Seems pretty clear?
http://www.united.com/page/article/0,1360,50614,00.html
150% of actual, paid miles in First (F class)
125% of actual, paid miles in Business (C class)
100% of actual, paid miles in full-fare Economy (Y class)
70% of actual, paid miles in discount Economy (all other classes)
I'd ring Mileage Plus to see if you get status (EQM) miles.
[This message has been edited by transpac (edited Mar 19, 2004).]