Two twin box springs are usually used beneath a king mattress. If you are just putting the Queen and twin box springs on the floor with no frame then it will technically work to support the king mattress but you will have extra box spring surface that the mattress will not cover.
What 2 box springs make a California King?
Split box springs consist of two separate box springs. For easier maneuverability, most cal king & king-size mattresses work better with split foundations. In the case of a standard king size, two xl twin box springs would be used.
Do all king size beds have 2 box springs?
King Mattress Size King-size beds sit atop two twin box springs pushed together to make maneuvering an entire king bed into a room much easier. King-size mattresses are wider but shorter than California king-size mattresses.
Is a split king box spring the same as two twins?
The straight answer is no, a split king mattress is not the same as two twin mattresses. Some say that it is the same, though, as two twin XL mattresses, which is closer to the truth, but still not 100 percent accurate. Simply joining two separate mattresses together will not create a split king bed.May 6, 2019
Is a king size bed the size of two twins?
The width of two twins is the same as the width of a king sized bed, but your new creation will be five inches shorter than a traditional king.