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About PPI Calculator
Work out pixels per inch from resolution and screen size to compare phone, monitor and TV sharpness.
PPI, pixels per inch, tells you how sharp a screen is. It depends on two things: the resolution and the diagonal size. A 6.1 inch phone with 1170 x 2532 pixels reaches about 460 PPI, while a 27 inch 1440p monitor sits around 109 PPI. A PPI calculator gives you the number in seconds so you can compare any two screens fairly.
The PPI Formula
PPI equals the square root of width squared plus height squared, divided by the diagonal size in inches. For example, a 24 inch 1920 x 1080 monitor works out to about 92 PPI.
How Much PPI Do You Need
- Phones: 400 PPI and above looks very sharp at close range.
- Monitors: 100 to 140 PPI is comfortable at desk distance.
- TVs: lower PPI is fine because you sit far away.
PPI Vs DPI
PPI describes pixels on a screen, while DPI describes ink dots in printing. People often use them interchangeably for screens, and Android also uses DPI for display density.
Which App The Install Button Opens
The button opens PPI Calc – DPI Calculator by AppNextDoor Labs on Google Play, which calculates pixel density from dimensions and pixel count and explains PPI categories. Find your current resolution with What Is My Screen Resolution.
Key Features
- Calculates PPI from resolution and diagonal
- Explains PPI vs DPI
- Categorizes screens by pixel density
- Works for phones, monitors and TVs
- Simple input fields
Our Take On PPI Calculator
What We Like
- Fair way to compare screen sharpness
- Helps choose monitor size and resolution
- Free
What Could Be Better
- Assumes square pixels
- Needs the exact diagonal size
Download Safety
- Official source You get it from the official store listing.
- No changes made You install the developer's own build, nothing in between.
Questions People Ask About PPI Calculator
01 How do I calculate PPI?
Take the square root of width squared plus height squared, then divide by the diagonal size in inches.
02 What is a good PPI for a monitor?
About 100 to 140 PPI is comfortable at normal desk distance.
03 Is PPI the same as DPI?
Not exactly. PPI is for screens, DPI is for print, but people often use them the same way for displays.
04 Is PPI Calculator free to download?
Yes. PPI Calculator is free to download and install.
05 Is it safe to install PPI Calculator from here?
Yes. The button opens the official store listing, so you install it the normal way and get automatic updates.
06 How do I update PPI Calculator?
Once PPI Calculator is installed from the store, updates arrive on their own. You can also tap Install New Version on this page to open the newest release.
How To Install PPI Calculator
- Tap the install button. The official store page opens.
- Tap Install and wait for it to finish.
- Open the app from your home screen.
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