Egg Beaters Original has 25 calories per 3 tablespoons , and 1/3 cup equals 5 tablespoons plus 1 teaspoon , so it comes out to about 42 calories.

Amount Calories
3 tbsp 25
1/3 cup about 42
That estimate is based on the product’s listed serving size and calorie count, with a small rounding adjustment for the extra teaspoon.