| S. No. | Prefix | Symbol | Multiplier |
| 1 | Deci | d | 10-1 |
| 2 | Centi | c | 10-2 |
| 3 | Milli | m | 10-3 |
| 4 | Micro | 10-6 | |
| 5 | Nano | n | 10-9 |
| 6 | Pico | p | 10-12 |
| 7 | Femto | f | 10-15 |
| 8 | Atto | a | 10-18 |
| 9 | Zepto | z | 10-21 |
| 10 | Yocto | y | 10-24 |
| 11 | Deca | da | 101 |
| 12 | Hecto | h | 102 |
| 13 | Kilo | k | 103 |
| 14 | Mega | M | 106 |
| 15 | Giga | G | 109 |
| 16 | Tera | T | 1012 |
| 17 | Peta | P | 1015 |
| 18 | Exa | E | 1018 |
| 19 | Zetta | Z | 1021 |
| 20 | Yotta | Y | 1024 |
