As a rule, a 42” television should be mounted about 56 inches from floor to TV center, a 55” TV should be around 61 inches, a 65” TV should be around 65 inches' floor to center, and a 70” television should be mounted about 67 inches to the center of the screen.

What is the proper height to hang a TV?

To calculate how high your TV should be from the floor, simply measure the height of your TV and divide it by two. Then subtract that number from 42, and that's how high the bottom of your TV should be from the floor.

What height should a 55 inch TV be mounted?

How High Should a 55-Inch TV Be Mounted? A 55” TV should be around 61 inches from the floor to the center of the TV screen.