Twin flat sheets are 66 inches x 96 inches; a full flat sheet is 81 inches by 96 inches. Queen flat sheets are 90 inches by 102 inches; king flat sheets are 108 inches by 102 inches.
To determine the sheet size of a bed, measure the length, width and depth of the mattress, and compare it to a standardized size chart. Once you have the dimensions of the mattress, you know what type of sheets to buy or...
A fitted twin-size bedsheet is 39 inches wide by 75 inches long, the same dimensions as a twin-size mattress. The accompanying flat twin sheet is 66 inches wide by 96 inches long.
A fitted sheet for a standard king size bed measures 76 by 80 inches, while a flat sheet measures 108 by 102 inches. A California king size bed uses a fitted sheet that is 72 by 84 inches and a flat sheet that is 108 by ...
For an extra-long twin-sized bed, the fitted sheet measures 39 inches in width and 80 inches in length and the flat sheet measures 66 inches in width and 102 inches in length. A comforter sold for an extra-long twin-size...
The measurements for twin XL bed sheets are 39 by 80 inches. XL stands for extra long, and the bed sheets may be otherwise identified as TXL, extended twin or extra-long twin.
Trundle bed mattresses are commonly 75 inches by 39 inches. They vary in thickness from 8 inches to just a few inches thick. Trundle beds are designed to be rolled into the space beneath a traditional bed.