Monitor size comparison
40" 16:9 vs 42" 16:9: Full Size Comparison
Compare exact dimensions, pixel density, content size, and desk fit for these two displays.
Specifications
| Metric | 40 in 16:9 | 42 in 16:9 | Diff |
|---|---|---|---|
| Width | 34.86" | 36.61" | +5% |
| Height | 19.61" | 20.59" | +5% |
| Area | 683.7 in² | 753.8 in² | +10.3% |
| Diagonal | 40" | 42" | +5% |
| Pixel Density | 55 ppi | 105 ppi | +90.5% |
| 16:9 content | 40" | 42" | +5% |
| 4:3 content | 32.68" | 34.32" | +5% |
| 2.35:1 content | 37.89" | 39.78" | +5% |
The 40" 16:9 is 34.86" (88.6 cm) wide and 19.61" (49.8 cm) tall, while the 42" 16:9 is 36.61" (93 cm) wide and 20.59" (52.3 cm) tall. That makes the 42" 16:9 the larger screen by 10.3% of usable area.
The 40" 16:9 measures 34.86" (88.6 cm) wide by 19.61" (49.8 cm) tall, with a total screen area of 683.7 square inches. The 42" 16:9 measures 36.61" (93 cm) wide by 20.59" (52.3 cm) tall, covering 753.8 square inches.
In direct comparison: the 42" 16:9 is 5% wider, the 42" 16:9 is 5% taller, and 42" 16:9 offers 10.3% more screen area. The width delta is the main desk-fit number, while the height delta shows how much vertical space changes for documents, timelines, and video.
At 1920x1080, the 40" 16:9 achieves 55 PPI. The 42" 16:9 at 3840x2160 reaches 105 PPI. The 42" 16:9 has 90.5% higher pixel density, resulting in sharper text and images.
Frequently Asked Questions
- What are the exact dimensions of a 40" 16:9 monitor?
- A 40" 16:9 monitor measures 34.86" (88.6 cm) wide by 19.61" (49.8 cm) tall, with a screen area of 683.7 square inches.
- What are the exact dimensions of a 42" 16:9 monitor?
- A 42" 16:9 monitor measures 36.61" (93 cm) wide by 20.59" (52.3 cm) tall, with a screen area of 753.8 square inches.
- Which is bigger: 40" 16:9 or 42" 16:9?
- The 42" 16:9 is 10.3% larger in total screen area, though the 40" 16:9 may be taller depending on aspect ratio.
- How much desk space do I need for a 42" 16:9?
- A 42" 16:9 requires at least 36.61" of desk width. We recommend 42.61" to allow comfortable margins on each side.
- Which has better pixel density: 40" 16:9 or 42" 16:9?
- The 42" 16:9 at 3840x2160 has 105 PPI, which is 90.5% higher than the 40" 16:9's 55 PPI.