metric prefixes

zetta (Z)

10^21

exa (E)

10^18

peta (P)

10^15

tera (T)

10^12

giga (G)

10^9

mega (M)

10^6

kilo (k)

10^3

hecto (h)

10^2

deka (da)

10^1

base unit

10^0

deci (d)

10^-1

centi (c)

10^-2

milli (m)

10^-3

micro (u)

10^-6

nano (n)

10^-9

angstrom (A)

10^-10

pico (p)

10^-12

femto (f)

10^-15

atto (a)

10^-18

zepto (z)

10^-21