How many calories are in Peanut Butter?

A 100 g serving of Peanut Butter has 588 kcal. The calories in your portion depend on its weight and how it is prepared.

How much protein is in Peanut Butter?

Per 100 g there are 21.9 g of protein — about 44% of the Daily Value (50 g).

How much fat and carbs are in Peanut Butter?

Per 100 g there are 49.5 g of fat and 24 g of carbohydrate, including 5.7 g of fiber.

What nutrients is Peanut Butter high in?

Per 100 g it notably contributes to your Daily Value for: Protein (44% DV), Magnesium (43% DV), Dietary Fiber (20% DV).

Legumes & Soy

Peanut Butter

USDA reference values for peanut butter (per 100 g).

588kcalCalories

21.9gProtein

49.5gFat

24gCarbs

Protein, fat and carb balance

Share of calories from each macronutrient (per 100 g).

Protein 14.2%
Fat 72.1%
Carbs 13.7%

What this food is high in

44% Protein 21.9 g / 100 g 43% Magnesium 179 mg / 100 g 20% Dietary Fiber 5.7 g / 100 g 13% Potassium 592 mg / 100 g

Shown as percent of the Daily Value per 100 g.

Full nutrition facts (per 100 g)

Nutrient	Per 100 g	% DV*
Macronutrients
Protein	21.9 g	44%
Total Fat	49.5 g	64%
Saturated Fat	9.5 g	48%
Carbohydrate	24 g	9%
Dietary Fiber	5.7 g	20%
Total Sugars	6.5 g	13%
Minerals
Sodium	476 mg	21%
Potassium	592 mg	13%
Calcium	54 mg	4%
Iron	2.2 mg	12%
Magnesium	179 mg	43%
Vitamins
Vitamin C	0 mg	0%
Vitamin A	0 mcg	0%
Vitamin D	0 mcg	0%
Other
Cholesterol	0 mg	0%

* Percent of the Daily Value (Daily Value, based on a 2,000 kcal diet).

Data source: USDA FoodData Central. Values are per 100 g of edible portion and are reference figures — they vary by variety, preparation and brand. Last updated: 2026-04-30.

Frequently asked questions

How many calories are in Peanut Butter?: A 100 g serving of Peanut Butter has 588 kcal. The calories in your portion depend on its weight and how it is prepared.
How much protein is in Peanut Butter?: Per 100 g there are 21.9 g of protein — about 44% of the Daily Value (50 g).
How much fat and carbs are in Peanut Butter?: Per 100 g there are 49.5 g of fat and 24 g of carbohydrate, including 5.7 g of fiber.
What nutrients is Peanut Butter high in?: Per 100 g it notably contributes to your Daily Value for: Protein (44% DV), Magnesium (43% DV), Dietary Fiber (20% DV).

Similar foods and comparisons

Bacon Bits, Meatless 476 kcal 32 g protein Bacon, Meatless 309 kcal 11.7 g protein Beans 47 kcal 1.8 g protein Beans, Adzuki 329 kcal 19.9 g protein Beans, Adzuki 128 kcal 7.5 g protein Beans, Adzuki 237 kcal 3.8 g protein

Compare Peanut Butter with: Bacon Bits, Meatless Bacon, Meatless Beans Beans, Adzuki

Note. This information is provided for general reference only and is not medical advice or a diet prescription. If you have a medical condition or special dietary needs, consult a physician or a registered dietitian.