A standard full size mattress is 54 inches wide by 75 inches long. This type of mattress is commonly referred to as a double or standard mattress and was commonly used by two adults when room sizes were smaller.
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 80 inches, king 76 inches by 80 inches and the California king 72 inches by 84 in
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 sheets constructed to match, or queen-size sheets can be used and tucked to fit.
A standard king size mattress is 76 inches wide and 80 inches long, giving sleep partners 38 inches of horizontal space. A California king size mattress takes up the same surface area, but it is 72 inches wide and 84 inches long.
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.
A full-size mattress, also known as a double mattress, measures 53 inches wide and approximately 75 inches long. This is the same length as a twin-size mattress.
Most full-size mattresses measure about 53 inches wide and 75 inches long. Measurements may vary by 1/2 inch, depending on the specific product and manufacturer.
A chart of mattress sizes in the United States is available on CSGNetwork.com. The chart contains height and width information for each size, along with the amount of space per person. Comments for each size include extra information. More detailed descriptions of each mattress size are available on
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.
A standard king mattress is 76 inches wide by 80 inches long, while a California king measures 72 inches wide by 84 inches long. The standard king is the widest bed sold in stores, and the California king is the longest.