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Mattress Size Guide

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woman sleeping on correct sized mattress

Buying the right mattress for your space is an important task. We get questions all the time about mattress sizes and what size would fit their space best, but what it all comes down to is your needs, and your situation. Couples sometimes think that a full mattress is enough for them, only to quickly find out that once they are both laying on it, it’s not enough room. (Two people on a full mattress have about as much a space as baby’s crib. So we put together this guide to better inform you about the dimensions and recommendations of different mattress sizes.

Twin Mattress - Dimensions: 38” W X 75”L

The twin sized mattress is the smallest mattress size that can accommodate an adult. Only reaching 75” in length, this mattress may not be long enough for you if you are over 6’. Twin does have a slightly longer version called the Twin XL, which is 5” longer in length that might be a better option for a taller person. With its narrow width it is a space saving option for rooms where space comes at a premium, like older style bedroom’s or dorm rooms. A daybed is also twin sized beds that can be used as a comfortable seating area or an extra bed for an extra guest.

Full Mattress - Dimensions: 53”W X 75” L

The full size sometimes referred to as a double mattress and is only 15” wider than the twin size. We’re a couple to choose to sleep on this size of a mattress they both would have roughly half of the width, or about 26” which is about the same width as a crib. The full mattress is a great option for teen’s room, or for a young child, so they have a comfortable place to sleep and grow into. There is a Full XL variation of the full mattress that adds 5” to the length, which is more ideal for a taller person.

Queen Mattress - Dimensions: 60” W X 80”L

The queen size is by far the most popular size sold here at Bedplanet. The increased length and extra width make a huge difference for couples sleeping in the same bed, and the value of the queen size tends to be much better given the space that you get for your money. Each person would have 30” of personal space which is still 8” less than if both partners slept on individual twin mattresses. The queen mattress is perfect for couples in smaller bedrooms, or who don’t mind close quarters. Its extra space also makes it the ideal choice for guest rooms.

King Mattress - Dimensions: 76” W X 80” L

The king size mattress provides an ideal amount of room for couples, giving both about as much room as if they had pushed two twin mattresses together. In fact, a split king is a normal king mattress with two Twin XL box-springs pushed together at the bottom. Since this size is so big, it is always a good idea to use a tape measure to ensure you have the space for your bed within your bedroom. Tight corners and awkward angles can sometimes be an issue with such a large mattress.

What’s the difference between an Eastern King and a Standard King?

There isn't one. Eastern King is another name for the standard king size, in the same way that "Western King" is just another name for the California King size mattress

California King - Dimensions: 72” W X 84” L

This is another mattress option, that is slightly narrower than a standard king size mattress, but adds an additional 4” in length which is more ideal for taller individuals. But due to the different dimensions finding bed frames, and the higher price tag tend to be a turn off for many consumers.