What Is the Standard Size of a Pillowcase?

By Staff WriterLast Updated Mar 31, 2020 10:00:32 AM ET

A standard pillow is 20 x 26 inches, and a pillowcase is at least 4 inches longer than the length of the pillow and 1 to 2 inches wider. This brings the standard pillowcase size to 21 x 30 or 22 x 30 inches.