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Kaip apskaičiuoti Screen Size Calculator

Kas yra Screen Size Calculator?

A screen size calculator computes a monitor's or TV's actual width, height, and pixel density (PPI) from the diagonal measurement and aspect ratio. It helps compare displays of different sizes and resolutions.

Žingsnis po žingsnio vadovas

  1. 1Use Pythagoras' theorem with the aspect ratio to derive width and height from diagonal
  2. 2For 16:9 aspect ratio: height = diagonal × 9 / √(16²+9²); width = height × 16/9
  3. 3PPI = √(horizontal pixels² + vertical pixels²) / diagonal inches

Worked Examples

Įvestis
27-inch 16:9 monitor · 2560×1440 resolution
Rezultatas
23.5" × 13.2" · 109 PPI
QHD resolution at common desk size
Įvestis
55-inch TV · 3840×2160 (4K)
Rezultatas
47.9" × 27" · 80 PPI
Typical living room 4K TV

Nustatymai

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