What size should the home theater seats be?
The most popular real movie theater chairs are 22 inches wide, from center of armrest to center of armrest, and the seat is usually about 20 to 22 inches deep, and the chair is 36 to 40 inches tall, measured from the floor to the top of the chairs back. This is larger than say, 30 years ago, when the average theater chair was only 18 or 19 inches wide.