Mattresses come in different sizes based on the sleeping surface. The mattress size may affect sleep comfort and quality, especially for large individuals or couples.
Term
Width in inches
Length in inches
crib or toddler
27
52
twin or single
38-39
74-75
twin XL
38-39
80
full or double standard
53-54
74-75
queen
60
80
king
76
80
California king
72
84
A king mattress is comparable to 2 twin XL mattresses placed side-to-side.
A mattress can also be made to order, giving it different dimensions than those listed above.
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