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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.

PrefixSymbolFactor
peta P  1015
tera T  1012
giga G  109
mega M  106
kilo k  103
hecto h  102
deca da  101
deci d  10-1
centi c  10-2
milli m  10-3
micro μ  10-6
nano n  10-9
pico p  10-12
femto f  10-15
atto a  10-18
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