Many people don’t realize that a serving of beef or chicken is 3 ounces, let alone know how much meat is in that 3 ounce serving. For beef or chicken, 3 ounces is about the size of a deck of cards.

The advice says a single portion of chicken breast, salmon fillet or steak should be about half the size of your hand. For pasta or rice it comes to two handfuls – before cooking.

Fist A closed fist is equivalent to about 1 cup or 8 fluid ounces. This can be used to measure one serving of vegetables, including broccoli, spinach or carrots, or 8 ounces of a beverage, like ...

In our “super-size” meal world, being served large portions is a constant occurrence, and meals that come as a single portion actually contain multiple servings, leading to weight gain.