How many calories are in Rounds peanut butter?

100 g of Rounds peanut butter has 546 kcal. Serving, 1 serving, 100 g (100 g): about 546 kcal.

Is Rounds peanut butter high in protein?

Rounds peanut butter contains 11 g of protein per 100 g (22% of the 50 g Daily Value), or 11 g in serving, 1 serving, 100 g (100 g). About 8% of its calories come from protein. Compared with other dairy and eggs, that is above the median (median 8 g).

How many carbs are in Rounds peanut butter?

Rounds peanut butter has 50 g of total carbohydrates per 100 g, including 11 g of fiber and 34 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Rounds peanut butter?

Rounds peanut butter contains 33 g of fat per 100 g, of which 18 g is saturated (90% of the Daily Value).

Where does this nutrition data come from?

From Open Food Facts, record dated March 21, 2026. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Rounds peanut butter

Packaged product Dairy and Eggs Reese's

Rounds peanut butter contains 546 kcal per 100 g. A serving, 1 serving, 100 g (100 g) provides about 546 kcal.

Roughly 55% of its calories come from fat, with 37% from carbohydrates and 8% from protein (estimated with general energy factors).

That is more energy than the typical item in dairy and eggs on FoodFactly, where the median is 245 kcal per 100 g across 55,735 products.

The values are as declared on the product label and entered by Open Food Facts contributors.

Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors

546kcal per 100 g

11 gprotein

50 gcarbohydrates

33 gfat

546kcal in serving, 1 serving, 100 g (100 g)

Nutrition facts

Amount

Nutrition facts for the selected amount
Nutrient	Amount per 100 g	% DV
Calories L	546 kcal
Total fat L	33 g	42%
Saturated fat L	18 g	90%
Sodium	not reported
Total carbohydrates L	50 g	18%
Dietary fiber L	11 g	39%
Total sugars L	34 g
Protein L	11 g	22%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein 8%
Carbohydrates 37%
Fat 55%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Nutritional insights

Protein11 gabove the median for dairy and eggs (median 8 g)
Fiber11 gin the top quarter of dairy and eggs (median 0.7 g)
Sugars34 gin the top quarter of dairy and eggs (median 4 g)
Fat33 gin the top quarter of dairy and eggs (median 10 g)
Saturated fat18 gin the top quarter of dairy and eggs (median 4.2 g)
Protein per 100 kcal2 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand: Reese's
Barcode: 5060250342669
Label serving: 1 serving (100 g)
Category: Dairy and Eggs

Ingredients

Ingredients not reported.

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Protein But Butter Cups Vilgain	546	29.6 g	21.2 g	37.5 g
Minions egg Illumination	546	6.2 g	56 g	32 g
Milka Tender pralinés Milka	546	5.4 g	57 g	32 g
I Can’t Believe It’s Not Butter Untable I Can’t Believe It’s Not Butter	546	0 g	0 g	60.7 g
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Per 100 g. Calories in kcal. n/a: not reported by the source.

Source of the nutrition information

Open Food Facts, record 5060250342669. License: ODbL 1.0 (Open Food Facts). Source record dated March 21, 2026. Imported November 6, 2026.

Last updated: November 6, 2026. Data quality score: 85/100 (how it is calculated).

Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.