| Name | Symbol | Base 10 Power | Short Scale Word | Long Scale Word | Is from SI | Unit System |
|---|---|---|---|---|---|---|
| atto | a | -18 | quintillionth | trillionth | Yes | SI |
| centi | c | -2 | hundredth | Yes | SI | |
| deca | da | 1 | ten | Yes | SI | |
| deci | d | -1 | tenth | Yes | SI | |
| exa | E | 18 | quintillion | trillion | Yes | SI |
| femto | f | -15 | quadrillionth | billiardth | Yes | SI |
| giga | G | 9 | billion | milliard | Yes | SI |
| hecto | h | 2 | hundred | Yes | SI | |
| kilo | k | 3 | thousand | Yes | SI | |
| mega | M | 6 | million | Yes | SI |