Summary
In comparison to a 40 inch 16x9 TV a 21 inch 4x3 is...52% smaller diagonally and 77% smaller by area as a 16x9 display.
36% smaller diagonally and 59% smaller by area as a 4x3 display.
Screen Size Comparison
21 inch 4x3 display vs 40 inch 16x9 display
| Buy From | 21 inch 4x3 | 40 inch 16x9 | |
| Amazon | 21 Inch TV | 40 Inch TV | |
| StatsUse cm | 21 inch 4x3 | 40 inch 16x9 | |
| Width | 16.80 inches | 34.86 inches | |
| Height | 12.60 inches | 19.61 inches | |
| Area | 211.68 inches² | 683.68 inches² | |
| As a 4:3 Display | 21.00 inches | 32.68 inches | |
| As a 16:9 Display | 19.28 inches | 40.00 inches | |
| As a 2.35:1 Display | 18.26 inches | 37.89 inches | |
| In Comparison | 21 inch 4x3 | 40 inch 16x9 | |
| Actual Aspect Ratios | 47.50% smaller diagonal 69.04% smaller area | 90.48% larger diagonal 222.98% larger area | |
| As a 4:3 Display | 35.75% smaller diagonal 58.72% smaller area | 55.64% larger diagonal 142.23% larger area | |
| As a 16:9 Display | 51.81% smaller diagonal 76.78% smaller area | 107.52% larger diagonal 330.64% larger area | |
| As a 2.35:1 Display | 51.81% smaller diagonal 76.78% smaller area | 107.52% larger diagonal 330.64% larger area | |
In comparison to a 40 inch 16x9 TV a 21 inch 4x3 is...
52% smaller diagonally and 77% smaller by area as a 16x9 display.
36% smaller diagonally and 59% smaller by area as a 4x3 display.
| Share your Comparison | 21 inch 4x3 display vs 40 inch 16x9 display |