| Metric prefixes
|
| Text
|
Symbol
|
Factor
|
| yotta
|
Y
|
1024
|
| zetta
|
Z
|
1021
|
| exa
|
E
|
1018
|
| peta
|
P
|
1015
|
| tera
|
T
|
1012
|
| giga
|
G
|
109
|
| mega
|
M
|
106
|
| kilo
|
k
|
103
|
| hecto
|
h
|
102
|
| deca
|
da
|
101
|
| (none)
|
(none)
|
1
|
| 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
|
| zepto
|
z
|
10−21
|
| yocto
|
y
|
10−24
|
|
|
|
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