Since the metal bed frame dimensions are set for a full size mattress you will need to loosen the fasteners and make the bed frame 6 inches wider and 5 inches longer so the queen size mattress fits.
Can you put a full size mattress on a queen bed frame.
If you re upgrading from a full size mattress to queen you can easily attach your existing headboard to the larger bed frame.
After removing the queen size mattress and box spring push the frame inward from the foot of the mattress support to adjust its length to 75 inches.
The side rails on a queen bed frame would not be able to provide the necessary stability to keep the full sized mattress securely in place.
Queen headboard and or footboard usually measures 60 inches wide while full size mattresses and bed frames only measures 54 inches wide.
Step 1 inspect your bed to see how the frame attaches to the headboard and footboard.
In contrast a standard full size mattress is approximately 53 inches wide by 75 inches long.
Have someone help you and use a tape measure to make it easier.
People have been fitting headboards to frames this way for years.
A full sized mattress and a queen sized mattress have a width difference of about six inches.
Although 6 inches may seem like a lot it really isn t when you split the difference between each side.
The difference in width between a full size and queen is only six inches so there will only be a three inch overhang on both sides.
Here s what you ll need to get it done.
The four sided metal queen size bed frame that adjusts to variable widths is very simple to fit to a full size bed.
If you have a box spring that has an adjustable metal frame then you can easily loosen its fasteners to the dimensions of your queen sized bed.
Push the frame inward on one of its sides to adjust it from 60 inches to 54 inches.
A standard queen size mattress is approximately 60 inches wide by 80 inches long according to the better sleep council.
If you don t want to part with your full size bed you can convert it to a queen.