Calculate pixels per square foot from PPI, pixel pitch, or LED wall size, and estimate resolution, total pixels, and density in px/sq ft or px/sq m.

Pixels Per Square Foot Calculator

PPI ⇄ Pixels/sq ft
Pixel pitch → density
Wall size → resolution

Enter one value to calculate the other

Pixels Per Square Foot Formula

The following formula is used to calculate the pixels per square foot for a given number of pixels per inch. 

P_{sf} = (P_{pi})^2 * (I_{f})^2

Variables:

  • Psf is the pixels per square foot
  • Ppi is the pixels per inch
  • If is the inches per foot (typically 12 inches)

To calculate the pixels per square foot, square the number of pixels per inch and multiply by the square of the number of inches per foot.

What is Pixels Per Square Foot?

Pixels per square foot is a measure of the resolution of a display or image in terms of the number of pixels contained within a square foot area. This metric is particularly useful in fields such as digital signage, printing, and display manufacturing, where understanding the pixel density over a given area is crucial for ensuring image clarity and quality. Higher pixels per square foot indicate a higher resolution and finer detail in the displayed image.

How to Calculate Pixels Per Square Foot?

The following steps outline how to calculate the Pixels Per Square Foot.

  1. First, determine the number of pixels per inch (Ppi).
  2. Next, determine the number of inches per foot (If), which is typically 12 inches.
  3. Next, calculate the pixels per square foot using the formula Psf = (Ppi)² * (If)².
  4. Finally, calculate the Pixels Per Square Foot.
  5. After inserting the values and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

Pixels Per Inch (Ppi) = 100

Inches Per Foot (If) = 12