Metric Prefixes

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Metric Prefixes in Everyday Use

exa

10^18 (E)

peta

10^15 (P)

tera

10^12 (T)

giga

10^9 (G)

mega

10^6 (M)

kilo

10^3 (k)

hecto

10^2 (h)

deca

10^1 (da)

(none)

10^0

deci

10^-1 (d)

centi

10^-2 (c)

milli

10^-3 (m)

micro

10^-6 (μ)

nano

10^-9 (n)

pico

10^-12 (p)

femto

10^-15 (f)

atto

10^-18 (a)

Notes