Pixel Density (PPI)

Calculate Pixel Density (PPI) instantly with the exact formula and a worked example.

Pixel Density (PPI)

Diagonalin
Pixels wide
Pixels tall
PPI
91.7878
Calculate Pixel Density (PPI) instantly with the exact formula and a worked example.

More about: Pixel Density (PPI)

What it calculates

The “Pixel Density (PPI)” calculator computes PPI from 3 parameters: diagonal (in), pixels wide, pixels tall.

Used by photographers and videographers when setting up a shoot.

Example calculation

With parameters Diagonal = 24 in, Pixels wide = 1,920, Pixels tall = 1,080 the result is 91.79.

How to use

  1. Enter diagonal, pixels wide and pixels tall — each field above is adjustable with a slider.
  2. PPI is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Pixel Density (PPI) calculated?
The Pixel Density (PPI) calculator computes PPI from diagonal, pixels wide, pixels tall. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Pixel Density (PPI) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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