Use this useful tool to convert prefixes choosing one of the 21 units of measurment included in this app (with the availability to add custom units), that are:
base, yotta, zetta, exa, peta, tera, giga, mega, kilo, hecto, deka, deci, centi, milli, micro, nano, pico, femto, atto, zepto, yocto.
For every units of measurment are also included formulas to convert that unit as you want.