prefixes + exponents of SI system

mega symbol

M

nano symbol

n

deci symbol

d

micro symbol

μ (mu)

pico symbol

p

kilo symbol

k

milli symbol

m

centi symbol

c

mega exponent

1×10^6

nano exponent

1×10^-9

deci exponent

1×10^-1

micro exponent

1×10^-6

pico exponent

1×10^-12

kilo exponent

1×10³

milli exponent

1×10^-3

centi exponent

1×10^-2

tera symbol

T

giga symbol

G

tera exponent

1×10^12

giga exponent

1×10^9

femto symbol

f

femto exponent

1×10^-15

deka symbol

da

deka exponent

1×10^1

hecto symbol

h

hecto exponent

1×10²