A twin mattress measures 38 inches wide by 75 inches long. A full mattress, sometimes called a double, is 53 inches wide and 75 inches long. A queen-sized mattress is 60 inches wide by roughly 80 inches long, or 6 inches... More »

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In the United States, the dimensions of a standard queen-size mattress are 60 inches wide and 80 inches long, according to the Better Sleep Council. The queen-size mattress is popular because it fits into smaller spaces ... More »

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A full size mattress is 54 inches wide by 75 inches long. The depth of the mattress can vary from manufacturer to manufacturer and can be an important consideration when purchasing sheets. Extra-deep mattresses require s... More »

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A North American standard twin-sized mattress measures 39 inches wide by 75 inches long. A twin-XL mattress, which accommodates taller sleepers, measures 39 inches by 80 inches. More »

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A queen-size mattress measures 60 inches wide by about 80 inches long. Measurements vary among manufacturers by approximately half of an inch. Mattress height varies from less than 4 inches to more than 22 inches. More »

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A standard king mattress measures 76 inches wide by approximately 80 inches long. The width and length of a king bed are about the same as can be achieved by pushing two extra long twin beds together. More »

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In order from smallest to largest, the five standard mattress sizes are twin, full, queen, king and California king. Twin mattresses are 38 inches wide by 75 inches long, full 53 inches by 75 inches, queen 60 inches by 8... More »

www.reference.com Home & Garden Furniture Beds & Mattresses