Screen Resolution & PPI Calculator

A Screen A

px
px
Pixel density
163.18 PPI
64.24 pixels per cm · dot pitch 0.1557 mm
Aspect ratio16:9
1.78 : 1
Resolution8.29 megapixels
Physical size23.53 × 13.24 in
59.77 × 33.62 cm
Pixels blend beyond (20/20 vision)21.07 in
53.5 cm
At 24 in68.4 px per degree
Pixels invisible

B Screen B

px
px
Pixel density
264.68 PPI
104.2 pixels per cm · dot pitch 0.096 mm
Aspect ratio683:512 (≈ 4:3)
1.33 : 1
Resolution5.6 megapixels
Physical size10.32 × 7.74 in
26.22 × 19.66 cm
Pixels blend beyond (20/20 vision)12.99 in
33 cm
At 15 in69.3 px per degree
Pixels invisible

B is 1.62× denser than A. A 1000 px wide image is 6.13 in wide on A and 3.78 in on B.

How the “pixels blend” distance is derived

Normal 20/20 acuity separates two details about 1 arcminute apart (1/60 of a degree, 0.000290888 radians).

Screen Resolution & PPI Calculator by ArtsInterstices