SI PREFIXES:
| Factor | Prefix | Symbol |
| X 1024 | yotta | Y |
| X 1021 | zetta | Z |
| X 1018 | exa | E |
| X 1015 | peta | P |
| X 1012 | tera | T |
| X 109 | giga | G |
| X 106 | mega | M |
| X 103 | kilo | k |
| X 102 | hecto | h |
| X 101 | deka | da |
| X 10-1 | deci | d |
| X 10-2 | centi | c |
| X 10-3 | milli | m |
| X 10-6 | micro | m |
| X 10-9 | nano | n |
| X 10-12 | Pico | p |
| X 10-15 | femto | f |
| X 10-18 | atto | a |
| X 10-21 | zepto | z |
| X 10-24 | yocto | y |