Metric prefixes and unit conversions.

Metric prefixes:
Yotta = 10²⁴ Symbol: Y
Zetta = 10²¹ Symbol: Z
Exa = 10¹⁸ Symbol: E
Peta = 10¹⁵ Symbol: P
Tera = 10¹² Symbol: T
Giga = 10⁹ Symbol: G
Mega = 10⁶ Symbol: M
Kilo = 10³ Symbol: k
Hecto = 10² Symbol: h
Deca = 10¹ Symbol: da
Deci = 10^-1 Symbol: d
Centi = 10^-2 Symbol: c
Milli = 10^-3 Symbol: m
Micro = 10^-6 Symbol: µ
Nano = 10^-9 Symbol: n
Pico = 10^-12 Symbol: p
Femto = 10^-15 Symbol: f
Atto = 10^-18 Symbol: a
Zepto = 10^-21 Symbol: z
Yocto = 10^-24 Symbol: y