Mattress Sizes

Mattress Sizes

Mattress Sizes

Conventional Sizes
Waterbed Sizes
King
76″ x 80″
California King Mattress
72″ x 84″
Queen
60″ x 80″
California Queen Mattress
60″ x 84″
Full or Double*
54″ x 75″
Super Single Mattress
48″ x 84″
Twin or Single
39″ x 75″
California King Insert**
70″ x 82″
Twin Extra Long
39″ x 80″
California Queen Insert**
58″ x 82″
Super Single Insert**
46″ x 82″

* Also called regular size. Futon mattresses are usually Full size.

** Inserts are innerspring or memory foam mattresses which are slightly smaller to fit existing hardside waterbed frames with room to tuck in covers, etc.