The more commonly used prefixes are shown in red.
1024
Y
yotta
10-24
y
yocto
1021
Z
zetta
10-21
z
zepto
1018
E
exa
10-18
a
atto
1015
P
peta
10-15
f
femto
1012
T
tera
10-12
p
pico
109
G
giga
10-9
n
nano
106
M
mega
10-6
m
micro
103
k
kilo
10-3
m
milli
102
h
hecto
10-2
c
centi
101
da
deca
10-1
d
deci