Summary
In comparison to a 40 inch 21x9 TV a 42 inch 16x9 is...31% larger diagonally and 71% larger by area as a 16x9 display.
31% larger diagonally and 71% larger by area as a 4x3 display.
Screen Size Comparison
42 inch 16x9 display vs 40 inch 21x9 display
| Buy From | 42 inch 16x9 | 40 inch 21x9 | |
| Amazon | 42 Inch TV | 40 Inch TV | |
| StatsUse cm | 42 inch 16x9 | 40 inch 21x9 | |
| Width | 36.61 inches | 36.77 inches | |
| Height | 20.59 inches | 15.76 inches | |
| Area | 753.76 inches² | 579.31 inches² | |
| As a 4:3 Display | 34.32 inches | 26.26 inches | |
| As a 16:9 Display | 42.00 inches | 32.14 inches | |
| As a 2.35:1 Display | 39.78 inches | 39.96 inches | |
| In Comparison | 42 inch 16x9 | 40 inch 21x9 | |
| Actual Aspect Ratios | 5.00% larger diagonal 30.11% larger area | 4.76% smaller diagonal 23.14% smaller area | |
| As a 4:3 Display | 30.68% larger diagonal 70.77% larger area | 23.48% smaller diagonal 41.44% smaller area | |
| As a 16:9 Display | 30.68% larger diagonal 70.77% larger area | 23.48% smaller diagonal 41.44% smaller area | |
| As a 2.35:1 Display | 0.43% smaller diagonal 0.87% smaller area | 0.44% larger diagonal 0.87% larger area | |
| Share your Comparison | 42 inch 16x9 display vs 40 inch 21x9 display |