Floor Plan Athena King Bed 88.5" 12' (144 inches) Overall Dimensions: King bed 82" Wx 885"Dx54"H Additional Dimensions: ® Leg Height: 4.5" _— 12’ (144 inches) Door width required for delivery: 20” National Average Bedroom Size As of 2022, Quota estimates that the average bedroom is a 12x12 foot square. Depending on the size of your home, including the number of people in your household, your bedroom may be a different size or shape.