Prefixes

E (exa)

(10^18) 1,000,000,000,000,000,000

P (peta)

(10^15) 1,000,000,000,000,000

T (tera)

(10^12) 1,000,000,000,000

G (giga)

(10^9) 1,000,000,000

M (mega)

(10^6) 1,000,000

k (kilo)

(10^3) 1,000

d (deci)

(10^-1) 0.1

c (centi)

(10^-2) 0.01

m (milli)

(10^-3) 0.001

� (micro)

(10^-6) 0.000001

n (nano)

(10^-9) 0.000000001

p (pico)

(10^-12) 0.000000000001

f (femto)

(10^-15) 0.000000000000001

a (atto)

(10^-18) 0.000000000000000001