In the United States, a standard twin mattress normally measures 39 inches wide and 75 inches long, which is the same length as a standard double mattress. In the United Kingdom and Ireland, the average twin mattress is ... More »

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

A full-size bed, also known as a double bed, is 54 inches wide and 75 inches long. A full-size mattresses has the same proportions. Thickness and firmness vary depending on the model and manufacturer. More »

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

According to the Better Sleep Council, twin size mattress are approximately 38 inches wide by 75 inches long. The Bedding Experts, however, sells twin mattresses which measure 39 inches wide by 75 inches long. An exact m... More »

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

A standard twin mattress is 39 inches wide and 75 inches long. A length of 75 inches is often too short for many adults, which is why the twin XL was invented. A twin XL is 39 inches wide and 80 inches long. More »

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

A standard twin mattress is 38 inches wide by 75 inches long. A twin XL, or extra-long twin mattress, is 38 inches wide and 80 inches long, according to The Bedding Experts. More »

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

A standard twin bed mattress is 39 inches wide by 75 inches long. A twin bed is made to accommodate one child or one adult. More »

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

To determine whether or not a twin mattress fits through a door, compare the measurements of the doorway plus any immediate clearance necessary with the length and width of the mattress. A typical twin size mattress meas... More »