I just found the coolest website! I am trying out a new cake doughnut recipe, and it calls for 8 oz. of sifted flour. Is the author kidding me? I need to know how many cups that is. Well, I used Google to look up converting ounces to cups for flour, and I found this great website that calculates the conversion for me:
So now I know that this is approximately 1.8 cups of flour. My measuring cup has 1/8 cup increments, so I did the math (See? Math is very useful! Even for eating!) and found that I will need to use just over 1 and 6/8 cups.
I figured you might find this website handy, too.