Summary
In comparison to a 30 inch 21x9 TV a 40 inch 21x9 is...33% larger diagonally and 78% larger by area as a 16x9 display.
33% larger diagonally and 78% larger by area as a 4x3 display.
Screen Size Comparison
40 inch 21x9 display vs 30 inch 21x9 display
| Buy From | 40 inch 21x9 | 30 inch 21x9 | |
| Amazon | 40 Inch TV | 30 Inch TV | |
| StatsUse cm | 40 inch 21x9 | 30 inch 21x9 | |
| Width | 36.77 inches | 27.57 inches | |
| Height | 15.76 inches | 11.82 inches | |
| Area | 579.31 inches² | 325.86 inches² | |
| As a 4:3 Display | 26.26 inches | 19.70 inches | |
| As a 16:9 Display | 32.14 inches | 24.10 inches | |
| As a 2.35:1 Display | 39.96 inches | 29.97 inches | |
| In Comparison | 40 inch 21x9 | 30 inch 21x9 | |
| Actual Aspect Ratios | 33.33% larger diagonal 77.78% larger area | 25.00% smaller diagonal 43.75% smaller area | |
| As a 4:3 Display | 33.33% larger diagonal 77.78% larger area | 25.00% smaller diagonal 43.75% smaller area | |
| As a 16:9 Display | 33.33% larger diagonal 77.78% larger area | 25.00% smaller diagonal 43.75% smaller area | |
| As a 2.35:1 Display | 33.33% larger diagonal 77.78% larger area | 25.00% smaller diagonal 43.75% smaller area | |
| Share your Comparison | 40 inch 21x9 display vs 30 inch 21x9 display |