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Wondering What Bed Size Is Right for You? Our Mattress Size Chart Can Help

bed sizes mattress dimensions

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One of the most important design choices you’ll make in a bedroom is choosing the right bed size for the space. So, first thing’s first—you need to analyze your room’s layout. Larger bedrooms with plenty of wall space will fit a bigger bed (like a king size or California king size) nicely. But if you have tighter square footage, an awkward layout with limited options for bed placement, or more furniture than average, then you should account for this when choosing your bed. Determining the bed sizes and mattress dimensions that will best suit your bedrooms’ configuration will provide a better canvas for you to design around. Once you’ve measured the room and taken your other bedroom furniture into account, it’s time to choose your bed size.

Those with roomy primary bedrooms that love the luxe look might prefer a California king to take center stage; couples living in smaller apartments who still want a spacious bed might opt for a queen; and kids’ and teens’ beds will largely depend on the size of their rooms. Below, we’re giving you a full-scope description of bed sizes and mattress dimensions for each size, along with a bed size guide and tips based on sleeping habits and bedroom needs. Whether you’re upgrading your own bedroom, setting up your guest room, or getting a new bed for the kids’ room, we’re here to help you make the best decision for you. After you’ve chosen your perfect fit, you can get to the fun part, like picking out the perfect comforter and area rug to complement your style.

What Are the Different Sizes of Beds?

When it comes to choosing the perfect bed size, the first step is understanding the standard options and their corresponding mattress dimensions. Here’s a mattress size chart breakdown, according to Restonic:

Bed SizeMattress DimensionsDescription
Twin (Single)38” wide x 74” longIdeal for children and small bedroom spaces.
Twin XL38” wide x 80” longSimilar to a twin but with a little extra legroom, this size is most commonly seen in college dorms.
Full (Double)54” wide x 74” longA full mattress offers more width than a twin. It’s a solid choice for single adults or guest rooms.
Queen60” wide x 80” longThe most popular choice for couples, a queen mattress offers ample space for two without overwhelming a room.
King76” wide x 80” longFor adults and couples who want maximum space to sprawl out, a king mattress is perfect. It’s similar to having two twin mattresses side by side.
California King72” wide x 84” longSlightly narrower but longer than a standard king, the California king is ideal for taller adults and couples.

Visual Mattress Bed Size Guide

twin mattress

Twin (Single)

Twin XL

full double mattress

Full (Double)

queen mattress

Queen

king size mattress

King

california king mattress

California King

How Do I Pick the Right Bed Size for Me?

Choosing the right bed size depends on a few key factors:

  • Room Size: Measure your bedroom and think about the space you need around the bed for moving around. Make sure there’s enough room for other furniture, too.
  • Sleeping Habits: Consider how you sleep. Do you toss and turn, or stay still? Couples should also think about their preferences for personal space.
  • Number of Sleepers: If you share your bed with a partner, kids, or pets, you might need a larger bed.
  • Height: Taller children might need the extra length of a twin XL, and taller adults might appreciate a California king for the same reason.
  • Budget: Set a budget and compare beds within your price range. Sometimes spending a bit more can really boost your comfort and quality of sleep.

Is a Full the Same Size As a Double?

Yes, a full bed is the same size as a double bed. These terms are used interchangeably to describe a mattress that measures 54 inches wide by 75 inches long. This size was once the go-to for couples before queen beds took over. Nowadays, it’s perfect for single sleepers who want a bit more space or for guest rooms.

What Is the Difference Between Twin and Twin XL?

A twin XL bed is slightly longer than a twin bed—about six inches. Twin XLs are most commonly seen in dorm rooms, but they can also be useful for tall kiddos that need more room to lay. It’s important to note that both twin size and a twin XL size beds are 38 inches wide, though, so there won’t be more room to spread out horizontally.

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