ScreenSizeCompare
Manual: compare any two screens by diagonal and aspect ratio.
Manual mode Device lists

Manual screen comparison

Enter diagonal (in inches) and aspect ratio (W:H) for Screen A and Screen B. Hit Compare to see overlay and detailed size differences.

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Screen A (blue)
Example: TV 55″, laptop 15.6″, phone 6.1″
:
TVs: 16:9 · Many laptops: 16:10 · Ultrawide: 21:9.
Screen B (green)
Example: 65″ TV, 27″ monitor, 14″ laptop
:
Older monitors / some tablets: 4:3.
Quick presets: 55″ vs 65″ TV (16:9) 24″ vs 27″ monitor 14″ 16:10 vs 15.6″ 16:9
Result: Screen B is about 39.7% larger by screen area.
Screen A (55.00″, 16:9) Screen B (65.00″, 16:9)
Screen A
Screen B
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Screen A

Manual input · 55.00″ · 16:9

Width
47.94″
Height
26.96″
Area
1,292.6 in²
Shape
1.78:1
Recommended viewing distance
72 in

Screen B

Manual input · 65.00″ · 16:9

Width
56.65″
Height
31.87″
Area
1,805.3 in²
Shape
1.78:1
Recommended viewing distance
85 in
Metric Screen A Screen B Diff (Screen A vs Screen B)
Diagonal 55.00″ 65.00″ -15.4%
Width 47.94″ 56.65″ -15.4%
Height 26.96″ 31.87″ -15.4%
Area 1,292.58 in² 1,805.34 in² -28.4%

Δ diagonal: 10.00″, Δ width: 8.72″, Δ height: 4.90″.

Shapes are effectively the same (aspect within ~2%).

Overlays are computed from diagonal and aspect ratio only. All dimensions in inches; area in square inches.