Portion vs Serving Size
An important part about eating healthy is choosing the appropriate amounts of food to eat. When it comes to deciding how much to eat, the terms serving size and portion size tend to be used interchangeably, but they don’t mean the same thing.
Serving size is a standardized amount of food, typically used to quantify recommended amounts by either MyPlate food groups or quantities typically consumed by people on nutrition facts labels. Portion size is the amount of food you choose to eat, which may be more than or less than a serving.
Measure foods regularly to get an idea of what serving sizes look like. The more regularly you measure foods, the easier it becomes to pick appropriate amounts of food for your body so that you are not too full or too hungry.