Engineering Notation

Units Prefixes

Engineering Prefixes
Prefix Symbol Factor Name
Prefix Symbol Factor Name
yocto y 10-24 septillionth
zepto z 10-21 sextillionth
atto a 10-18 quintillionth
femto f 10-15 quadrillionth
pico p 10-12 trillionth
nano n 10-9 billionth
micro µ 10-6 millionth
milli m 10-3 thousandth
centi c 10-2 hundredth
deci d 10-1 tenth
    100 one
deka da 10+1 ten
hecto h 10+2 hundred
kilo k 10+3 thousand
mega M 10+6 million
giga G 10+9 billion
tera T 10+12 trillion
peta P 10+15 quadrillion
exa E 10+18 quintillion
zetta Z 10+21 sextillion
yotta Y 10+24 septillion
Valid XHTML 1.0! Valid CSS! Uzume
Last modified Date: Wed 2006-03-08 00:31:53 UTC