SI Number Prefixes
Yotta (Y) = 1,000,000,000,000,000,000,000,000
Zetta(Z) = 1,000,000,000,000,000,000,000
Exa(E) = 1,000,000,000,000,000,000
Peta(P) = 1,000,000,000,000,000
Tera(T) = 1,000,000,000,000
Giga(G) = 1,000,000,000
Mega(M) = 1,000,000
Kilo(k) = 1,000
Hecto(h) = 100
Deca(da) = 10
Unit = 1
Deci(d) = 0.1
Centi(c) = 0.01
Milli(m) = 0.001
Micro(μ) = 0.000 001
Nano(n) = 0.000 000 001
Pico(p) = 0.000 000 000 001
Femto(f) = 0.000 000 000 000 001
Atto(a) = 0.000 000 000 000 000 001
Zepto(z) = 0.000 000 000 000 000 000 001
Yocto(y) = 0.000 000 000 000 000 000 000 001