The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. But, if you’re watching your calorie intake or trying to make healthier choices, you might wonder: how many calories are in peanut butter ? Knowing the calorie content of peanut butter is important for managing your diet, whether you're trying to lose weight, gain muscle, or simply maintain a healthy lifestyle. There are 94 calories in 1 tablespoon of Peanut Butter . Get full nutrition facts and other common serving sizes of Peanut Butter including 1 serving and 100 g. Peanut butter is a popular and nutritious food source, with a nutritional profile that includes 190 calories per 2 tablespoon serving, including 16g of fat, 8g of carbs, 2g of fiber, and 7g of protein.