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International System of Units Prefixes

The International System of units prefixes is abbreviated as SI prefixes.

 

Here is the complete list:

Factor Name Symbol   Factor Name Symbol
1024 yotta Y   10-1 deci d
1021 zetta Z   10-2 centi c
1018 exa E   10-3 milli m
1015 peta P   10-6 micro μ
1012 tera T   10-9 nano n
109 giga G   10-12 pico p
106 mega M   10-15 femto f
103 kilo k   10-18 atto a
102 hekto h   10-21 zepto z
101 deka da   10-24 yocto y