There are 140 calories in 2 packages (28 g) of Hershey's Kit Kat (Snack Size). Richest in Calories: 518kcal (20% of DV), Saturated Fat: 18g … 2,000 calories a day is used for general nutrition advice. A recent study published in the American Journal of Preventive Medicine shows that keeping a food diary may double your weight loss efforts. KIT KAT ® Milk Chocolate Snack Size Candy Bars, 10.78 oz bag KIT KAT® snack size bars are the perfect portion of smooth milk chocolate coating over a light, crispy wafer to satisfy your craving. main content. The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 18 Net Carbs Per Serving Add to Food Diary Live Healthy & Happy. 2,000 calories a day is used for general nutrition advice. The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. Start; Food Tracker. There are 78 calories in 1 snack size bar of Kit Kat. Calories in Kit Kat Snack Size based on the calories, fat, protein, carbs and other nutrition information submitted for Kit Kat Snack Size. Kit Kat nutrition (100 grams). Buy Now 17.5 Net Carbs Per Serving Add to Food Diary : Calorie breakdown: 44% fat, 50% carbs, 6% protein. Kit Kat, Snack Size Crisp Wafer Bar - Hershey's 3 two piece bars 210 calories 27.0 grams carbs 11.0 grams fat 3.0 grams protein 0.9 grams fiber 3.0 mg cholesterol 7.0 grams saturated fat 30.0 mg sodium 0 grams sugar 0 grams trans fat : Calorie breakdown: 45% fat, 50% carbs, 5% protein.