Check McDonalds web site for current nutrition data on calories in Mcdonalds fries and Mcdonalds fries nutrition. Source: www.mcdonalds.com. A small McDonalds French fries which is about 68 g gives you about 210 calories, while a large McDonalds French fries (176g) give 540 calories. TF: Total fat, SF: Saturated Fat, Cal: Calories, Ch:Cholesterol, Sod: Sodium, Cb: Carbohydrates, Fb: Fiber, S: Sugar, P: Protein, V A: Vitamin A, V C: Vitamin C, C: Calcium.