Double King Size Bed Sheets Means. Though the word double would suggest that a full or double bed is twice the size of a twin single mattress that s not the case. A full mattress is 15 wider than a twin bed but the same length. Twin size sheets full size sheets.
Approximately 54 inches by 75 inches. Both terms refer to mattresses measuring 54 inches by 75 inches.
California king beds are less common.
78 x 80 california king sheets. King bed in. 137 cm x 193 cm x 38 cm. 54 in x 76 in x 15 in.
