Summary

In comparison to a 31.5 inch 16x9 TV a 40 inch 21x9 is...

2% larger diagonally and 4% larger by area as a 16x9 display.

2% larger diagonally and 4% larger by area as a 4x3 display.


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Screen Size Comparison

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Size    


40 inch 21x9 display vs 31.5 inch 16x9 display



Buy From 40 inch 21x9 31.5 inch 16x9
Amazon40 Inch TV31.5 Inch TV
  
StatsUse cm 40 inch 21x9 31.5 inch 16x9
Width36.77 inches27.45 inches
Height15.76 inches15.44 inches
Area579.31 inches²423.99 inches²
As a 4:3 Display26.26 inches25.74 inches
As a 16:9 Display32.14 inches31.50 inches
As a 2.35:1 Display39.96 inches29.84 inches
  
In Comparison 40 inch 21x9 31.5 inch 16x9
Actual Aspect Ratios26.98% larger diagonal
36.63% larger area
21.25% smaller diagonal
26.81% smaller area
As a 4:3 Display2.03% larger diagonal
4.10% larger area
1.99% smaller diagonal
3.94% smaller area
As a 16:9 Display2.03% larger diagonal
4.10% larger area
1.99% smaller diagonal
3.94% smaller area
As a 2.35:1 Display33.91% larger diagonal
79.33% larger area
25.33% smaller diagonal
44.24% smaller area
  
Share your Comparison40 inch 21x9 display vs 31.5 inch 16x9 display