The trick is corners first, shape second
Trying to fold a fitted sheet flat from the start almost always ends in a lumpy mess, because the elastic hem fights any straight fold. Tucking the corners into each other first removes the elastic bunching from the equation, so the remaining fold is just flat fabric.
Practice makes the motion automatic
The corner-tucking motion feels awkward the first few times, especially finding the second corner while holding the first. After a handful of tries it becomes a fast, almost automatic motion, similar to any other repeated fine-motor task.
Frequently Asked Questions
Does the sheet need to be perfectly flat and wrinkle-free?
No β a folded fitted sheet will never look as crisp as a folded flat sheet because of the elastic hem. The goal is a stackable rectangle rather than a wrinkle-free finish.
Is there an easier alternative if I can never get the corners right?
Some people simply roll a fitted sheet instead of folding it, which avoids the corner-tucking step entirely and still produces a compact, stackable shape for a linen closet.