Common Mattress Sizes
Twin Size Mattress
38in x 75in
Twin XL Size Mattress
38in x 80in
This mattress size is fairly common in bunk beds and in college dormitories.
Full Size Mattress
54in x 75in
King Size Mattress
76in x 80in
Split King Size Mattress
76in x 80in
(2) 38in x 80in Twin XL mattresses
This mattress combination is considered the "his & hers" mattress, which is most often paired with a split king adjustable base.
Queen Size Mattress
60in x 80in
California King Size Mattress
72in x 84in
