|プレフィックス|シンボル| 10のパワー|
| --- | --- | --- |
| yotta | y | 10 24 |
|ゼッタ| z | 10 21 |
| exa | E | 10 18 |
| PETA | p | 10 15 |
| tera | t | 10 12 |
|ギガ| g | 10 9 |
|メガ| m | 10 6 |
|キロ| k | 10 3 |
| hecto | h | 10 2 |
| deca | da | 10 1 |
| deci | d | 10 -1 |
| Centi | c | 10 -2 |
|ミリ| m | 10 -3 |
|マイクロ| µ | 10 -6 |
|ナノ| n | 10 -9 |
|ピコ| p | 10 -12 |
| femto | f | 10 -15 |
| atto | a | 10 -18 |
| Zepto | z | 10 -21 |
| yocto | y | 10 -24 |