Summary
In comparison to a 30 inch 21x9 TV a 21.5 inch 16x9 is...11% smaller diagonally and 20% smaller by area as a 16x9 display.
11% smaller diagonally and 20% smaller by area as a 4x3 display.
Screen Size Comparison
21.5 inch 16x9 display vs 30 inch 21x9 display
| Buy From | 21.5 inch 16x9 | 30 inch 21x9 | |
| Amazon | 21.5 Inch TV | 30 Inch TV | |
| StatsUse cm | 21.5 inch 16x9 | 30 inch 21x9 | |
| Width | 18.74 inches | 27.57 inches | |
| Height | 10.54 inches | 11.82 inches | |
| Area | 197.52 inches² | 325.86 inches² | |
| As a 4:3 Display | 17.57 inches | 19.70 inches | |
| As a 16:9 Display | 21.50 inches | 24.10 inches | |
| As a 2.35:1 Display | 20.36 inches | 29.97 inches | |
| In Comparison | 21.5 inch 16x9 | 30 inch 21x9 | |
| Actual Aspect Ratios | 28.33% smaller diagonal 39.39% smaller area | 39.53% larger diagonal 64.98% larger area | |
| As a 4:3 Display | 10.81% smaller diagonal 20.44% smaller area | 12.11% larger diagonal 25.70% larger area | |
| As a 16:9 Display | 10.81% smaller diagonal 20.44% smaller area | 12.11% larger diagonal 25.70% larger area | |
| As a 2.35:1 Display | 32.04% smaller diagonal 53.82% smaller area | 47.15% larger diagonal 116.53% larger area | |
| Share your Comparison | 21.5 inch 16x9 display vs 30 inch 21x9 display |