Screen size calculator

Screen size

Aspect ratio: 1.333333 (landscape orientation)
Screen dimensionsmminchfootmeter
Screen diagonal300"25ft7.62m
Screen width240"20ft6.1m
Screen height180"15ft4.57m
Screen surface300 sq.ft.27.9m²

Pixel density

Megapixels: 4.9 MP (4,915,200 pixels)
Pixel size = 2.38 mm = 0.094 inch
Pixel density = 10.7 dpi (dots-per-inch)
Pixel density = 0.4 dpmm (dots-per-mm)

Viewing distance

Viewing distancesmminchfootmeter
Minimum viewing distance
max 70° viewing angle for full field-of-view experience		171"14.3ft4.35m
Visual Acuity minimum distance
pixel < 1/60° so that individual pixels cannot be seen		322"26.9ft8.19m
Ideal viewing distance
30° viewing angle for full field-of-view experience		448"37.3ft11.4m
Maximum viewing distance
min 26° viewing angle for full field-of-view experience		520"43.3ft13.2m

Examples