How to gauge how much is too much.

How to gauge how much is too much.

It isn't often that we eat with measuring cups or scales, so how can we determine if we are eating the 1 oz slice of bread or the ½ cup of brown rice? Here, EatingWell shares some of our tricks.

* 1 tablespoon of peanut butter: about the size of an egg, cut in half lengthwise.

* 1 cup of cereal: the size of an average person's fist

* 1 oz. French bread: the size and shape of half a deck of cards

* 5 oz glass of wine: It should be filled to the fattest part of the glass, about half way depending on the type of wine glass.

* 3 oz. cooked flank steak: about 5 thin slices