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Walnut Calories and nutrition facts · Nuts, seeds and dried fruits

13 kcal per nut (2 g)
Carbs
0.06 g
Fibre
0.13 g
Sugars
0.05 g
Protein
0.3 g
Fat
1.3 g
664 kcal per 100 g
Carbs
3.2 g
Fibre
6.7 g
Sugars
2.6 g
Protein
15.2 g
Fat
65.2 g

Where the calories come from

Protein 9% Carbs 2% Fat 89%

Walnut has 13 kcal per nut (2 g), with 0.06 g carbs, 0.13 g fibre, 0.3 g protein and 1.3 g fat. 100 g has 664 kcal.

How much is too much

About 357 g of walnut a day reaches the EU safe upper level for copper: 5 mg, the most an adult can have every day without risk of harm. That's 179 × nut (2 g).

Diet tags

Egg free Gluten free Lacto-ovo vegetarian Lactose free Lacto vegetarian Milk free Low gluten No added salt Soy free Unsweetened Vegan

Last updated November 10, 2026 · Where the data comes from

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How it compares with other nuts, seeds and dried fruits

Per 100 g, against the 51 nuts, seeds and dried fruits in our catalog.

  • Calories 664 kcal · typical 348 kcal

    More calories than 92% of nuts, seeds and dried fruits.

  • Fibre 6.7 g · typical 9.7 g

    Less fibre than 77% of nuts, seeds and dried fruits.

  • Potassium 650 mg · typical 670 mg
  • Protein 15.2 g · typical 8.1 g
  • Fat 65.2 g · typical 6.9 g

    More fat than 92% of nuts, seeds and dried fruits.

The bar shows this food; the line marks the typical (median) value of the category.

Nutrients in walnut

Pick an amount to see what it gives you. Tap a nutrient to learn what it does.

% of the daily value for a healthy adult. Your own needs depend on age, sex and activity.

Energy and macros
Vitamins
Minerals
Carbohydrates
Fats
Amino acids

Amino acid data is mapped from the USDA database, for information only.

Walnut in other food databases

The same food in national food composition databases, next to ours. Per 100 g.

Per 100 g Nutriely BLS Fineli USDA
Energy (kcal) 664 711 664 654
Protein (g) 15 16 15 15
Fat (g) 65 71 65 65
Carbohydrates (g) 3.2 3 3.2 7.01
Sugars (g) 2.6 2.68 2.6 2.61
Fibre (g) 6.7 4.6 6.7 6.7

Compare every nutrient across databases

Switch between Nutriely, BLS, Fineli and USDA for all the vitamins, minerals and amino acids of walnut in the Nutriely app.

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BLS: “Walnut” · Fineli: “Nut, walnut” · USDA: “Nuts, walnuts, english”. Databases measure different samples, so some spread is normal. Nutriely's values are what the app uses. Sources and licences.

Similar nuts, seeds and dried fruits

Closest in calories first.

Where the data comes from

How we combine and check nutrition data: Nutriely data sources.

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