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Screen Size Calculator Nasıl Hesaplanır?

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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.

Adım Adım Kılavuz

  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

Çözümlü Örnekler

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

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