Climate Change 2007: Working Group III: Mitigation of Climate Change
Prefixes for basic physical units
| Enlargement | Reduction |
|---|
| name | symbol | factor | name | symbol | factor |
|---|
| deca | da | 10+1 | deci | d | 10-1 |
| hecto | h | 10+2 | centi | c | 10-2 |
| kilo | k | 10+3 | milli | m | 10-3 |
| mega | M | 10+6 | micro | ยต | 10-6 |
| giga | G | 10+9 | nano | n | 10-9 |
| tera | T | 10+12 | pico | p | 10-12 |
| peta | P | 10+15 | femto | f | 10-15 |
| exa | E | 10+18 | atto | a | 10-18 |