SI Prefixes



SI Prefixes

Factor

Prefix

Symbol

10¹

deca

da

10²

hecto

h

10³

kilo

k

106

mega

M

109

giga

G

1012

tera

T

1015

peta

P

1018

exa

E

10-1

deci

d

10-2

centi

c

10-3

milli

m

10-6

micro

m

10-9

nano

n

10-12

pico

p

10-15

femto

f

10-18

atto

a

For more information see the article WEIGHTS & MEASURES.