How Much Does A King Size Bed Cost?

As the feature furniture piece in a bedroom, beds and all that goes with them get a lot of attention. Shopping for a bed can be daunting, especially when you are trying to keep within a budget. The question of cost always comes up and needs to be answered, preferably before searching for the perfect bed. So how much does a king-sized bed cost? We have done some research, and should be able to help answer that very question!

A basic king size bed frame is typically under $100. These are simple metal frames without slats, merely meant to serve as a foundation for the boxspring and mattress. For an average king size platform bed, with supportive slats, you can expect to pay anywhere from $150 to $700. A king-size bed with a headboard and a footboard will be a little more, ranging from $300 to $700. There isn't a one size fits all answer regarding the cost of a king-sized bed, so these are average prices. Of course, there are options priced above and below these numbers.

Now, these are some basic numbers, but the topic of bed cost is a little more intricate than that. Let's dig a little deeper into the different kinds of beds and what is going to affect the final price. We will also look into a few other important aspects and options to consider when choosing a king-sized bed.

Bedroom with king sized bed in Warm Colors with Creative Atmosphere, How Much Does A King Size Bed Cost?

Basic Bed Frame

As noted above, king size bed frames can be relatively inexpensive, usually under $100. But why the low cost? These simple metal frames are very functional, providing a foundation. However, they do not usually come with supportive slats. The practical implication of this is that a box spring is required to support the mattress. Some people prefer using boxsprings under their mattress, so a basic frame would work well for them. A headboard and footboard can be purchased separately and attached to the metal frame if desired.

Click here to see this sturdy metal bed frame on Amazon.

Platform Bed

A platform bed is unique in the fact that it does not require box springs. This bed has supportive slats or bars to lay the mattress onto directly. King size platform beds can be simplistic and cost around $150.

Click here to see this no-nonsense platform bed on Amazon.

Platform beds commonly come with a headboard. The addition of a headboard definitely adds to their appeal but also increases value. The average price of these platform beds is around $200 to $250.

Click here to see this king-sized platform bed on Amazon.

Additionally, platform beds often come with storage or drawers built into the bed. This extra storage is a huge bonus, but naturally, it comes with a slightly higher price tag. Expect to pay approximately $400 to $700 for a king size platform bed with storage compartments.

Click here for this king-sized bed with storage on Amazon.

Beds With Headboards and Footboards

Traditionally, a bed includes a headboard and footboard along with the frame. To explore cost, we will break this down into three categories, based on the materials used to construct the headboard and footboard. Most of the frames are metal, but headboards and footboards can be:

  • Metal
  • Wood
  • Upholstered

Metal Beds

When it comes to classic looks, nothing can beat the elegant simplicity of an all-metal bed. A bed with a metal headboard and footboard is a great, budget-friendly choice. These king size beds stay mostly in the range of $200 to $400.

Click here to check out this all-metal bed on Amazon.

Wood Beds

Beds made of wood have always been and always will be in style. From a farmhouse to a mansion, wooden beds are fashionable and durable. King size beds can be found for $300 to $800, though there are some real beauties at the $1,000 price tag. 

Click here to see this bed on Amazon.

Upholstered Beds

These are charming pieces of furniture and can found in various styles, fabrics, and colors. If you're looking for a king-size bed with fully upholstered headboard and footboard, your cost will be between $400 and $1,000.

Click here for this gorgeous upholstered king-sized bed on Amazon.

If you need help deciding what kind of bed to get, this post may be helpful, Do Beds Need a Headboard? (The Answer May Surprise You!)

Is it worth getting a king-size bed?

When you're shopping for a bed, the options can be overwhelming. We've already looked at all the numbers, and while a king-size bed certainly seems attractive, is it worth the extra space and cost?


First, let's look at the space issue. King size beds boast a width of  76-inches across. That's a good 16-inches more sleeping room than a queen-sized bed. If there are two of you in there, that means that each sleeper gets an extra 8-inches to sprawl. However, that also means that your bed will take up an extra 16-inches of space in the bedroom. Evaluate your situation and determine whether your room will accommodate the extra bed width. This article may help you decide if you have room for a king-sized bed in your bedroom. How Big is a King Size Bed? (Various Types Discussed).


Extra bed brings extra cost, but the price difference is lower than you may suppose. King size beds run approximately $200 more than queen-sized beds. In the same fashion, king-sized mattresses sell for around $300 more than their queen-size equivalents. 

Queen size beds are the most popular bed size across the board. Nevertheless, when the extra space and finances are available, most people say it's king-size all the way!

How much is a king size adjustable bed?

Adjustable beds are useful in helping to provide a good night's rest. They are often sought after by individuals with back or health issues that prevent lying flat and make regular beds uncomfortable. In addition to the adjustable feature, these beds usually come with many handy gadgets built right into the beds. A few features include USB ports, voice control, massage, and night lights. King size adjustable beds come in two basic categories:

  • King Size
  • Split King Size

King Size Adjustable Beds

Regular king size adjustable beds are adjustable across the entire bed, with no distinction between sides. Without a mattress, you're looking at paying $650 to $1,200 for this type of king size adjustable bed. However, there is usually a combo option that includes a 10" or 12" mattress. These can cost between $1,000 and $1,700.

Split King Size Adjustable Beds

A split bed is the ideal adjustable bed, allowing each sleeper control over their side. These can be pricier than the standard king size bed option, but a good night's sleep is undoubtedly worth it. Without a mattress, expect to pay between $1,100 and $1,600 while split beds with a mattress included range in price from $1,300 to $2,000.

Click here to find this king size adjustable bed on Amazon.

Does Walmart sell king-sized mattresses?

Yes! Walmart does carry king size mattresses. Whether you're looking for medium or firm, cooling gel or hybrid, Walmart carries a broad spectrum of king-sized mattresses. These can be ordered online or purchased in the store.

Does Costco sell king-sized mattresses?

Again, the answer is yes! Costco carries a wide variety of king-sized mattresses. They offer king-sized plush, memory foam, and gel memory foam mattresses. They even offer adjustable beds and mattresses.

To Conclude

Whatever type of king size bed you want, you now know how to plan when it comes to fitting it into your budget. If you're in the market for a new bed, this post may be interesting to you. Is a King Size Bed the Same as Two Twins?

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