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Kā aprēķināt Screen Size Calculator

Kas ir 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.

Soli pa solim ceļvedis

  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

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

Iestatījumi

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