As expected, a plain croissant will have fewer calories than one filled with chocolate or other sweet sticky stuff. But a plain, butter croissant still comes in around 250 - 300 calories.. Croissant Amount Per Serving. Calories 272 % Daily Value* Total Fat 14 g grams 18% Daily Value. Saturated Fat 7.8 g grams 39% Daily Value. Polyunsaturated Fat 0.7 g grams. Monounsaturated Fat 3.7 g grams. Cholesterol 45 mg milligrams 15% Daily Value. Sodium 313 mg milligrams 14% Daily Value.
Generally, a plain croissant weighs around 60 grams or 2.1 ounces. Based on this typical size, a plain croissant contains approximately 230-260 calories. So, the **answer to the question "How many calories in a plain croissant?" is around 230-260 calories.** Are all plain croissants the same in terms of calories?. A plain croissant typically contains around 26 grams of carbohydrates. 2. How much fat is in a plain croissant? A plain croissant contains roughly 12 grams of fat. 3. Are there any vitamins in a plain croissant? While croissants do contain some vitamins, such as vitamin A and a small amount of vitamin C, they are not a significant source of.