One hundred grammes of meat, such as beef, pork, poultry, or seafood, is equal to 3.5274 ounces or 0.22046 pounds. A deck of playing cards is about the same size as a 100-gram piece of whole meat, like a steak or chicken breast.
A 100-gram portion of shredded or cubed meat is equal to a little less than 1/2 cup. A 100-gram serving of seafood, like shrimp or scallops, is about the same as five shrimp or six to seven medium-sized scallops. Some recipes and diet plans round the number of grammes to ounces up to 4 ounces for ease of use.