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Prefixes

Miscellaneous - Prefixes

The metric system is based on a system of base units and prefixes. However metric system prefixes found an application in new areas.

Metric System's Prefixes
prefix symbol factor
exa- E 1018= 1 000 000 000 000 000 000
peta- P 1015= 1 000 000 000 000 000
tera- T 1012= 1 000 000 000 000
giga- G 109= 1 000 000 000
mega- M 106= 1 000 000
kilo- k 103= 1 000
hecto-, hect- h 102= 100
deca-, dec- da 101= 10
100= 1
deci- d 10-1= 0.1
centi-, cent- c 10-2= 0.01
milli- m 10-3= 0.001
micro-, micr- 10-6= 0.000 0001
nano- n 10-9= 0.000 000 001
pico- p 10-12= 0.000 000 000 001
femto- f 10-15= 0.000 000 000 000 001
atto- a 10-18= 0.000 000 000 000 000 001
"Computer's" Prefixes
prefix symbol factor
tera- T 240= 1 099 511 627 776
giga- G 230= 1 073 741 824
mega- M 220= 1 048 576
kilo- k 210= 1 024

Modified on 01/19/2000