurate PPI calculations without complicated formulas.

Free Online Tool

Use the calculator directly from your browser without downloads or registration.

How to Use the PPI Calculator?

How to use

Step 1

Enter the screen width resolution in pixels.

Step 2

Enter the screen height resolution in pixels.

Step 3

Enter the screen size in inches.

Step 4

Click the Calculate button.

Step 5

View your Pixels Per Inch (PPI) result instantly.

Step 6

Compare the result with other devices if needed.

What Is PPI?

PPI (Pixels Per Inch) measures the number of pixels displayed within one inch of screen space. It is one of the most important factors in determining display sharpness and image clarity.

Higher PPI values generally produce sharper text, clearer images, and a more detailed viewing experience.

Why Is PPI Important?

Pixel density affects how crisp content appears on a screen. Displays with higher PPI values offer:

  • Sharper text rendering
  • Improved image quality
  • Better visual detail
  • Enhanced gaming experiences
  • More professional design accuracy

Understanding PPI helps users make informed purchasing decisions when selecting a monitor, laptop, smartphone, or television.

What does PPI stand for?

PPI stands for Pixels Per Inch, a measurement of screen pixel density.

Generally yes. Higher PPI results in sharper images and text, especially when viewed at close distances.

Yes. PPI is one of the best ways to compare the sharpness of different displays regardless of screen size.

Yes. The same resolution spread across a larger screen results in a lower PPI value.

Yes. The tool is completely free and works directly in your browser.

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