Screen size calculator

Screen size

Height= 91.3mm = 3.6inch
Width= 153mm = 6.01inch = 0.5foot
Diagonal= 178mm = 7inch = 0.583foot
Surface= 21.6inch2
Aspect ratio: 1.67 (landscape orientation)

Pixel density

Megapixels: 0.4 MP (384,000 pixels)
Pixel size = 191µm
Pixel density = 133.2 dpi (dots-per-inch)
Pixel density = 5.2 dpmm (dots-per-mm)

Viewing distance

  • Minimum viewing distance = 133mm = 5.24inch
    (max 70° viewing angle for full field-of-view experience)
  • Visual Acuity minimum distance = 25.8inch = 2.15foot = 0.656meter
    (pixel < 1/60° so that individual pixels cannot be seen)
  • Ideal viewing distance = 295mm = 11.6inch = 0.967foot
    (30° viewing angle for full field-of-view experience)
  • Maximum viewing distance = 339mm = 13.3inch = 1.11foot
    (min 26° viewing angle for full field-of-view experience)

Examples