Carbs in peanut butter: 17.3g Net Carbs per 100g

Q: How many net carbs are in peanut butter?

peanut butter contains 17.3g net carbs per 100g, calculated by subtracting 5.0g of dietary fiber from 22.3g total carbohydrates.

Q: How many calories are in peanut butter?

peanut butter has 598 calories per 100g, with 22.2g protein, 51.4g fat, and 22.3g total carbohydrates.

Complete nutrition facts — total carbs, fiber, sugar, calories, and whether peanut butter fits your keto or low-carb diet.

17.3g Net Carbs

22.3g Total Carbs

598 Calories

5.0g Fiber

Is peanut butter Keto-Friendly?

⚠️ peanut butter is low carb — watch your portion

peanut butter has 17.3g net carbs per 100g. While not ultra-low carb, smaller portions can fit a keto or low-carb diet depending on your daily carb budget.

Full Nutrition Facts — per 100g

Net Carbs	17.3g
Total Carbohydrates	22.3g
Dietary Fiber	5.0g
Sugars	10.5g
Protein	22.2g
Total Fat	51.4g
Calories	598

Source: USDA FoodData Central (FDC ID: 2707537)

Net Carbs by Serving Size

50g

8.7g net carbs

11.2g total · 2.5g fiber · 299 cal

100g

17.3g net carbs

22.3g total · 5.0g fiber · 598 cal

150g

26.0g net carbs

33.5g total · 7.5g fiber · 897 cal

200g

34.6g net carbs

44.6g total · 10.0g fiber · 1196 cal

Compare: Similar Nuts & Seeds

Frequently Asked Questions

How many net carbs are in peanut butter?

peanut butter contains 17.3g net carbs per 100g, calculated by subtracting 5.0g of dietary fiber from 22.3g total carbohydrates.

Can I eat peanut butter on keto?

peanut butter has 17.3g net carbs per 100g, making it borderline for keto. Small portions may fit your daily carb budget — track carefully.

How many calories are in peanut butter?

peanut butter has 598 calories per 100g, with 22.2g protein, 51.4g fat, and 22.3g total carbohydrates.

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Medical Disclaimer: This information is for educational purposes only and is not intended as medical advice. Carb and nutrition values are sourced from the USDA FoodData Central database. Consult with a healthcare provider before making significant dietary changes.