Standard bed sizes are based on standard mattress sizes, which vary from country to country. . Modern manufacturing conventions have produced many standard mattress and box spring sizes. Standard mattress depth ranges from the 'standard' size of 9 inches (23 cm) to Most common sizes for double beds are: Beds come in many sizes, from the small single Twin, queen size and go all the way to the Like a twin, this mattress is the same width, but is 5 inches longer to . size for two people to share and fits comfortably into most modern bedrooms. Room Size: Twin XL mattresses are longer than a Twin. In order to have enough space to walk around and fit other furniture, a bedroom should be at least 8 feet . King, California King, Queen, Full, Twin XL, Twin, Crib, read summaries on them all. . Modern mattress models are commonly manufactured in the following sizes: . Full XL size mattresses are the same width as the Full, but 5-inches longer. Beds are furniture pieces that are used for sleeping or relaxing. . frameworks, water beds, portable air-filled mattresses and modern memory foam mattresses. The IKEA Malm Bed (Queen) has a length of 83 1/8' 211 cm, width of 66 1/8' 168 . of 20 3/4' 53 cm from the floor if a 10' 25 cm modern mattress is used. It's 16 inches wider than a Queen (but no longer) so if you are sharing a bed, you will each have a full 38 inches, which is the equivalent width of two Twins . King Beds, 76 in x 80 in, 193.04 cm x 203.2 cm. Queen Beds, 60 in x 80 in, 152.4 cm x 203.2 cm. Full/Double Beds, 54 in x 75 in, 137.16 cm x 190.5 cm. Twin XL . caption id='' align='aligncenter' size bed size in feet - 7 Magical Clever Tips: Modern Bedroom Remodel Master Bathrooms attic bedroom remodel closet . scottxstephens's Blog — How Big Is A Queen Size Bed Mattress In Feet? Twin Size .