Black Walnuts

Packaged product Nuts and Seeds Hammons

Black Walnuts contains 633 kcal per 100 g. A serving, 0.25 cup, 30 g (30 g) provides about 190 kcal.

Roughly 80% of its calories come from fat, with 14% from protein and 6% from carbohydrates (estimated with general energy factors).

That is close to the median for nuts and seeds on FoodFactly (687 kcal per 100 g).

100 g provides 174% of the Daily Value for manganese, 148% of the Daily Value for copper and 67% of the Daily Value for molybdenum.

The values are label data submitted by the manufacturer to USDA FoodData Central.

Black Walnuts by Hammons, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
633kcal per 100 g
23.3 gprotein
10 gcarbohydrates
60 gfat
190kcal in serving, 0.25 cup, 30 g (30 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 633 kcal
Total fat L 60 g 77%
Saturated fat L 3.3 g 17%
Trans fat L 0 g
Cholesterol L 0 mg 0%
Sodium L 0 mg 0%
Total carbohydrates L 10 g 4%
Dietary fiber L 6.7 g 24%
Total sugars L 0 g
Added sugars L 0 g 0%
Protein L 23.3 g 47%
Vitamin A L 0 µg0%
Vitamin C L 0.25 mg0.3%
Vitamin D L 0.13 µg0.7%
Vitamin E L 1.6 mg11%
Thiamin (B1) L 0.21 mg18%
Riboflavin (B2) L 0.12 mg9%
Niacin (B3) L 0.38 mg2%
Pantothenic acid (B5) L 1.1 mg21%
Vitamin B6 L 0.16 mg9%
Folate (B9) L 108 µg27%
Vitamin B12 L 0 µg0%
Calcium L 60 mg5%
Iron L 3.3 mg19%
Magnesium L 200 mg48%
Phosphorus L 513 mg41%
Potassium L 523 mg11%
Zinc L 2.2 mg20%
Copper L 1.3 mg148%
Manganese L 4 mg174%
Selenium L 17 µg31%
Iodine L 10 µg7%
Molybdenum L 30 µg67%
Chloride L 28.3 mg1%

% 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: 14%Carbohydrates: 6%Fat: 80%633kcal / 100 g
  • Protein 14%
  • Carbohydrates 6%
  • Fat 80%

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

Vitamins and minerals, % Daily Value per 100 g

Manganese174%Copper148%Molybdenum67%Magnesium48%Phosphorus41%Selenium31%Folate (B9)27%Pantothenic acid (B5)21%Zinc20%Iron19%

Nutritional insights

  • Protein23.3 gin the top quarter of nuts and seeds (median 15.2 g)
  • Fiber6.7 gin the top quarter of nuts and seeds (median 6.4 g)
  • Sugars0 gin the lowest quarter of nuts and seeds (median 2.6 g)
  • Fat60 gin the lowest quarter of nuts and seeds (median 65.2 g)
  • Saturated fat3.3 gin the lowest quarter of nuts and seeds (median 6.1 g)
  • Sodium0 mgin the lowest quarter of nuts and seeds (median 2 mg)
  • Protein per 100 kcal3.7 gprotein density, useful for comparing foods with different calorie levels
  • Water41.9 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat L15 g
Polyunsaturated fat L36.7 g
Sugars and starch (1)
Starch L0.18 g
Individual fatty acids (4)
EPA (omega-3, 20:5 n-3) L0.01 g
DHA (omega-3, 22:6 n-3) L0.01 g
ALA (omega-3, 18:3 n-3) L3.8 g
Linoleic acid (omega-6, 18:2) L19.5 g
Carotenoids (2)
Beta-carotene L52 µg
Vitamin D (D2 + D3), International Units L0 IU
Other components (2)
Water L41.9 g
Alcohol L0 g

Values by source

More than one dataset describes this food. FoodFactly keeps each source's values separately instead of blending them. The headline values above come from USDA FoodData Central: Branded Foods.

Per 100 g Open Food FactsUSDA Branded
Calories 633 kcal633 kcal
Protein 23.3 g23.3 g
Carbohydrates 10 g10 g
Fat 60 g60 g
Fiber 6.7 g6.7 g
Sugars 0 g0 g
Sodium 0 mg0 mg

Product details

Brand
Hammons
Barcode
0074936020319
Quantity
340g
Label serving
0.25 cup (30 g)
Category
Walnuts
Nutri-Score
A as computed by Open Food Facts
NOVA group
1 processing level (1 to 4), as classified by Open Food Facts

Ingredients

Black walnuts

As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.

Similar products

FoodCaloriesProteinCarbsFat
English Walnuts Stuckey’s 633 13.3 g 13.3 g 60 g
Walnuts Halves & Pieces HAPPY BELLY 635 14.1 g 14.1 g 63.5 g
Light Amber Walnuts Nutty Club 640 16 g 12 g 64 g
Deluxe Mixed Nuts Great Value 640 18 g 22 g 56 g
Shelled Walnuts Southern Grove 643 14.3 g 14.3 g 64.3 g
Natural Shelled Walnuts Light Halves and Pieces Member's Mark 643 14.3 g 14.3 g 64.3 g
Chopped Walnuts Southern Grove 643 14.3 g 14.3 g 64.3 g
Walnut Halves & Pieces Unroasted & Unsalted Trader Joe's 643 14.3 g 14.3 g 64.3 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in Black Walnuts?

100 g of Black Walnuts has 633 kcal. Serving, 0.25 cup, 30 g (30 g): about 190 kcal.

Is Black Walnuts high in protein?

Black Walnuts contains 23.3 g of protein per 100 g (47% of the 50 g Daily Value), or 7 g in serving, 0.25 cup, 30 g (30 g). About 14% of its calories come from protein. Compared with other nuts and seeds, that is among the highest quarter (median 15.2 g).

How many carbs are in Black Walnuts?

Black Walnuts has 10 g of total carbohydrates per 100 g, including 6.7 g of fiber and 0 g of sugars.

How much fat is in Black Walnuts?

Black Walnuts contains 60 g of fat per 100 g, of which 3.3 g is saturated (17% of the Daily Value).

What vitamins and minerals does Black Walnuts contain?

Per 100 g, the most notable amounts relative to the Daily Value are manganese (174% DV), copper (148% DV), molybdenum (67% DV), magnesium (48% DV) and phosphorus (41% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Black Walnuts?

100 g contains 0 mg of sodium, 0% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From USDA FoodData Central: Branded Foods, record dated October 25, 2026. FoodFactly last checked it on November 7, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • USDA FoodData Central: Branded Foods, record 2468370. License: CC0 1.0 (U.S. public domain). Source record dated April 26, 2020. Imported November 6, 2026.
  • Open Food Facts, record 0074936020319. License: ODbL 1.0 (Open Food Facts). Source record dated October 25, 2026. Imported November 7, 2026.

Last updated: . Data quality score: 100/100 (how it is calculated).

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