Pixel density: Difference between revisions
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[[File:Pixel density PPI formula.png|left]] | [[File:Pixel density PPI formula.png|left]] | ||
<math>\sqrt{1-e^2}</math> | |||
where Wp is the horizontal number of pixels; Hp, the vertical number of pixels; and S, the screen size. As an example, a 32 inches TV with a resolution of 1080p (1920 x 1080 pixels) will result in a pixel density of 68.84 ppi. <ref name=”2”></ref> | where Wp is the horizontal number of pixels; Hp, the vertical number of pixels; and S, the screen size. As an example, a 32 inches TV with a resolution of 1080p (1920 x 1080 pixels) will result in a pixel density of 68.84 ppi. <ref name=”2”></ref> | ||