Calculates screen diagonal, PPI, and aspect ratio from width and height.
The screen size calculator finds the diagonal in inches from the physical dimensions, computes the pixel density (PPI), and checks common display standards.
Diagonal (cm) = √(width² + height²) Diagonal (inches) = Diagonal (cm) / 2.54 PPI = √(horizontal_pixels² + vertical_pixels²) / Diagonal (inches) Aspect ratio = width / GCD(width, height) : height / GCD(width, height)
Monitor 60.96 cm wide × 34.29 cm tall. Diagonal = √(3716 + 1176) = √4892 ≈ 69.94 cm ≈ 27.5 inches. At 2560×1440 resolution: PPI = √(6,553,600 + 2,073,600) / 27.5 ≈ 107 PPI.
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