by Guest » Thu May 21, 2009 8:48 am
Metric prefixes are pretty easy to understand and very handy for metric conversions. You don't have to know the nature of a unit to convert, for example, from kilo-unit to mega-unit. All metric prefixes are powers of 10. The most commonly used prefixes are highlighted in the table.
Prexis Symbol Factor
yotta Y 10to the24power = 1,000,000,000,000,000,000,000,000
zetta Z 10to the21power = 1,000,000,000,000,000,000,000
exa E 10to the18power = 1,000,000,000,000,000,000
peta P 10to the15power = 1,000,000,000,000,000
tera T 10to the12power = 1,000,000,000,000
giga G 10to the9power = 1,000,000,000
mega M 10to the6power = 1,000,000
kilo k 10to the3power = 1,000
hecto h 10to the2power = 100
deka da 10to the1power = 10
deci d 10to the-1power = 0.1
centi c 10-2 = 0.01
milli m 10-3 = 0.001
micro µ 10-6 = 0.000,001
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
zepto z 10-21 = 0.000,000,000,000,000,000,001
yocto y 10-24 = 0.000,000,000,000,000,000,000,001
from: Convert-me.Com