Each serving, therefore, costs just 12 cents.According to the Nutrition Facts label, three-fourths of a cup of cooked rice has 160 calories, 25 grams of carbohydrate, 3 grams of protein, no fat and no sodium.Rice is enriched with iron and B vitamins, including thiamin and riboflavin.Although they often are given credit for giving us energy, vitamins do not contain energy.