CNN.com is among the world's leaders in online news and information delivery. Staffed 24 hours, seven days a week by a dedicated staff in CNN's world headquarters in Atlanta, Georgia, and in bureaus worldwide, CNN.com relies heavily on CNN's global team of almost 4,000 news professionals.
Quick Answer. A double size bed, commonly referred to as full size, measures 54 inches wide by 75 inches long. The height varies from as little as 4 inches to over 17 inches, depending on manufacturer and construction. Continue Reading.
How Big Is a Double Bed? The double mattress, or full mattress, actually provides less room per person than a twin mattress. In the U.S., a double mattress is 54 inches wide and 75 inches long, according to the consumer website Mattress Sizes. Jupiterimages/Photos.com/Getty Images. According to the website of The Better Sleep Council, double mattresses are only big enough for one adult. Standard twin mattresses are 39 inches wide and 75 inches long, according to Mattress Sizes. If a double mattress is shared, it provides only 27 inches of space per person.