Don't buy the wrong size. Calculate the optimal screen size for your room or check if your current distance is right for 4K viewing.
For an immersive experience
Ideally, your screen should fill about 30-40 degrees of your field of view for mixed usage.
Sitting too close can cause pixelation (seeing the dots), while sitting too far makes you miss detail.
"55-inch" refers to the diagonal measurement. The actual width and height depend on the aspect ratio (standard TVs are 16:9).
For example, a 65" TV is approximately 57 inches wide and 32 inches tall. Knowing this helps plan for wall mounting or cabinet space.
