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Screen size calculator
Screen diagonal
mm
inch
foot
meter
Resolution
Calculate screen size !
Screen size
Aspect ratio:
0.5625
(portrait orientation)
Type of aspect ratio = HD 16:9 (vertical)
Screen dimensions
mm
inch
foot
meter
Screen diagonal
65
"
5.42
ft
1.65
m
Screen width
809
mm
31.9
"
2.66
ft
0.81
m
Screen height
56.7
"
4.72
ft
1.44
m
Screen surface
12.5
sq.ft.
1.16
m²
Pixel density
Megapixels:
8.3 MP
(8,294,400 pixels)
Pixel size =
0.375
mm
Pixel density =
67.8
dpi (dots-per-inch)
Pixel density =
2.7
dpmm (dots-per-mm)
Viewing distance
Viewing distances
mm
inch
foot
meter
Minimum viewing distance
max 70° viewing angle for full field-of-view experience
578
mm
22.8
"
1.9
ft
0.58
m
Visual Acuity minimum distance
pixel < 1/60° so that individual pixels cannot be seen
50.7
"
4.23
ft
1.29
m
Ideal viewing distance
30° viewing angle for full field-of-view experience
59.5
"
4.96
ft
1.51
m
Maximum viewing distance
min 26° viewing angle for full field-of-view experience
69
"
5.75
ft
1.75
m
Examples
Digital TV:
32" HD
•
40" HD
•
43" HD
•
55" 4K UHD
•
65" 4k UHD
•
75" 8K UHD
Ultrawide 4K:
34" gaming monitor
•
49" gaming monitor
Apple:
21.5" iMac
•
27" iMac Retina
•
27" 5K iMac Pro
•
32" Pro Display XDR
Digital cinema:
20ft 2K scope
•
24ft 2K flat
•
80ft IMAX Laser 4K
Digital Signage (vertical):
55" Full HD portrait
•
65" 4K portrait
Apple Watch:
40mm Series 5
-
44mm Series 5
IoT:
7" Raspberry Pi screen