Screen size
43 inch
50 inch
55 inch
65 inch
75 inch
How you sit
Upright (eyes about 70 cm above the seat)
Relaxed (eyes about 60 cm above the seat)
Sunk in and leaning back (about 52 cm)
Seat height, as you sit on it
Distance, eyes to screen
Height of the screen centre from the floor
Put it at eye level
Above a fireplace (about 150 cm)
On a low unit (about 55 cm)
Side view. The dashed line is where you look; the green and clay shading shows how far you tilt your head. Screen sizes assume a standard 16:9 TV; seated eye heights are rough averages, so use your own. Drag the screen, or use the slider.