Pixels Per Inch (PPI) Calculator


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Screen Width

This is the width of the display in pixels, typically provided by the device or display specifications.

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Screen Height

This is the height of the display in pixels. Together with the width, it defines the screen resolution.

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Diagonal Size

This is the diagonal measurement of the display in inches, typically labeled as the "screen size."

Calculate PPI


Common PPI Questions

What is Pixels Per Inch (PPI)?

PPI is a measurement of pixel density, referring to the number of pixels present per inch of a display. A higher PPI indicates a sharper display.

Why is PPI important?

PPI affects the visual clarity of a display. Higher PPI values create sharper images, while lower values may result in visible pixels or pixelation.

How is PPI calculated?

PPI is calculated using the formula:
PPI = √(width^2 + height^2) / diagonal size

How does PPI differ from DPI?

PPI measures digital display density, while DPI (dots per inch) is used in print and refers to the resolution of printed images.