How to List Sizes of Sub-Directories

Performing a simple du -h on a Linux directory produces way too much information if there are a lot of sub-directories. To find the sizes of only the directories in the current directory, which is often more useful, look at the last line of the du -h only for sub-directory. To list size of all subdirectories
for x in $(ls); do du -h $x | tail -1; done