Use Your King Mattress With Queen Headboard

Use your king mattress with your queen headboard and a king bed frame. Have you found yourself longing to upgrade to a king size mattress, but don’t want to give up your perfectly good queen size bedroom suite? Well, rest easy friends. We now have a product, the King Modi Plate, that will allow you to keep it.

Use your king mattress with queen headboard or queen headboard with king mattress.

I will highlight the pros and cons, and offer a few helpful tips for using your king mattress with your queen headboard or even using your queen mattress with a king headboard.

Pros

  • You can keep your current bedroom set
  • Save money (because you don’t have to buy new furniture!)
  • Much less work involved in installing a modi-plate versus setting up all new furniture.

Cons

  • There are 16 inches difference in queen and king size mattresses. If you have a big, wood or metal headboard that’s over-sized as it is, you’ll more than likely be satisfied with how it looks. However, err on the side of caution when using thinner, more delicate headboards. We assembled this product in the store on two different headboards (one king-to-queen and again on queen-to-king) to show how it looks.

Below is what the King Modi Plate looks like with a queen headboard, and a king size mattress. Two products used (other than the queen headboard): King modi-plate and Leggett and Platt Restmore king size bed frame, item # K45G.

Use your king mattress with queen headboard with king modi-plates and a king bed frame.
Use your king mattress and queen headboard with king modi-plates and a king bed frame.

Below is an image of the King Modi Plate on a king size headboard, queen frame, and a queen size mattress. Two products used (other than the king headboard): King modi-plate and Leggett and Platt Restmore queen frame, item # Q45G.

Use your queen mattress with king headboard using king modi-plates and a queen bed frame.
Use your queen mattress with king headboard using King Modi-Plates and a queen bed frame.

If your headboard is thicker than the ones pictured here, the difference will much less noticeable. We intentionally picked two “worst case scenarios” to show you that it can look a little strange.

12 thoughts on “Use Your King Mattress With Queen Headboard

  1. I have a question? is it possible to change California King frame to queen. I have 6 pieces queen bedroom set and bought new mattress and box spring and I am buying bedroom set of 6 pieces but it is ca king. is it possible to use my mattress on that since Ca king it does not have any mattress. I like to use my mattress, thx for any help

    1. Sorry it has taken me so long to get back with you! You may be able to convert California king headboard and footboard so that you can use a queen mattress by using the following products:

      1. You’ll need a bed frame for bolting on a queen headboard and footboard.
      2. You’ll need two sets of Queen to King Modification Plates, (item ST00KKMO on this page). One set for the headboard and one set for the footboard. These modi plates bridge the distance in width between queen size (approximately 60″ wide) and California king size (approximately (72″ wide).
      3. If your Cal king headboard and footboard hook on like most wood beds, you’ll also need two sets of Bed Hook Adapters to hook in to your headboard and footboard.

      Please keep in mind, we make no guarantee that these parts will work with your particular bed.

  2. Hi, we have a 4 poster wood queen bed with side boards. There is a headboard, side rails, and a footrail if that makes sense, not really a footboard. We love the bed and paid a lot for it. Is there anyway to convert to a King with 2 twin mattresses (my husband toss and turns, plus our stairway is narrow so will make it much easier to bring the mattress up). with the 4 posters, may not be as obvious the size difference, I’m not sure. Thank you!

    1. Hi Julie, This is a question customers often ask: How can I attach my queen headboard and footboard to a king bed frame? Though your footboard isn’t exactly a footboard, the principle is the same.
      There is a difference of 16 inches in width between king and queen size, so there will be approximately 8 inches of mattress and box spring hanging on each side. If having the mattress hanging over the sides does not deter you, following are the products that may help you transition your queen headboard and footboard/footrail so that you can use king (or two twin extra-long sets of) bedding on it:
      You’ll need a bed frame for bolting on a king headboard and footboard. Make sure to select the bolt-on style frame of this product. (With this bed frame, I HIGHLY recommend using twin-XL mattresses and box springs, rather than twin size. Please see the complaints on this page about the length of the frame. Twin mattress sets typically measure approximately 74 inches long vs. Twin XL which typically measure 78 – 79 inches long.)
      You’ll need two sets of Queen to King Modification Plates. One set for the headboard and one set for the footboard. These modi plates bridge the distance in width between queen size (approximately 60″ wide) and king size (approximately (76″ wide).
      If your queen headboard and footboard hook on like most wood beds, you’ll also need two sets of Bed Hook Adapters to hook in to your headboard and footboard.
      Please keep in mind, we make no guarantee that these parts will work with your particular bed. I hope this helps!

  3. I’m thinking this will work, but want to double check… would the Queen to King modification kit work to attach our nice oak queen headboard and footboard to a Cali King frame?

  4. Hello what product do I need. or do you have something that will allow me to use a king mattress with a queen headboard and frame?

    1. Hi Yvette! You’ll use queen to king modification plates to connect your queen headboard to a king bed frame. Then you can put your king size mattress on top of the king bed frame. Please call us if you have any other questions! 1-800-905-6252, Monday through Saturday 9:30 am to 5:30 pm Eastern time.

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