77" TV Dimensions

Exact width and height in inches and centimeters, whether it fits your stand, and how far to sit.

16:9 4K-era sizes True proportions

Will it fit?

My TV stand / alcove isinches wide

Viewing distance

4K sweet spot: 7.7–10.4 ft · pixels invisible beyond 5 ft

My couch isfeet away

77″ TV specifications

Width	67.1″ / 170.4 cm
Height (panel)	37.8″ / 96 cm
Height with stand	40.7–40.7″(current models, see below)
Diagonal	77″ / 195.6 cm
Screen area	2536 sq in
Viewing distance	7.7–10.4 ft (THX 40° → SMPTE 30°)
Pixel density at 4K	57 PPI

Compare with 75″ → Compare with 85″ → vs your screen →

43″50″55″65″70″75″77″85″98″

Real 77″ models, measured

Placement specs from the manufacturers' own spec sheets — use these for stand height, weight and the box you'll be carrying home.

Model	Height w/ stand	Weight	Box (W×H×D)	Source
LG OLED77C4 (C4 OLED, 2024)	40.7″	59.7 lb	76.4″ × 44.5″ × 9″	spec sheet (2026-08-19)
LG OLED77C5 (C5 OLED, 2025)	40.7″	59.7 lb	73.8″ × 44.25″ × 8.75″	spec sheet (2026-08-19)

Where a 77″ fits

77" exists because OLED mother glass cuts to 55/65/77/83 — LCD cuts to 55/65/75/85. The size tells you the panel tech.
77 vs 75: just +5% area — the choice is contrast (OLED) vs brightness (LCD), not size.
Ideal seating 7.7-10.4 ft, with the OLED contrast payoff strongest below 9 ft in dim rooms.

Frequently asked questions

› Why is 77 inch a separate size from 75 inch?

77" is an OLED cut size: OLED fabs slice mother glass into 55/65/77/83" panels, while LCD lines cut 55/65/75/85". The 2-inch gap is manufacturing, not marketing — if you're shopping 77", you're shopping OLED.

› Is a 77 inch OLED worth it over a 75 inch LCD?

Size-wise it's only 5% more area (2533 vs 2404 sq in) — visually negligible. The real decision is panel technology: per-pixel contrast versus the 75" LCD's typically 2-3× higher peak brightness. Pick by room lighting, not by the 2 inches.

› How far should I sit from a 77 inch TV?

7.7-10.4 ft (THX 40° to SMPTE 30°). OLED's contrast advantage is most visible in dim rooms at the near end of that range — at 7.7 ft the screen fills 40° of your view with pixels invisible beyond 5 ft at 4K.

› Are 77 inch TVs lighter than 75 inch models?

Often yes — OLED panels need no backlight layer, and current 77" models commonly weigh less than same-generation 75" mini-LED sets (see the measured models above for exact figures). Wall-mounting is where the difference matters most.