METRIC PREFIXES

 
Prefix   Abbrev.   Multiply base unit by:       Example:
Tera- T 1 trillion = 1012 1 Terameter (Tm)     = 1012 m
Giga- G 1 billion = 109 1 Gigameter (Gm)     = 109 m
Mega- M 1 million = 106 1 Megameter (Mm)   = 106 m
Kilo- K or k 1000 = 103 1 Kilometer (km)       = 103 m
    1 = 100 1 meter (base unit)   =   1 m
deci- d 1/10 = .1 = 10-1 1 decimeter (dm)     = 10-1 m
centi- c 1/100 = .01 = 10-2 1 centimeter (cm)     = 10-2 m
milli- m 1/1000 = .001 = 10-3 1 millimeter (mm)     = 10-3 m
micro- μ ("mu") 1/million = 10-6 1 micrometer (μm)   = 10-6 m
nano- n 1/billion = 10-9 1 nanometer (nm)     = 10-9 m
pico- p 1/trillion = 10-12 1 picometer (pm)     = 10-12 m


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