Peanut Butter: Calories, Protein, Carbs & Fat
How many calories are in peanut butter? 598 per 100 g, and 96 for 1 tablespoon (16 g). That serving carries 3.6 g protein, 3.6 g carbs and 8.2 g fat.
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Peanut Butter serving sizes: calories and macros
| Serving | Grams | Calories | Protein g | Carbs g | Fat g |
|---|---|---|---|---|---|
| 100 g | 100 | 598 | 22.2 | 22.3 | 51.4 |
| 1 oz | 28.4 | 170 | 6.3 | 6.3 | 14.6 |
| 1 tablespoon | 16 | 96 | 3.6 | 3.6 | 8.2 |
| 1 single serving | 45 | 269 | 10 | 10 | 23.1 |
Where the calories in peanut butter come from
Counting protein and carbs at 4 calories per gram and fat at 9, peanut butter gets 14% of its calories from protein, 14% from carbs and 72% from fat. This split is calculated from the macros listed per 100 g (22.2 g protein, 22.3 g carbs, 51.4 g fat).
Sodium, fiber, sugar and saturated fat in peanut butter
A 1 tablespoon (16 g) of peanut butter also contains 68.2 mg sodium, 0.8 g fiber, 1.7 g sugar and 1.6 g saturated fat.
| Nutrient | Per 100 g | Per 1 tablespoon (16 g) |
|---|---|---|
| Sodium | 426 mg | 68.2 mg |
| Fiber | 5 g | 0.8 g |
| Sugar | 10.5 g | 1.7 g |
| Saturated fat | 10.3 g | 1.6 g |
| Cholesterol | 0 mg | 0 mg |
| Potassium | 558 mg | 89.3 mg |
| Calcium | 49 mg | 7.8 mg |
| Iron | 1.7 mg | 0.3 mg |
| Vitamin C | 0 mg | 0 mg |
How peanut butter compares with similar foods
Besly has few foods in the same group, so this compares peanut butter with the closest foods by calories per 100 g. At 598 kcal it is number 4 of 5, sorted from lowest to highest.
| Food (per 100 g) | Calories | Protein g | Carbs g | Fat g |
|---|---|---|---|---|
| Cheddar Cheese | 408 | 23.3 | 2.4 | 34 |
| Bacon | 484 | 37.4 | 1.9 | 35.8 |
| Almonds | 579 | 21.2 | 21.6 | 49.9 |
| Peanut Butter (this page) | 598 | 22.2 | 22.3 | 51.4 |
| Butter | 743 | 0.9 | 0.1 | 92.9 |
Forms and preparations of peanut butter
Across the 4 forms listed for peanut butter, calories range from 520 kcal per 100 g (Peanut butter, reduced fat) to 650 kcal per 100 g (Peanut butter, lower sugar).
| Form or preparation (per 100 g) | Calories | Protein g | Carbs g | Fat g | Default serving |
|---|---|---|---|---|---|
| Peanut butter (main entry) | 598 | 22.2 | 22.3 | 51.4 | 1 tablespoon (16 g): 96 kcal |
| Peanut butter, reduced fat | 520 | 25.9 | 35.6 | 34 | 1 tablespoon (16 g): 83 kcal |
| Peanut butter, lower sugar | 650 | 24.8 | 14.2 | 54.9 | 1 tablespoon (16 g): 104 kcal |
| Peanut butter, lower sodium | 598 | 22.2 | 22.3 | 51.4 | 1 tablespoon (16 g): 96 kcal |
Frequently asked questions
How many calories are in 1 tablespoon of peanut butter?
1 tablespoon (16 g) of peanut butter has 96 calories, with 3.6 g protein, 3.6 g carbs and 8.2 g fat.
How many calories are in 100 g of peanut butter?
100 g of peanut butter has 598 calories, 22.2 g protein, 22.3 g carbs and 51.4 g fat. One ounce (28.4 g) is 170 calories.
Is peanut butter low in carbs?
Carbs supply 14% of the calories in peanut butter (protein 14%, fat 72%). Per 100 g there are 22.3 g of carbs, and 1 tablespoon (16 g) has 3.6 g, including 0.8 g of fiber.
Recipes with peanut butter
- Apple Slices with Peanut Butter
- Peanut Butter Banana Mass Oat Bowl
- Fit Peanut Butter Banana Toast
- Peanut Butter Banana Toast
- Peanut Butter Oat Bars
- Homemade Carrot and Peanut Butter Granola Bars
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Source: USDA FoodData Central, via the Besly food database (source tag “usda_fdc_reimport”, record us.generic.peanut_butter). Data snapshot: October 16, 2026. Values are averages for the food as described and vary by brand, ripeness and preparation. Serving sizes come from the same record.
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