Screen Size Calculator
Calculate the actual width and height of a screen from its diagonal size and aspect ratio. Useful when buying monitors, TVs, or tablets.
Width
20.92"
53.13cm
Height
11.77"
29.89cm
Aspect Ratio
16:9
Screen Area (Inches)
246.12 in2
Screen Area (CM)
1587.90 cm2
Visual Scale (not actual size)
Common Screens
| Screen | Width | Height | Type |
|---|---|---|---|
| 21.5" 16:9 | 18.7" | 10.5" | Monitor |
| 24" 16:9 | 20.9" | 11.8" | Monitor |
| 27" 16:9 | 23.5" | 13.2" | Monitor |
| 32" 16:9 | 27.9" | 15.7" | Monitor |
| 34" 21:9 | 31.3" | 13.4" | Ultrawide |
| 49" 32:9 | 47.2" | 13.3" | Super Ultrawide |
| 55" 16:9 | 47.9" | 27.0" | TV |
| 65" 16:9 | 56.7" | 31.9" | TV |
Click any row to load that screen size
Conversion: 1 inch = 2.54 cm
Diagonal measurement is the distance from one corner of the screen to the opposite corner. Use this calculator when shopping for monitors or TVs to understand actual screen dimensions.
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