Updated February 28, 2017 | Infoplease Staff
What are the dimensions of a king-size mattress?
There are no standards in the mattress industry but the sizes below will give you some idea of different mattress sizes.
|Twin||39 x 76 in.|
|Twin X-Long||39 x 80 in.|
|Full||54 x 75 in.|
|Queen||60 x 80 in.|
|King||78 x 80 in.|
|Cal-King||72 x 84 in.|