Screen size calculator

Screen size

Screen dimensionsmminchfootmeter
Screen diagonal178mm7"0.58ft0.18m
Screen width153mm6"0.5ft0.15m
Screen height91.5mm3.6"0.3ft
Screen surface21.6 sq.in.0.15 sq.ft.

Pixel density

Pixel size = 0.191 mm
Pixel density = 133.3 dpi (dots-per-inch)
Pixel density = 5.2 dpmm (dots-per-mm)

Viewing distance

Viewing distancesmminchfootmeter
Minimum viewing distance
max 70° viewing angle for full field-of-view experience
109mm4.29"0.36ft0.11m
Visual Acuity minimum distance
pixel < 1/60° so that individual pixels cannot be seen
655mm25.8"2.15ft0.66m
Ideal viewing distance
30° viewing angle for full field-of-view experience
285mm11.2"0.93ft0.28m
Maximum viewing distance
min 26° viewing angle for full field-of-view experience
330mm13"1.08ft0.33m

Examples