15 or 1,000,000,000,000,000 one quadrillion
10 +12 or 1,000,000,000,000 one trillion
10 +9 or 1,000,000,000 one billion
10 +6 or 1,000,000 one million
10 +3 or 1,000 one thousand
10 +2 or 100 one hundred
10 +1 or 10 ten
10 +0 or 1 one
10 -1 or 0.1 one tenth
10 -2 or 0.01 one hundredth
10 -3 or 0.001 one thousandth
10 -6 or 0.000 001 one millionth
10 -9 or 0.000 000 001 one billionth
10 -12 or 0.000 000 000 001 one trillionth
10 -15 or 0.000 000 000 000 001 one quadrillionth
10 -18 or 0.000 000 000 000 000 001 one quintillionth

Conversions from a multiple or submultiple to the basic units of meters,
liters, or grams can be done using the table. For example, to convert from
kilometers to meters, multiply by 1,000 (9.26 kilometers equals 9,260 meters)
or to convert from meters to kilometers, multiply by 0.001 (9,260 meters equals
9.26 kilometers)
Length,
weight,
Prefix Symbol capacity Area Volume
------ ------ -------- ------ -------
exa E 10 +18 10 +36 10 +54
peta P 10 +15 10 +30 10 +45
tera T 10 +12 10 +24 10 +36
giga G 10 +9 10 +18 10 +27
mega M 10 +6 10 +12 10 +18
hectokilo hk 10 +5 10 +10 10 +15
myria ma 10 +4 10 +8 10 +12
kilo k 10 +3 10 +6 10 +9
hecto h 10 +2 10 +4 10 +6
deka da 10 +1 10 +2 10 +3
basic unit - 1 meter, 1 meter2 1 meter3
1 gram,
1 liter
deci d 10 -1 10 -2 10 -3
centi c 10 -2 10 -4 10 -6
milli m 10 -3 10 -6 10 -9
decimilli dm 10 -4 10 -8 10 -12
centimilli cm 10 -5 10 -10 10 -15
micro u 10 -6 10 -12 10 -18
nano n 10 -9 10 -18 10 -27
pico p 10 -12 10 -24 10 -36
femto f 10 -15 10 -30 10 -45
atto a 10 -18 10 -36 10 -54

==================================