I need a new bed frame, my room is small and my current bed is queen sized. I don’t know if I want to get a twin bed to have more space, if I decide later I do then I would still like to use the bed frame without having to buy a new one, and a twin sized box spring to increase the bed.
Hey Oneechan69,
I am not quite sure what you are asking. If you buy a twin bed frame, there is no reason why you could not use it at a later date.
I am assuming you will be trading you queen sized mattress for a twin to increase space in the room.
You could get a knickerbocker Em Brace 360 Platform bed frame, they are awesome, supportive and take about 2 minutes from box to fully assembled. It has adjustable height legs for small adjustments to height. If you want to raise the height of the mattress, you could add a box foundation on top of the platform, but if the height is not an issue, the frame will work without a box.
Depending on your spacial requirements, you may want to opt for a twin xl if length is not an issue. This would prepare you for a king set up down the road by adding a second twin xl.
Hopefully, this answers your question, if I understand it correctly,
Maverick
I mean I want the width of the bed frame to be adjustable from twin to king sizes, and height adjustable anywhere from like a few inches to 15 inches off the ground, though that might be a big ask.
From a bunch of searches I only found frames that can do one or the other but not both.
I need to research bed frames that can be expanded from a twin to a king size as there are so many systems out there, it is impossible to know every one.
Currently, the Knickerbocker bedframes seems to be a leading option, though it isn’t self-adjustable. This frame comes in four pieces, and can be complemented by the Em Brace Platform, which eliminates the need for a box spring.
One option to consider is starting with a Twin XL mattress, which matches the length of a king-size bed. Later, you could add a second Twin XL mattress or, if available, headboard and footboard width rails that would fit into the side rails (from head to foot). It might be worth calling knickerbocker to see if they offer these components separately as an option for future purchase.
Some basic bed frames can be adjusted in width. For example, I have a frame in my basement that adjusts from a twin to a full size, with lengths of 75" and widths from 38" to 53". However, since Twin XL, queen, and king sizes all share an 80" length but differ in width (38", 60", and 76" respectively), finding a frame that adjusts for both dimensions can be complex. Frames adjusted to smaller sizes typically offer better support than those stretched to larger sizes due to the design of the support rails.
Most adjustable frames are relatively affordable, but investing in a frame that can accommodate future mattress sizes might not always be the most cost-effective approach. Exploring the options mentioned should give you a good starting point.
Additionally, you could consider modular bed frame systems, which are designed to be flexible and can be adjusted in both width and length. These systems can be more expensive initially but offer long-term adaptability. You could check with custom frame manufacturers or retailers who might offer tailored solutions to fit specific needs. These options may be defeating the purpose as they may be 3 or 4 times the cost.
I am not sure if this fully answers the spirit of your question, but it does offer a few solutions.
Maverick
Saw this in sams just now.
Not exactly top of the line but it does what you wanted to do. How well it will do it.That’s the question.
It doesn’t have to be automatically adjustable, changing the width and height manually is fine.
Than this one from sams for $45 may just be what you are looking for!
The link doesn’t work for me
Can u expand on this? I looked it up and I don’t see how I would adjust the height of the frame to eliminate the need of a box spring.
For this bed frame (the one at Sams Club)
you would need to use some type of box spring or flat board, as a platform for the mattress to be placed on. The frame itself is adjustable from twin to king.
For the EmBrace 360 Platform, you would not need a box spring, you can place your mattress directly on the platform.
Those legs that you see supporting the frame are adjustable in height as they are “segmented” and have several segments that can be “stacked” to achieve a different height.
Those legs that you see supporting the frame are adjustable in height as they are “segmented” and have several segments that can be “stacked” to achieve a different height.
Where online can I see leg segments? how tall can the legs go?
Is there a whole guide someone about Knickerbocker?
The EmBrace 360 Platform will have its own website, they just dont have the website completed for the public yet.
Ours is adjustable in length and width. Grows from a Toddler to King! Imagine only needing one bed frame your entire life 
No metal in the frame, no metal fasteners. We often sell discounted scratch and dent pieces.
It doesn’t look like the legs can get very tall
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I will reach out to knickerbocker and ask the heights it can grow to. How high do you need it to be?
The legs will go from 7.5" or 12" on the knickerbocker em brace 360 platform.