| 
  
    | 
    Multiplication factor | Prefix | Symbol |  
    |  |  |  |  
    | 1,000,000,000,000,000,000,000,000 = 1024 | yotta | Y |  
    | 1,000,000,000,000,000,000,000 = 1021 | zetta | Z |  
    | 1,000,000,000,000,000,000 = 1018 | exa | E |  
    | 1,000,000,000,000,000 = 1015 | peta | P |  
    | 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 = 102 | hecto | h |  
    | 10 = 10 | 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 | m |  
    | 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 |  
    | 0.000,000,000,000,000,000,001 = 10-21 | zepto | z |  
    | 0.000,000,000,000,000,000,000,001 = 10-24 | yocto | y |  |