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Walnuts Nuts Calories and Nutrition Facts

Walnuts Nuts has 730 calories per 100 g, with 14.6 g protein, 10.9 g carbs and 69.7 g fat. Official USDA analytical record: Nuts, walnuts, English, halves, raw (FDC ID: 2346394).

⚡ Quick Nutrition Answer

A 100g serving of walnuts nuts contains 730 calories, 14.6g protein, 10.9g total carbs (5.7g net carbs), and 69.7g fat.

Energy density

7.3 kcal/g

high

Protein / 100 kcal

2 g

satiety per calorie

Net carbs / 100 g

5.7 g

carbs minus fibre

100 kcal portion

14 g

≈ 0.5 oz

✓ High protein✓ Good source of fibre✓ Sodium free✓ Sugar free
Serving size
How many?

= 100 g total

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Calories
730
in 100 g · 730 kcal per 100 g
Carbs10.9 g · 6%
Protein14.6 g · 8%
Fat69.7 g · 86%
Sugars
0g
Fibre
5.2g
Saturated fat
6.1g
Sodium
0mg

Nuts, walnuts, English, halves, raw nutrition facts

The table below shows the complete nutritional profile for nuts, walnuts, english, halves, raw per 100 g (the laboratory analytical standard), alongside the share of the FDA Daily Value each nutrient covers. Most of its calories come from fat, and it is high in protein (14.6 g per 100 g), a good source of fibre.

NutrientPer 100 g% DV*
Calories730 kcal
Protein14.6 g29%
Carbohydrate10.9 g4%
Fat69.7 g89%
Sugars0 g
Fibre5.2 g19%
Saturated fat6.1 g31%
Sodium0 mg0%

*Percent Daily Value per 100 g, against the FDA reference intakes for adults and children 4+ years (50 g protein, 275 g carbohydrate, 28 g fibre, 78 g fat, 20 g saturated fat, 2300 mg sodium). Total sugars has no Daily Value — the 50 g reference applies to added sugars only, and USDA reports total sugars here.

Walnuts Nuts calories by weight: ounces, pounds and grams

USDA publishes this food per 100 g, so here is the same profile converted to the weights a kitchen scale and a US recipe actually use. At 7.3 kcal per gram (high energy density), energy dense: small portions carry a lot of calories, so measuring rather than eyeballing makes a real difference.

AmountCaloriesProteinCarbsFat
1 oz (28 g)207 kcal4.1 g3.1 g19.8 g
100 g (3.5 oz)730 kcal14.6 g10.9 g69.7 g
4 oz (113 g)828 kcal16.6 g12.4 g79 g
8 oz / ½ lb (227 g)1656 kcal33.1 g24.7 g158.1 g
1 lb (454 g)3311 kcal66.2 g49.4 g316.2 g
🏛️ Official USDA FoodData Central CitationFDC ID: 2346394

Data sourced from USDA FoodData Central Foundation Foods dataset (public domain, CC0). Laboratory food profile and analytical measurements verified under USDA FDC ID 2346394.

View raw USDA laboratory entry →

How walnuts nuts compares to other nuts & seeds

Against the 19 nuts & seeds in this database, walnuts nuts ranks 18th lowest in calories and 15th highest in protein. The category averages 616 kcal per 100 g, so this one is 19% above it. The lightest option in the category is flour, chestnut at 385 kcal per 100 g, and the protein leader is seeds, pumpkin seeds (pepitas), raw at 29.9 g per 100 g.

Nuts & Seeds (by calories)CaloriesProteinkcal/g
🥜 Nuts, pine nuts, raw689 kcal15.7 g6.89
🧈 Sesame butter, creamy697 kcal19.7 g6.97
🥜 Nuts, macadamia nuts, raw712 kcal7.8 g7.12
🥜 Nuts, walnuts, English, halves, raw (this page)730 kcal14.6 g7.3
🥜 Nuts, pecans, halves, raw750 kcal10 g7.5

Portion planning with walnuts nuts

  • 100 calories comes to about 14 g (0.5 oz).
  • 20 g of protein takes about 137 g, bringing 1000 kcal with it — that is 2 g of protein per 100 calories.
  • Fibre density is 0.7 g per 100 calories, covering 19% of the daily fibre target per 100 g.
  • Macro split by calories: 6% carbs, 8% protein, 86% fat.

Nutrient screening detail

The badges near the top of this page come from screening the per-100 g values against the FDA nutrient-content thresholds in 21 CFR 101.54–101.62. The regulations define those claims per reference serving rather than per 100 g, so treat these as a like-for-like comparison between foods, not as a statement about a product label:

  • High protein — 14.6 g per 100 g (≥ 20% DV)
  • Good source of fibre — 5.2 g per 100 g (≥ 10% DV)
  • Sodium free — 0 mg per 100 g (< 5 mg)
  • Sugar free — 0 g total sugars per 100 g (< 0.5 g)

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Walnuts Nuts FAQ & Nutrition Questions

How many calories and carbs are in 100 g of walnuts nuts?

One serving of 100 g provides 730 calories, 10.9 g total carbs (5.7 g net carbs), 14.6 g protein, and 69.7 g fat.

How many calories are in 100 g of walnuts nuts?

Walnuts Nuts contains 730 calories per 100 g, with 14.6 g protein, 10.9 g carbohydrate, and 69.7 g fat. Use the interactive calculator above to scale to any custom amount.

What is the USDA FoodData Central (FDC) ID for walnuts nuts?

The official USDA FoodData Central ID for "Nuts, walnuts, English, halves, raw" is FDC ID: 2346394. You can view the verified laboratory analytical record on the USDA FoodData Central Database.

What is the macronutrient breakdown of walnuts nuts?

By calories, walnuts nuts is approximately 6% carbohydrates, 8% protein, and 86% fat.

How many calories are in an ounce of walnuts nuts?

One ounce (28 g) of walnuts nuts has 207 calories, with 4.1 g protein, 3.1 g carbs and 19.8 g fat. Four ounces (113 g) comes to 828 calories, and a full pound (454 g) to 3311 calories.

How much walnuts nuts is 100 calories?

About 14 g of walnuts nuts supplies 100 calories, because it carries 7.3 kcal per gram (high energy density). Energy dense: small portions carry a lot of calories, so measuring rather than eyeballing makes a real difference.

How much walnuts nuts do I need for 20 g of protein?

Roughly 137 g of walnuts nuts, which also brings 1000 calories with it. That works out to 2 g of protein per 100 calories.

How many net carbs are in walnuts nuts?

Per 100 g, walnuts nuts has 5.7 g net carbs — 10.9 g total carbohydrate minus 5.2 g fibre.

Is walnuts nuts high or low in calories for a nuts & seed?

Walnuts Nuts sits 19% above the nuts & seeds average of 616 kcal per 100 g, ranking 18th lowest of 19 in this category.

Is this nutrition data free to use?

Yes. The data is sourced directly from USDA FoodData Central (CC0 public domain). Viewing and scaling portions here is 100% free with no sign-up — and you can log this food free in our online food diary.