Important Metric Prefixes

 

Prefix Abbreviation Meaning
tera- T x 1012
giga-* G x 109
mega- M x 106
kilo- k x 103
deci- d x 10-1
centi- c x 10-2
milli- m x 10-3
micro- µ x 10-6
nano-* n x 10-9
pico-* p x 10-12

*In older literature, certain double prefixes are used:
kilomega (kM) for 109; millimicro (mµ) for 10-9; micromicro (µµ) for 10-12.


 

 
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