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Pixels Per Square Inch (PPI) Calculator
Pixels Per Square Inch (PPI) Formula: Diagonal Pixels = Square root of (Vertical Pixels² + Horizontal Pixels²)

PPI = Diagonal Pixels / inches

Pixels Per Square Inch (PPI) Definition
Determining Pixels Per Square Inch (PPI) is essential for choosing the right computer monitor or television. This will give you a better idea as to what the optimal screen resolution for your monitor or television is. It is also useful to graphic designers that need to determine the scale of an image.

Inputs on Basic PPI Calculator
  1. Vertical resolution in Pixels. Consult the manufacturer’s listings or advertisements to determine this.
  2. Horizontal resolution in pixels. This is how many pixels occupy the length of the screen, again which is obtainable from the manufacturer.
  3. Diagonal length of the screen in inches. This is often what is advertised as the screen size, such as 32″ Flat Screen TV.

Once these inputs are determined, all you need to do is enter them into the calculator and determine whether or not the output fits your needs.

Can Be Embedded On a Website
The calculator can also be customized and embedded on a website that can be used by your visitors to determine their optimal Pixels Per Square Inch. Everything from the background color to the font size and font type can be changed for your users. This will allow it to match a site’s color scheme, and integrate more fluidly with the design of the site.

Good For Business
This widget will provide an engaging experience for website visitors that will keep them on a site for longer – and thus more likely to click ads or buy products.

How to Calculate Pixels Per Square Inch (PPI)
Let's be honest - sometimes the best pixels per square inch (ppi) calculator is the one that is easy to use and doesn't require us to even know what the pixels per square inch (ppi) formula is in the first place! But if you want to know the exact formula for calculating pixels per square inch (ppi) then please check out the "Formula" box above.
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