M&M's vs Reese's Peanut Butter Cup: Which Has More Calories?
Per 100 g, M&M's has 492 kcal and Reese's Peanut Butter Cup has 515 kcal, so M&M's has 4% fewer calories.
Reese's Peanut Butter Cup has more protein (10.2 g vs 4.33 g). Reese's Peanut Butter Cup has more fat (30.5 g vs 21.1 g). M&M's has more carbohydrates (71.2 g vs 55.4 g). Relative to calories, Reese's Peanut Butter Cup is the better protein source (1.99 g vs 0.88 g of protein per 100 kcal).


Nutrition Facts
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Amount Per Serving:
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Amount Per Serving:
M&M vs Reese 100g Compare
| per 100g | M&M's | Reese's Peanut Butter Cup |
|---|---|---|
| Calories | 492 | 515 |
| Carbohydrates | 71.19 g | 55.36 g |
| Fat | 21.13 g | 30.53 g |
| Dietary fiber | 2.8 g | 3.6 g |
| Protein | 4.33 g | 10.24 g |
| Water | 1.7 g | 1.44 g |
| Calcium | 105 mg | 78 mg |
| Iron | 1.11 mg | 1.21 mg |
| Magnessium | 44 mg | 62 mg |
| Potassium | 261 mg | 343 mg |
| Sodium | 61 mg | 357 mg |
| Vitaminium B1 (Thiamine) | 0.079 mg | 0.16 mg |
| Vitaminium B2 (riboflavin) | 0.213 mg | 0.11 mg |
| Vitaminium B3 (Niacin) | 0.27 mg | 4.49 mg |
| Vitaminium B6 | 0.025 mg | 0.1 mg |
| Vitaminium B9 (Folic acid) | 0.008 µg | 0.05 µg |
| Vitaminium C | 0.5 mg | 0.3 mg |
| Vitaminium E | 0.36 mg | 0.15 mg |
| Vitaminium K | 0.004 µg | 0.002 µg |
Less Calories in M&M
At first glance, you can see that in M&M is just a little less calories than in Reese.
M&M has 492 kcal per 100g and Reese 515 kcal per 100g so it is pretty easy to calculate that the difference is about 5%.
In M&M and in Reese most calories came from carbs.
See tables below to compare M&M with Reese in details.
M&M's 100g
492kcalCalories source
- 58% CARBS.
- 4% PROTEIN
- 39% FAT
Reese's Peanut Butter Cup 100g
515kcalCalories source
- 41% CARBS
- 8% PROTEIN
- 51% FAT
Compares of M&M
Compares of Reese
About the data
Nutrition values on this page are given per 100 g of the food and are based on the official United States Department of Agriculture FoodData Central database. The exact record used for each food is linked under the tables.
Marcin Piotrowicz – calories-info.com creator · Healthy diet and healthy lifestyle promoter. The information is for general purposes and is not medical or dietary advice.