The key to a comfortable king is finding two mattresses with uniform thickness.
Can you put a full size mattress on a twin frame.
A full size mattress or bed is sometimes called a double or just full.
If you re upgrading from a full size mattress to queen you can easily attach your existing headboard to the larger bed frame.
For the bed with a wooden headboard and foot board and two metal mattress support bars check to see if the support bars are adjustable and can adjust from 80 inches for a queen size bed to the 75 inches for a full size bed.
Here s what you ll need to get it done.
It is not ideal but it will give you a larger bed that two adults can share reasonably well.
Some beds have two metal mattress support bars on both sides that connect to the headboard and foot board.
A few twin mattresses however are 39 inches across.
While standard sheets both king and xl twin will fit either of these mattress sizes it s essential to measure your bed frame s or platform to verify the mattresses will fit.
Other beds have a four sided metal mattress support frame that adjusts to different widths to support a twin full or queen size bed.