| M5 Home Page |
| ChemTeam | Converting from One Metric Unit to Another |
| Ralph Logan | Metric System and Unit Conversion |
| All About Circuits | Metric Prefixes and Unit Conversions |
| Dr. Register's Science Resources | Prefixes of the SI |
| Fact Monster | Numerical Prefixes |
| Math League | Decimals in Measurement |
| Math2.org | SI Prefixes |
| Math2.org | Number Notation |
| SI Metric | SI Prefixes |
| Whatis? | Kilo, mega, giga, tera, peta, and all that |
| ChemTeam | Humorous Metric Conversion Chart |
| Chemtutor | Metric Prefix Humor |
| ChemTeam | Metric Square and Cubic Units |
| ChemTeam | Metric Prefixes |