Commonly Used Prefixes for SI Units

giga

Symbol: G Numerical: 1,000,000,000 Exponential: 10^9

mega

Symbol: M Numerical: 1,000,000 Exponential: 10^6

centi

Symbol: c Numerical: 0.01 Exponential: 10^-2

deci

Symbol: d Numerical: 0.1 Exponential: 10^-1

deka

Symbol: da Numerical: 10 Exponential: 10^1

hecto

Symbol: h Numerical: 100 Exponential: 10^2

kilo

Symbol: k Numerical: 1000 Exponential: 10^3

milli

Symbol: m Numerical: 0.001 Exponential: 10^-3

nano

Symbol: n Numerical: 0.000000001 Exponential: 10^-9

pico

Symbol: p Numerical: 0.000000000001 Exponential: 10^-12

micro

Symbol: μ Numerical: 0.000001 Exponential: 10^-6