[Jorge]

" I believe a "micro" is a millionth. "

Sorry, but you're off by a factor of 1000. "Micro" means 1/1000.

Sorry but a K designates 1000ths. A micro is a millionth. :)

[gas_dr]

Micro is a millionth -- true enough, but in the realm of units less than 1, milli is a thousandth (ie millimeter).

[poindexter]

" Sorry but a K designates 1000ths. A micro is a millionth. :)"

Doh! you're correct, of course! :-\