The best thread count for sheets is not a magic number, but it can range from 200 to 800, with a sweet spot between 300 and 600, depending on the type of sheet. Higher thread count sheets are made with finer yarns, which can make them smoother, denser, and more luxurious feeling. However, a high thread count is not the only indicator of quality, and other factors such as the type of cotton and yarns used, as well as the weave, are also important. Manufacturers calculate thread count by adding up the vertical warp and horizontal weft yarns in a square inch of fabric. While a higher thread count can create a softer, more buttery feel, crazy high thread counts are likely deceptive, and thread counts over 1,500 are not necessarily better. In general, a thread count between 300 and 500 is a sweet spot for most styles of sheets, and a minimum of 200 is recommended. Shoppers should be wary of extremely high thread counts, such as 900 or more, as they may be an indication of low-quality sheets.