How much formula should my baby be getting?

I always wondered how much formula was enough for my baby, here's what I found:

Baby's weight  x2 = how many ounces on the low end

Baby's weight x2.5 = how many ounces on the high end

Here is a great link that helps you get an idea.

http://www.babycenter.com/0_how-to-tell-how-much-formula-your-baby-needs_9136.bc?showAll=true