Step 2 slide the rails together until the frame width is 60 inches.
Convert king bed frame to queen.
Some rails are built to be compatible for queen and king mattresses in which case you can stop at this step.
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However there are some queen beds that work quite well like wood beds that are relatively wide.
Why convert your queen bed to a king.
In fact some queen size wood beds measure 66 to 68 inches in width.
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Check that the smallest possible setting is wider than 60 inches the width of a queen mattress.
Not every queen bed should be converted.
This means that the only thing you need to change to convert your queen bed into a king is the width of the headboard and foot board.