NUMBERS LESS THAN 1
| Power of 10 | Prefix | Abbreviation |
| 10^-1 | deci- | d |
| 10^-2 | centi- | c |
| 10^-3 | mili- | m |
| 10^-6 | micro- | μ |
| 10^-9 | nano- | n |
| 10^-12 | pico- | p |
| 10^-15 | femto- | f |
| 10^-18 | atto- | a |
| 10^-21 | zepto- | z |
| 10^-24 | yocto- | y |
NUMBERS GREATER THAN 1
| Power of 10 | Prefix | Abbreviation |
| 10^1 | deca- | da |
| 10^2 | hecto- | h |
| 10^3 | kilo- | k |
| 10^6 | Mega- | M |
| 10^9 | Giga- | G |
| 10^12 | Tera- | T |
| 10^15 | Peta- | P |
| 10^18 | Exa- | E |
| 10^21 | Zetta- | Z |
| 10^24 | Yotta- | Y |