Carbs in Fun Size Peanut Butter M&M
How many carbs are in fun size peanut butter m&m?
Fun Size Peanut Butter M&M has 15.2g net carbs per 100g — 21.8g total carbs minus 6.6g fiber — plus 24g protein, 49.9g fat, and 590 calories. That makes fun size peanut butter m&m moderate in net carbs and lower than the typical dairy food, which averages about 24.3g net carbs per 100g. At this carb count, fun size peanut butter m&m is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.
Keeping an eye on carbs in fun size peanut butter m&m?
Fun Size Peanut Butter M&M runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is fun size peanut butter m&m keto-friendly?
Fun Size Peanut Butter M&M is borderline for keto — it works only in small portions. It has 15.2g net carbs per 100g (21.8g total carbs − 6.6g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
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 |
How many calories are in fun size peanut butter m&m?
Fun Size Peanut Butter M&M has 590 calories per 100g. That's alongside 24g protein, 49.9g fat, and 15.2g net carbs per 100g.
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 is borderline for keto — it works only in small portions. It has 15.2g net carbs per 100g (21.8g total carbs − 6.6g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in fun size peanut butter m&m?
- Fun Size Peanut Butter M&M has 590 calories per 100 grams.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.