98-inch TV
Put the bottom edge about 18 inches from the floor so the center of the 48-inch-tall panel lands at seated eye level (42 inches). Adjust for your own eye height with the table below.
Bottom edge height
18 in
from the floor, for 42 in seated eye height. Center at 42 in, top at 66 in.
Panel height
48 in
85.4 in wide
Typical viewing distance
10 ft 11 in
THX 36° for this size
Max comfortable center
65 in
10° above eye line
Absolute max center
77 in
15°, needs tilt
Watch: The bottom edge lands at 18 in, below most furniture
A 98 inch screen is 48 in tall, so centring it on a seated eye line of 42 in puts its bottom edge lower than a typical 28 in media console. Either wall-mount it above the furniture and accept a few degrees of upward angle, or use a low-profile stand built for the purpose.
Good: Bigger screens are more forgiving about height
A 98 inch panel is 48 in tall, so even if the centre sits a few inches off your eye line, the picture still spans it. Mounting error matters far less at this size than it does on a 50 inch screen.
| Seated eye height | Typical seating | Bottom edge | Center | Top edge |
|---|---|---|---|---|
| 38 in | Low sofa, floor cushions | 14 in | 38 in | 62 in |
| 40 in | Standard sofa, recliner | 16 in | 40 in | 64 in |
| 42 in | Standard sofa, recliner | 18 in | 42 in | 66 in |
| 44 in | Tall sofa, dining chair | 20 in | 44 in | 68 in |
| 46 in | Tall sofa, dining chair | 22 in | 46 in | 70 in |
| 48 in | Counter stool | 24 in | 48 in | 72 in |
How we got these numbers
A 98-inch 16:9 TV measures about 85.4 by 48 inches. The reference mounting position puts the center of that panel at your seated eye height, which for most sofas is 40 to 44 inches. We use 42 inches as the default and show other eye heights in the table.
From there the bottom edge is simply eye height minus half the panel height: 42 − 24 = 18 inches. If the TV has to go higher, the number that matters is the elevation angle from your seat. Under 10° is comfortable for long sessions; 15° is the practical limit, and it needs a tilting mount.
The bracket height depends on your specific TV: measure from its bottom edge to the center of the VESA holes and add that to the bottom-edge height above.
Common questions
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Short certified HDMI 2.1 run
The most-recommended short HDMI 2.1 cable on AVSForum, with the official Ultra High Speed certification label and enough flexibility to route behind a rack. Use it for the AVR-to-TV and console-to-AVR runs.
In-wall surround runs
Real oxygen-free copper at 14 gauge, with a CL2 jacket that satisfies residential in-wall code. Enough for a 5.1 layout in a medium room with runs under 50 ft.
Budget full-motion mount
The best-selling budget full-motion mount, rated for 132 lb and VESA 600 x 400 with dual articulating arms. Extension and swivel range are shorter than the Sanus or Echogear, which is fine for a mount that mostly stays flat.
10 ft or in-wall certified run
A certified 48 Gbps cable with a CL2 jacket, so the same cable works for a longer equipment-rack run or inside a wall. Monoprice has been the default value pick for HDMI for years.