M&M's Peanut Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 serving (49g), 49g; per 100 g: 57.1g net carbs, 510 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
How many carbs are in m&m's peanut?
M&M's Peanut — 1 serving (49g), 49g — has 28g net carbs: 30g total carbs minus 2g fiber, plus 5g protein, 13g fat, and 250 calories. Per 100g that is 57.1g net carbs (61.2g total carbs, 4.1g fiber) and 510 calories. That makes m&m's peanut high in net carbs and higher than the typical vegetable, which averages about 17.9g net carbs per 100g. At this carb count, m&m's peanut is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Is m&m's peanut keto-friendly?
M&M's Peanut is generally not keto-friendly. 1 serving (49g), 49g is 28g net carbs (30g total carbs − 2g fiber); per 100g that is 57.1g net carbs. 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.
Keeping an eye on carbs in m&m's peanut?
M&M's Peanut runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 serving (49g) | 28g | 30g | 5g | 250 |
| 100 g (3.5 oz) | 57.1g | 61.2g | 10.2g | 510 |
| 1 oz (28 g) | 16g | 17.1g | 2.9g | 143 |
How many calories are in m&m's peanut?
M&M's Peanut — 1 serving (49g), 49g — has 250 calories, with 5g protein, 13g fat, and 28g net carbs. Per 100g: 510 calories and 57.1g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 510 |
| Total carbs | 61.2g |
| Net carbs | 57.1g |
| Fiber | 4.1g |
| Sugar | 53.1g |
| Sugar alcohols | 0g |
| Protein | 10.2g |
| Fat | 26.5g |
| Sodium | 163mg |
| Potassium | 306mg |
Source: Manufacturer-reported values (snacks-sweets). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in m&m's peanut?
- M&M's Peanut (1 serving (49g), 49g) has 30g of total carbs and 28g of net carbs. Per 100 grams: 61.2g total, 57.1g net.
- How many net carbs are in m&m's peanut?
- M&M's Peanut has 28g of net carbs per 1 serving (49g), 49g — 30g total carbs minus 2g fiber.
- Is m&m's peanut keto-friendly?
- M&M's Peanut is generally not keto-friendly. 1 serving (49g), 49g is 28g net carbs (30g total carbs − 2g fiber); per 100g that is 57.1g net carbs. 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 m&m's peanut?
- M&M's Peanut (1 serving (49g), 49g) has 250 calories; that is 510 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.