Calories in peanuts

USDA data · Updated October 12, 2026

Peanuts (1 oz, 28 g) has 166 calories, with 6.9 g of protein, 6 g of carbohydrates and 14.1 g of fat. Per 100 g, that's 587 kcal.

Values are for Peanuts, all types, dry-roasted, without salt. Amounts vary with size, variety and preparation.

Peanuts

Per 1 oz (28 g)


Calories166

Protein6.9 g
Carbohydrates6 g
   Fiber2.4 g
   Sugars1.4 g
Fat14.1 g
Sodium2 mg

Source: USDA FoodData Central.

Calories in peanuts by serving

ServingWeightCaloriesProteinCarbsFat
100 g100 g58724.4 g21.3 g49.7 g
1 cup146 g85735.6 g31 g72.5 g
1 oz28 g1666.9 g6 g14.1 g
1 peanut1 g60.2 g0.2 g0.5 g

Where the calories come from

Protein 15%Carbs 14%Fat 71%

Peanuts has a high energy density (5.9 kcal per gram). It provides 4.1 g of protein per 100 kcal.

Nuts & seeds: calories compared

Per 100 gCaloriesProteinCarbsFat
Chia seeds48616.5 g42.1 g30.7 g
Cashews55318.2 g30.2 g43.9 g
Peanuts58724.4 g21.3 g49.7 g
Peanut butter59822.2 g22.3 g51.4 g
Almonds59821 g21 g52.5 g
Walnuts65415.2 g13.7 g65.2 g

Log it in seconds

In C for Calories, photograph your plate and peanuts is estimated along with everything else on it, or search for it and enter the amount in grams. For packaged versions, scan the barcode to use the label.

Source: U.S. Department of Agriculture, Agricultural Research Service. FoodData Central, SR Legacy, FDC ID 173806. Calories are rounded to the nearest whole number and nutrients to one decimal place.

FAQ

Frequently asked questions

How many calories are in peanuts?

166 calories in 1 oz (28 g), or 587 calories per 100 g.

How much protein is in peanuts?

6.9 g of protein in 1 oz (28 g) (24.4 g per 100 g).

How many carbs are in peanuts?

6 g of carbohydrates in 1 oz (28 g), including 2.4 g of fiber.