55-inch TV dimensions.
A 55-inch 16:9 screen measures approximately 47.9 inches wide and 27.0 inches high. The advertised size runs from corner to corner.
Diagram labels are in inches. Table units can be switched above.
The screen, measured.
- Diagonal
- 55.0 in
- Screen width
- 47.9 in
- Screen height
- 27.0 in
- Aspect ratio
- 16:9
Will a 55-inch TV fit?
Start with the 47.9-inch screen width (121.8 cm). That is the picture area, so a space exactly this wide is not enough to confirm a fit. The frame adds width, and a manufacturer may use a slightly different actual diagonal for a TV sold in the 55-inch class. Use the full model dimensions before choosing furniture or a wall recess.
The screen itself is 27.0 inches tall (68.5 cm). A tabletop installation also needs room for the stand. Check the assembled height, foot spacing, stand depth and furniture weight limit separately. For a wall installation, allow for the bracket, cable connections and the ventilation clearances specified in the TV manual.
How large will it look?
For this screen, a seat about 7.5 feet away produces a 30° horizontal viewing angle. Moving to about 5.5 feet increases that angle to 40°, so more of your field of view is filled by the picture. These are geometry examples, not a universal comfort recommendation. Your eyesight, content and preference still matter.
Measure from your normal eye position to the screen plane, rather than from the front of the sofa to the wall. Try the room preview to explore viewing distance, and use tape to outline a 47.9 by 27.0-inch rectangle in your own space.
Before choosing this size
Moving from 55 to 58 inches adds 11.2% more screen area. The 58-inch screen is 2.6 inches wider, which is often the more useful number when checking a cabinet. Compare at the same scale, then confirm the exact model’s specifications.
All figures here are calculated from an exact 55-inch diagonal and a 16:9 rectangle, rounded for display. Sizes vary by model. Always confirm with the manufacturer's spec sheet before buying. See how we calculate screen dimensions.
Check every seat you use
A center-seat measurement is useful, but a side seat can have a different distance and line of sight. Look for furniture or room features that block part of the picture. The angle calculator describes a centered horizontal view, not a display panel’s off-axis image quality.
A 55-inch screen at two distances
36.8° horizontal viewing angle
28.0° horizontal viewing angle
These distances are worked examples, not recommended limits. Both use the same 47.9 by 27.0-inch screen. Only the eye-to-screen distance changes. Move between those positions when checking a physical outline to see the difference for yourself.
For furniture, record the support width, depth, and load rating. For a wall, record the body size and the manufacturer’s mounting and ventilation requirements. Keep those checks separate from the viewing-angle result.
Try the 6-foot example in the showroom ↗Compare the difference
Nearby screen sizes
Actual TV body and stand dimensions
Manufacturer-listed US BRAVIA 3 examples, checked October 6, 2026. These include the frame; the screen chart above uses calculated picture geometry. This is a measurement reference, not a ranking.
| Model | Without stand | With standard stand | Stand width | Source |
|---|---|---|---|---|
| Sony BRAVIA 3 K-55S30 | width: 48.5 inheight: 28.1 indepth: 2.8 in | width: 48.5 inheight: 30.9 indepth: 13.1 in | 40.5 in | Sony specifications |
Original millimeter values are retained, including Sony's 1675 mm body width versus 1676 mm with stand for the 75-inch model. Some rounded inch figures on the source differ from its metric figures; our conversions use the stated metric values. Stand width is foot spacing, while assembled depth includes the stand.
Allow ventilation space as well
Sony's supplied safety guide (page 6, English) shows, for installation with a stand, at least 30 cm above, 10 cm at each side and 6 cm behind the set. These are additional air gaps, not body dimensions. Keep vents unobstructed. Wall mounting has a different diagram and conditions: use the exact regional manual and bracket instructions.
Sony safety guide and ventilation diagrams (PDF)Find these models on Amazon.com
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