Carbs in Fun Size Peanut Butter M&M
Fun Size Peanut Butter M&M (per 100 g) contains 21.8g total carbs, 15.2g net carbs, 49.9g fat, 24g protein, and 590 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian

15.2g
Net carbs
21.8g
Total carbs
6.6g
Fiber
24g
Protein
49.9g
Fat
590
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 15.2g | 21.8g | 24g | 590 |
| 1 oz (28 g) | 4.3g | 6.1g | 6.7g | 165 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 590 |
| Total carbs | 21.8g |
| Net carbs | 15.2g |
| Fiber | 6.6g |
| Sugar | 9.3g |
| Sugar alcohols | 0g |
| Protein | 24g |
| Fat | 49.9g |
| Sodium | 203mg |
| Potassium | 747mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in fun size peanut butter m&m?
- Fun Size Peanut Butter M&M has 21.8g of total carbs and 15.2g of net carbs per 100 grams.
- How many net carbs are in fun size peanut butter m&m?
- Fun Size Peanut Butter M&M has 15.2g of net carbs per 100 grams (total carbs 21.8g minus 6.6g fiber).
- Is fun size peanut butter m&m keto-friendly?
- Fun Size Peanut Butter M&M has 15.2g net carbs per 100g, which is high for keto. Enjoy it in small portions or save it for higher-carb days.
- How many calories are in fun size peanut butter m&m?
- Fun Size Peanut Butter M&M has 590 calories per 100 grams.



