December 16, 2019
Filed under: Mattress Guide

Full or double size mattresses are built to industry standard dimensions. Full beds are approximately 53 inches wide by 75 inches long. Use the table below to compare mattress sizes.


Width x LengthStandard Size
38″ x 74.5″Twin
38″ x 79.5″Twin XL
53″ x 74.5″Full
60″ x 79.5″Queen
76″ x 79.5″King
72″ x 83.5″California King

National Sleep Foundation’s logo, name, materials and/or insights used under license from NSF in exchange for Serta’s financial support of NSF’s sleep research and educational activities.

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