Summary
In comparison to a 28 inch 16x9 TV a 21 inch 16x9 is...25% smaller diagonally and 44% smaller by area as a 16x9 display.
25% smaller diagonally and 44% smaller by area as a 4x3 display.
Screen Size Comparison
21 inch 16x9 display vs 28 inch 16x9 display
| Buy From | 21 inch 16x9 | 28 inch 16x9 | |
| Amazon | 21 Inch TV | 28 Inch TV | |
| StatsUse cm | 21 inch 16x9 | 28 inch 16x9 | |
| Width | 18.30 inches | 24.40 inches | |
| Height | 10.30 inches | 13.73 inches | |
| Area | 188.44 inches² | 335.00 inches² | |
| As a 4:3 Display | 17.16 inches | 22.88 inches | |
| As a 16:9 Display | 21.00 inches | 28.00 inches | |
| As a 2.35:1 Display | 19.89 inches | 26.52 inches | |
| In Comparison | 21 inch 16x9 | 28 inch 16x9 | |
| Actual Aspect Ratios | 25.00% smaller diagonal 43.75% smaller area | 33.33% larger diagonal 77.78% larger area | |
| As a 4:3 Display | 25.00% smaller diagonal 43.75% smaller area | 33.33% larger diagonal 77.78% larger area | |
| As a 16:9 Display | 25.00% smaller diagonal 43.75% smaller area | 33.33% larger diagonal 77.78% larger area | |
| As a 2.35:1 Display | 25.00% smaller diagonal 43.75% smaller area | 33.33% larger diagonal 77.78% larger area | |
| Share your Comparison | 21 inch 16x9 display vs 28 inch 16x9 display |