The height of a standard doorway is approximately 1.98m. This height allow the passage of most people without stooping. It is usual for ceilings to be situated approximately 45- to 60cm above the top of the doorway, achieving a ceiling height of around 2.4m/approximately 8 feet.. All of our iron beds are designed to fit standard U.S. mattress and boxspring sizes. Twin 39" x 75". Full 54" x 75". Queen 60" x 80". California King 72" x 84". Eastern (Standard) King 76" x 80". Headboard Only. Headboard Only includes headboard and hardware and is pre-drilled with 15 holes to attach to any standard bed frame. Product Overview. Dimensions: 31.5L x 14.25W x 63H in. Constructed from wood and metal. Antique nutmeg finish. Features 5 large shelves. Open back design. More Product Info.