This page is hosted on AFS file server space, which is being shut down on November 13, 2018. If you are seeing this message, your service provider needs to take steps now. Visit for more information.

How Many?

A Dictionary of Units of Measurement

The Dictionary of Units of Measurement has moved to this new address:

Be sure to update your links and bookmarks!

Home to one of the largest free information databases online, is a collaboration of the School of Information and Library Science and Information Technology Services at the University of North Carolina at Chapel Hill.