Three cups of
Anonymous. There are four sticks (or two cups) in one pound of butter, so one stick of butter = 1/2 or 0.5 cups. Therefore 3/4 stick or 0.75 sticks is 0.375 cups. An easier relationship (and easier to measure) is that one cup of butter is eight ounces, which equals 16 tablespoons. Therefore one stick of butter equals eight tablespoons, and each.