HwB: SI Prefixes Table

SI Prefixes

Example: 1 TW=1000 GW (W=Watt)

Symbol	Prefix	Factor
Z	Zetta	1021
E	Exa	1018
P	peta	1015
T	tera	1012
G	giga	109
M	Mega	106
k	kilo	103
h	hecto	102
da	deca	101
d	deci	10-1
c	centi	10-2
m	milli	10-3
µ	micro	10-6
n	nano	10-9
p	pico	10-12
f	femto	10-15
a	atto	10-18
z	zepto	10-21
y	yokto	10-24

Note: In the computer world things are a bit different:

Symbol	Prefix	Factor	Factor
P	peta	250	1125899906842624
T	tera	240	1099511627776
G	giga	230	1073741824
M	Mega	220	1048576
k	kilo	210	1024

Contributor: Joakim Цgren, Haudy Kazemi, ">Knut Kristan Weber

Source: Farnell Components Catalogue

Please send any comments to Joakim Цgren.