How many carbs are in peanut butter?
Guideline amount per sandwich of peanut butter contains about 7.1g of carbohydrate, 5.6g net carbs after subtracting 1.5g of fiber, 7.2g of protein, and 204 calories.
Carbs by portion size
| Portion | Total carbs | Fiber | Net carbs |
|---|---|---|---|
| 1 tablespoon (16g) | 3.6g | 0.8g | 2.8g |
| Guideline amount per slice of bread/roll (16g) | 3.6g | 0.8g | 2.8g |
| Guideline amount per sandwich (32g) | 7.1g | 1.5g | 5.6g |
| 1 single serving (45g) | 10g | 2.2g | 7.9g |
| 100 grams (100g) | 22.3g | 4.8g | 17.5g |
Net carbs in peanut butter
Guideline amount per sandwich of peanut butter contains 5.6g of net carbs — total carbs (7.1g) minus dietary fiber (1.5g). Net carbs are the carbs your body actually digests and that raise blood glucose. See our guide to net carbs for how this calculation works and when to use it.
Full nutrition for peanut butter (per 100g)
- Calories: 639 kcal
- Carbohydrate: 22.3g
- Dietary fiber: 4.8g
- Sugars: 10.5g
- Protein: 22.5g
- Fat: 51.1g
Reference values from USDA FoodData Central (survey fndds dataset, fdcId 2343014). Values are per 100 grams.
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How many carbs are in peanut butter?
Guideline amount per sandwich of peanut butter contains about 7.1g of total carbohydrate. After subtracting 1.5g of fiber, the net carbs are about 5.6g.
How many net carbs are in peanut butter?
Net carbs in Guideline amount per sandwich of peanut butter are about 5.6g — that is total carbs (7.1g) minus dietary fiber (1.5g). See our net carbs explainer for the full calculation.
Is peanut butter good for diabetics?
Peanut butter contains carbohydrates that will raise blood glucose. Whether it fits your meal plan depends on the portion and your overall daily target. Most U.S. diabetes care teams use total carbs (not net) for insulin dosing — see our diabetes carb-counting guide.
Is peanut butter keto-friendly?
Whether peanut butter fits a keto plan depends on your daily net-carb budget (typically under 20–30g per day). One serving (Guideline amount per sandwich) provides about 5.6g of net carbs.