Enter the total PPI along the length and the total PPI along the height to calculate the pixel density.

## Pixel Density Formula

The following formula is used to calculate the pixel density of a screen.

PD = PPIw * PPIh

- Where PD is the pixel density in pixels per square inch
- PPIw is the pixels per inch along the width
- PPIh is the pixel per inche along the height

## Pixel Density Definition

A pixel density is defined as the the total number of pixels per square inch of a screen. It can also be defined as the number of pixels per square mm or any other unit of length, but inch is the most common.

## Pixel Density Example

How to calculate a pixel density?

**First, determine the PPI along the width.**Using the calculator linked above or a formula, determine the PPI along the width.

**Next, determine the PPI along the height.**Using the same method calculate the pixels per inch along the height.

**Finally, calculate the pixel density.**Calculate the pixel density using the formula above.

## FAQ

**What is pixel density?**

Pixel density is a determine used to described the amount of pixels per unit of area.

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