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