55 Inch TV Dimensions: Width, Height & Viewing Distance
55″ TV = 47.9″ × 27″
A 55-inch TV has a screen about 47.9 inches wide and 27 inches tall (121.8 × 68.5 cm).
Step by step
- For 16:9, width = diagonal × 16 ÷ √(16² + 9²) = 55 × 0.8716 = 47.94 in.
- Height = diagonal × 9 ÷ √337 = 55 × 0.4903 = 26.97 in.
- Add about 1–3 inches each way for the frame and stand.
55-inch TVs are the most popular living-room size in the US, best from about 5–7 ft away. A 55″ screen has 100% of the area of a 55″ TV.
Details
- Screen width
- 47.9 in (121.8 cm)
- Screen height
- 27 in (68.5 cm)
- Typical size with frame
- about 49 × 28 in
- Screen area
- 1,293 sq in
- 4K viewing distance
- 4.6–6.9 ft
- 1080p viewing distance
- 6.9–11.5 ft
How it works
TV sizes are the diagonal of the visible screen, not the width. Because almost all TVs are 16:9, width and height follow directly from the diagonal. Screen area grows with the square of the size, so a 75-inch TV has nearly twice the picture of a 55-inch. Manufacturers list exact dimensions with and without the stand — check them before buying furniture or a wall mount.
Nearby values
Related conversions
Frequently asked questions
How wide is a 55 inch TV?
The screen is about 47.9 inches (122 cm) wide; with the frame, roughly 49 inches.
How tall is a 55 inch TV?
About 27 inches of screen, plus the frame and stand.
How far should I sit from a 55 inch TV?
About 4.6–6.9 ft for 4K.
Will a 55 inch TV fit on my stand?
The stand should be at least as wide as the TV’s feet; measure the foot spacing in the manual, or choose a stand about 52″ wide.