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Metric Prefixes

Name Print Value Factor
yotta(Y)
Y
1024
1 septillion
zetta(Z)
Z
1021
1 sextillion
exa(E)
E
1018
1 quintillion
peta(P)
P
1015
1 quadrillion
tera(T)
T
1012
1 trillion
giga(G)
G
109
1 billion
mega(M)
M
106
1 million
kilo(k)
k
103
1 thousand
hecto(h)
h
102
1 hundred
deka(da)
da
101
1 ten
Name Print Value Factor
deci(d)
d
10-1
1 tenth
centi(c)
c
10-2
1 hundredth
milli(m)
m
10-3
1 thousandth
micro( µ )
µ
10-6
1 millionth
nano(n)
n
10-9
1 billionth
pico(p)
p
10-12
1 trillionth
femto(f)
f
10-15
1 quadrillionth
atto(a)
a
10-18
1 quintillionth
zepto(z)
z
10-21
1 sextillionth
yocto(y)
y
10-24
1 septillionth
Binary Prefixes
Name Print Value
kibi(Ki)
Ki
210 = 1 024
mebi(Mi)
Mi
220 = 1 048 576
gibi(Gi)
Gi
230 = 1 073 741 824
tebi(Ti)
Ti
240 = 1 099 511 627 776
pebi(Pi)
Pi
250 = 1 125 899 906 842 624
exbi(Ei)
Ei
260 = 1 152 921 504 606 846 976

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