Mattress Size Dimensions

Mattresses are built to standard dimensions. For example, a king size mattress is approximately 76 inches wide by 80 inches long, and a queen mattress is always 60 inches wide by 80 inches long. Use the table below to compare mattress sizes.

Choosing the Right Mattress Size

In choosing a mattress size, make sure to choose a size that is big enough to comfortably fit those sleeping in the bed, but small enough to fit comfortably in the room where it will be placed (including enough room for each person to get in and out of bed!). Consider your future needs as well.  Lastly, it doesn't hurt to take some measurements to make sure the size you choose will fit through the doorway, hallways, and stairwells of your home.

Mattress Size Trends

Not surprisingly, bed size preferences appear to be getting larger over time. Until as recently as the 1970's, the most popular bed size was Full (which is why full-size mattresses are sometimes referred to as "standard" size). However, the queen-size bed is now the most widely purchased mattress size in the United States, followed by king-size mattresses.

Unique Mattress Sizes

Though most mattress models are available across a wide variety of sizes, certain bed types are known for being more limited in their size selection. For instance, hard-sided waterbeds are generally not available in traditional bed sizes. 3/4 mattresses are used primarily with antique bed frames, and crib mattresses are naturally used only in baby beds and toddler beds.

When considering an unconventional mattress size, be aware that your selection of bedroom furniture (eg, bed frames, headboards, footboards, and the like) as well as sheets and other bedding will be much more limited -- and perhaps more expensive -- in these less popular sizes.

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