International System of Units (S.I.) Multiples.
The International System of Units contains a number of prefixes which correspond with the relevant multiplication factors of a given unit. The table below contains these prefixes.
Prefix | Symbol | Factor |
---|---|---|
peta | P | Â 1015 |
tera | T | Â 1012 |
giga | G | Â 109 |
mega | M | Â 106 |
kilo | k | Â 103 |
hecto | h | Â 102 |
deca | da | Â 101 |
deci | d | Â 10-1 |
centi | c | Â 10-2 |
milli | m | Â 10-3 |
micro | μ |  10-6 |
nano | n | Â 10-9 |
pico | p | Â 10-12 |
femto | f | Â 10-15 |
atto | a | Â 10-18 |