California State University
Csudh: Chemistry: Converting Distance
Convert distance measures between the English (inches, feet and yards) and metric (mm,cm,meters,km). It is intended to help with both your math skill and your understanding of the metric system.
Other
Bob's Byway: Glossary of Poetic Terms
Calling itself "unique," Bob's is easy to use, with cross-links throughout, phonetic pronunciation guides when necessary, and many examples and quotations. Click on the letter and scroll for the word.