Screen size calculator

Screen size

Screen dimensionsmminchfootmeter
Screen diagonal49"4.08ft1.24m
Screen width45.2"3.77ft1.15m
Screen height481mm18.9"1.58ft0.48m
Screen surface855 sq.in.5.94 sq.ft.0.55

Pixel density

Pixel size = 0.334 mm
Pixel density = 76.1 dpi (dots-per-inch)
Pixel density = 3 dpmm (dots-per-mm)

Viewing distance

Viewing distancesmminchfootmeter
Minimum viewing distance
max 70° viewing angle for full field-of-view experience
820mm32.3"2.69ft0.82m
Visual Acuity minimum distance
pixel < 1/60° so that individual pixels cannot be seen
45.2"3.76ft1.15m
Ideal viewing distance
30° viewing angle for full field-of-view experience
84.3"7.03ft2.14m
Maximum viewing distance
min 26° viewing angle for full field-of-view experience
97.9"8.16ft2.49m

Examples