PPI Calculator

Pixels Per Inch also known as PPI is the measure of the resolution of a digital display. This digital display can be of anything like a tablet, smartphone, or computer and the PPI will show you how crisp the resolution is. With our handy PPI Calculator, you will be able to find the best resolution in no time!

Dpi Calculator

Enter Information
Inches (0cm)
Advance Option
Height (px) Width (px) PHYS Size
0 0 0


Fill the calculator form and click on Calculate button to get result here
Dot Pitch 0
Size 0" × 0"
Aspect Ratio 0" × 0"
Pixel Count 0
Megapixels 0

What Is A PPI Calculator?

A PPI calculator is a tool that works out how many pixels fit into one inch of a screen. It uses the size and resolution of the screen to do this. When you know a screen’s PPI, you can understand its pixel density.

High pixel density means pictures look sharp and clear. What does this mean though? The higher the PPI, the more pixels there are in each inch, resulting in a sharper and more detailed image.

This calculator helps you see the difference between screens like on smartphones or computers. Some have lots of pixels packed tight together for great detail – these are often called retina displays.

Others might have fewer pixels spread out and don’t show things as finely. Using this tool lets you compare different devices to find out which has the best display for your eyes!

How Does The PPI Calculator Work?

The PPI Calculator simplifies the intricate process of determining a screen’s pixel density, transforming complex calculations into user-friendly results with precision. By inputting basic display specifications, this tool efficiently calculates the pixels per inch to reveal the sharpness and clarity of your device’s screen.

PPI and DPI Calculation Formula

To figure out how many pixels per inch (PPI) a screen has, you can use the formula: PPI = diagonal in Pixels / diagonal in Inches. This means you take the length of the screen’s diagonal in pixels and divide it by the length of the diagonal in inches.

DPI, which stands for dots per inch, it’s kind of similar but is usually used when talking about printers.

Let’s make this simple with an example. If your computer monitor has a width of 1920 pixels and a height of 1080 pixels, first find out how long the diagonal is using dots. Use dp = √(width)^2 + (height)^2 to do that.

Once you have this number, just divide it by your screen’s size from one corner to another across to get PPI. It sounds like math class all over again, but once you’ve done it a few times, calculating PPI or DPI becomes easy!

Step-by-Step Guide For Manual PPI Calculation

Calculating PPI by hand teaches you about your screen’s quality. Here’s how you can figure it out yourself.

  1. First, write down your screen’s resolution. This means the number of pixels along the width and height.
  2. Next, note the diagonal size of your screen in inches.
  3. Use a calculator to square the horizontal resolution (multiply it by itself).
  4. Do the same for the vertical resolution, make sure to square this number too.
  5. Add these two squared numbers together.
  6. Find the square root of that sum; this tells you your screen’s diagonal in pixels.
  7. Lastly, divide this diagonal pixel number by your screen’s diagonal size.

Options and Features of the PPI Calculator

Delve into the versatility of PPI calculators as they offer tailored functionalities for a range of devices, enriching user experience with intuitive designs and real-time insights that adapt to your specific screen dimensions and resolutions.

Discover how these tools enhance accuracy and streamline the process for achieving optimal image clarity on any gadget you use.

1. Device-Specific Options For Computers, Phones, And Tablets

You can use a PPI calculator for different gadgets like your laptop, smartphone, or tablet. The tool figures out the PPI by using the number of pixels on the screen width and height and how big the screen is from corner to corner.

It works for any device with a screen. If you have an iPhone XR or an iMac, it doesn’t matter. Just key in your device’s pixel count and its screen size. Then, the calculator quickly tells you how sharp your display is.

This cool gadget also lets you choose options made just for computers, phones, or tablets. That means it knows if screens should have square pixels or not and understands all about aspect ratios unique to each device type.

Whether you’re checking out photos on a phone or watching videos on a tablet, this calculator helps make sure everything looks clear and crisp!

2. User Feedback And Ease Of Use

Just like you pick the right tool for a school project, it’s important to choose a PPI calculator that works well and feels easy. People who use the calculator can tell us what they think about it.

This helps make sure the calculator is simple to use. Knowing how screen resolution and image size fit together should not be hard. If something is confusing or could be better, we want to hear about it! We give our email so anyone can send us feedback or ask for help.

This PPI calculator aims to make learning fun and easy. You don’t need big words or math puzzles to understand pixels per inch or dots per inch. With clear steps, you’ll learn how your phone, tablet, or computer screen shows crisp pictures or why some images look grainy.

And if you ever get stuck, help is just an email away in your journey through digital images and display resolutions.


Question: How Do I Find Out My Screen’s PPI?

You can use a PPI calculator which needs the display size, screen width in pixels, and screen height in pixels; then it uses the Pythagorean theorem to find the PPI.

Question: Can I Use DPI Instead Of PPI For Screens?

No, DPI stands for dots per inch and is used mainly for printers while PPI is used for screens on things like phones, tablets, and computer monitors.

Question: Why Is Knowing My Image’s Resolution Important When Printing?

Knowing your image resolution helps you make sure that your photo will be clear when printed at your chosen print size without losing quality.

Question: Does Resizing An Image Change Its Resolution?

Yes, resizing an image can change both its pixel dimensions and its display technology since you’re changing how many pixels fit into each part of the resized picture.

Question: If I Have A High-Resolution Digital Camera Photo, Will It Always Look Great On Any Screen Or Printout?

Not always because different devices like handhelds or inkjet printers might show colors differently if they have lower-resolution displays or paper sizes which may affect how sharp your photo looks.

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