Where or how can i find this metric unit of measurement?

Question

http://i7.photobucket.com/albums/y252/srhje/milli.jpg

i think it means a milli or something but i need to convert some things and google will not the jpg as well as the text..

Answer 1

yeah, that's right.  it's micrometer.

Answer 2

μm is the symbol of micrometer

1μm = 1/1,000,000 meter = 10^-6 m