Calories in Peanut Butter Cups: Nutrition Facts & Serving Sizes
Per 1 package 0.6 oz 1 cup (17g)
Per 100g
Source: USDA FoodData Central, SR Legacy, March 2026.
Peanut butter cups are a chocolate candy with a creamy peanut butter filling, combining two high-calorie ingredients into a dense treat. A standard 2-cup package (45g) packs around 232 calories. Per 100g, peanut butter cups contain 515 calories, 10.2g of protein, 55.4g of carbs, and 30.5g of fat, with 47.2g of those carbs coming from sugar. Despite being a candy, the peanut butter component contributes some real nutrition: 62mg of magnesium and 343mg of potassium per 100g. Niacin comes in at 4.5mg per 100g. The calorie density is high, and portion control matters a lot here. One miniature cup is only 36 calories, making portion size the key variable when incorporating these into a flexible diet.
Nutrition Highlights
Calories by Serving Size
| Serving | Cal | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| 1 miniature (7g) | 36.1 | 0.7g | 3.9g | 2.1g | 0.3g |
| 1 package 0.6 oz 1 cup (17g) | 87.6 | 1.7g | 9.4g | 5.2g | 0.6g |
| 1 package 1.6 oz 2 cups (45g) | 231.8 | 4.6g | 24.9g | 13.7g | 1.6g |
| 100g | 515 | 10.2g | 55.4g | 30.5g | 3.6g |
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Full Nutrition Facts (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 515 | 26% |
| Protein | 10.2g | 20% |
| Total Fat | 30.5g | 39% |
| Saturated Fat | 10.7g | 54% |
| Total Carbohydrates | 55.4g | 20% |
| Dietary Fiber | 3.6g | 13% |
| Sugars | 47.2g | 94% |
| Sodium | 357mg | 16% |
| Cholesterol | 6mg | 2% |
Vitamins & Minerals (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Saturated Fat | 10.7g | 4% |
| Cholesterol | 6mg | 2% |
| Calcium | 78mg | 6% |
| Iron | 1.2mg | 7% |
| Potassium | 343mg | 7% |
| Vitamin A | 17mcg | 2% |
| Vitamin C | 0.3mg | 0% |
| Vitamin B6 | 0.1mg | 6% |
| Vitamin B12 | 0.3mcg | 13% |
| Magnesium | 62mg | 15% |
| Phosphorus | 161mg | 13% |
| Zinc | 1.3mg | 12% |
| Selenium | 1.4mcg | 3% |
| Folate | 50mcg | 13% |
| Thiamin (B1) | 0.2mg | 17% |
| Riboflavin (B2) | 0.1mg | 8% |
| Niacin (B3) | 4.5mg | 28% |
% Daily Values based on a 2,000 calorie diet (FDA reference).
Health Benefits of Peanut Butter Cups
Peanut butter cups are a high-calorie candy, so the framing here is about moderation and context rather than health benefits in the traditional sense. That said, the peanut butter component brings some real nutrition to the table.
Magnesium (62mg per 100g) is involved in over 300 enzymatic reactions including muscle function and energy production. Potassium (343mg per 100g) supports electrolyte balance, which matters for anyone training hard. Niacin (4.5mg per 100g) contributes to energy metabolism and DNA repair. Folate (50mcg per 100g) is one of the higher values for a candy product.
The protein content (10.2g per 100g) is notable compared to other sweets. It comes mostly from peanuts, which are a complete amino acid source in terms of muscle-supporting nutrients, though not a complete protein in the strict dietary sense.
From a practical standpoint, if you are following a flexible dieting approach (IIFYM), peanut butter cups can fit into a calorie budget when portioned carefully. A single miniature cup at 36 calories is easy to account for. The key is treating them as a deliberate choice within your macros rather than a mindless snack.
Dietary Considerations
Peanut butter cups are not suitable for vegans (contain milk) or those with peanut or tree nut allergies. They are gluten-free in most formulations, but check labels as manufacturing practices vary. With 55.4g of carbs per 100g, they are not keto-compatible. For weight loss, they can fit into a calorie-controlled diet using flexible dieting principles, but the high calorie density means portions need to be small and deliberate. The 357mg of sodium per 100g is moderate.
Daily Intake (100g)
100g of peanut butter cups provides 26% of a 2,000-calorie diet.
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Frequently Asked Questions
How many calories in peanut butter cups?
Peanut butter cups have 515 calories per 100g. A single miniature cup (7g) has about 36 calories, a small single-cup package (17g) has around 88 calories, and the standard 2-cup package (45g) contains roughly 232 calories.
Are peanut butter cups good for weight loss?
Peanut butter cups are calorie-dense at 515 calories per 100g, so they are not a weight-loss food in the traditional sense. However, they can fit into a flexible diet if portioned tightly. A miniature cup at 36 calories is a manageable treat within a calorie deficit.
How much protein in peanut butter cups?
Peanut butter cups contain 10.2g of protein per 100g, which is higher than most candy. The standard 2-cup package (45g) provides about 4.6g of protein. The protein comes from the peanut butter filling.
Are peanut butter cups high in sugar?
Yes. Peanut butter cups have 47.2g of sugar per 100g. The standard 2-cup package alone has over 21g of sugar. Most of this comes from the chocolate and sweetened peanut butter filling.
Are peanut butter cups gluten-free?
The major peanut butter cup brands are generally made without gluten-containing ingredients, but they may be manufactured in facilities that process wheat. Always check the label if you have celiac disease or serious gluten sensitivity.
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