| Multiplication factors | Prefix | SI Symbol | ||
| 1 000 000 000 000 | = | 1012 | tera | T |
| 1 000 000 000 | = | 109 | giga | G |
| 1 000 000 | = | 106 | mega | M |
| 1 000 | = | 103 | kilo | k |
| 100 | = | 10 | hecto | h |
| 10 | = | 101 | deka | da |
| 0.1 | = | 10-1 | deci | d |
| 0.01 | = | 10-2 | centi | c |
| 0.001 | = | 10-3 | milli | m |
| 0.000 001 | = | 10-6 | micro | μ |
| 0.000 000 001 | = | 10-9 | nano | n |
| 0.000 000 000 001 | = | 10-12 | pico | p |
| 0.000 000 000 000 001 | = | 10-15 | femto | f |
| 0.000 000 000 000 000 001 | = | 10-18 | atto | a |
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