Carbs in Peanut Butter
Peanut Butter (per 100 g) contains 20g total carbs, 14g net carbs, 50g fat, 25g protein, and 588 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian
14g
Net carbs
20g
Total carbs
6g
Fiber
25g
Protein
50g
Fat
588
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 2 tbsp | 4.5g | 6.4g | 8g | 188 |
| 100 g (3.5 oz) | 14g | 20g | 25g | 588 |
| 1 oz (28 g) | 3.9g | 5.6g | 7g | 165 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 588 |
| Total carbs | 20g |
| Net carbs | 14g |
| Fiber | 6g |
| Sugar | 9g |
| Sugar alcohols | 0g |
| Protein | 25g |
| Fat | 50g |
| Sodium | 17mg |
| Potassium | 649mg |
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 peanut butter?
- Peanut Butter has 20g of total carbs and 14g of net carbs per 100 grams.
- How many net carbs are in peanut butter?
- Peanut Butter has 14g of net carbs per 100 grams (total carbs 20g minus 6g fiber).
- Is peanut butter keto-friendly?
- Peanut Butter has 14g 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 peanut butter?
- Peanut Butter has 588 calories per 100 grams.
- How many carbs are in 2 tbsp of peanut butter?
- 2 tbsp of peanut butter (32g) has about 4.5g net carbs, 6.4g total carbs, and 188 calories.
