Calories in Costco Walnuts

Low Sugar
Instrument — Food Profile
100g
Calories

679.00

kcal
Protein

14.30

g
Carbs

14.30

g
Fat

64.30

g
Fiber

7.10

g
Sugar

3.57

g

Curious about the nutritional profile of costco walnuts? Whether you are tracking your macros or just want to know how many calories they contain, you are in the right place. A standard 100g serving of costco walnuts provides 679.00 calories, 14.30g of protein, and 14.30g of carbs.

Serving Size Variations

Portion Size Calories Protein Carbs Fat
100g (Standard) 679.00 kcal 14.30g 14.30g 64.30g
1 oz (28g) 190 kcal 4.0g 4.0g 18.0g
1/4 cup (28g) 190 kcal 4.0g 4.0g 18.0g

Vitamins & Minerals

Nutrient Amount
Calcium 71.00 mg
Iron 2.57 mg
Sodium 4.00 mg
📊 Data Source: USDA FoodData Central Database (FDC ID: 2009462)
🩺 Reviewed by Ashwini Yadav Last Updated: July 2026

Nutrition FAQs

Does costco walnuts help build muscle?

They contain 14.30g of protein per 100g, which is moderate.

How many calories are in costco walnuts?

100 grams of costco walnuts contains exactly 679.00 calories.

How many calories are in 1 1/4 cup of costco walnuts?

A single 1/4 cup (28g) of costco walnuts provides 190 calories.

Is costco walnuts keto-friendly?

No, costco walnuts have 14.30g of carbs per 100g, which may disrupt ketosis.