Calories in Steamed Clams

Clams are a form of bivalve shellfish that are either caught wild or farmed along the ocean shoreline. Often prepared by steaming, clams have a sweet, salty and slightly chewy flesh that is high in calories, primarily from protein.


The U.S. Department of Agriculture indicates that 20 small clams contain 281 calories. Of that serving, proteins make up 206 calories. Carbohydrates offer around 40 calories and fats contain 35 calories.

Total Caloric Intake

The same portion size of steamed clams can serve as around 14 percent of the daily recommended caloric intake for the average adult based on a 2,000 calories per day diet.


According to the USDA, 20 small clams weigh a total of 190 g. Of that serving, 49 g are protein, 10 g are carbohydrates and 4 g are fats. The remainder consists of indigestible matter, other nutrients and water.


Clams contain many vitamins including vitamin A, B6, B12, C, thiamin, riboflavin, niacin, folate and pantothenic acid. Dietary minerals, such as iron, calcium, copper, manganese, phosphorus, potassium, selenium and zinc, are also available from clams.

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