Online Unit Converter

Online Unit Converter Pro

Your resource for unit conversions.

Metric Prefixes

Multiplication Factors
Prefix
Symbol
1E+24
1,000,000,000,000,000,000,000,000
yotta
Y
1E+21
1,000,000,000,000,000,000,000
zetta
Z
1E+18
1,000,000,000,000,000,000
exa
E
1E+15
1,000,000,000,000,000
peta
P
1E+12
1,000,000,000,000
tera
T
1E+9
1,000,000,000
giga
G
1E+6
1,000,000
mega
M
1E+3
1,000
kilo
k
1E+2
100
hecto
h
1E+1
10
deka
da
1E+0
1
-
-
1E-1
0.1
deci
d
1E-2
0.01
centi
c
1E-3
0.001
milli
m
1E-6
0.000 001
micro
1E-9
0.000 000 001
nano
n
1E-12
0.000 000 000 001
pico
p
1E-15
0.000 000 000 000 001
femto
f
1E-18
0.000 000 000 000 000 001
atto
a
1E-21
0.000 000 000 000 000 000 001
zepto
z
1E-24
0.000 000 000 000 000 000 000 001
yocto
y
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