Peanuts nutrition facts
Nuts & seeds · Raw · per 100 g
Peanuts (raw) contains 567 kcal per 100 g, with 25.8 g protein, 16.1 g carbohydrate (of which 4.7 g sugar), 49.2 g fat and 8.5 g fiber. That works out to about 4.6 g of protein per 100 kcal, and its energy density is high (over 300 kcal/100 g).
Source: USDA FoodData Central. Data as of June 2026.
Nutrition facts per 100 g
| Nutrient | Per 100 g |
|---|---|
| Calories | 567 kcal |
| Protein | 25.8 g |
| Carbohydrate | 16.1 g |
| Fat | 49.2 g |
| Fiber | 8.5 g |
| Sugar | 4.7 g |
| Potassium | 705 mg |
| Iron | 4.6 mg |
Source: USDA FoodData Central. Data as of June 2026.
What the numbers mean
Energy density tells you how many calories a food packs per gram: peanuts is high (over 300 kcal/100 g). Protein density — grams of protein per 100 kcal — is a useful way to compare foods regardless of portion size; here it is about 4.6 g/100 kcal. Fiber (8.5 g per 100 g) supports digestion and satiety, while the sugar figure (4.7 g) is part of total carbohydrate. See our guide on how to read nutrition data for more.
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Frequently asked questions
How many calories are in 100 g of peanuts?
100 g of peanuts (raw) contains about 567 kcal, with 25.8 g protein, 16.1 g carbohydrate and 49.2 g fat, per USDA FoodData Central.
How much protein is in peanuts?
Peanuts provides 25.8 g of protein per 100 g — roughly 4.6 g of protein per 100 kcal.
Is peanuts high or low in calories?
At 567 kcal per 100 g, peanuts has high (over 300 kcal/100 g) energy density.
Source
Data from USDA FoodData Central (FDC ID 172430), per 100 g edible portion. Values are for general information only and are not medical or dietary advice; cooking, brand and variety can change the real figures.
Last updated: 2026-06-14