[header] How to estimate portion size [title] Compare measured servings to your hands. [step] One easy way to estimate portion sizes of foods is by using your hands. Since it's a part of your body, it's a very convenient measuring tool even if you're out at fancy restaurant. 
However, everyone's hands are different, so practice measuring out portions first and compare them to your hands to get an idea of what they should look like. Use these guidelines when trying to estimate a portion size : [substeps] 2 cups will fit into your hands if they were cupped together.