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How Many Calories in Walnuts?

1 oz (28 g, about 14 halves) has about 185 calories.

Fourteen halves deliver a solid dose of omega-3 fats.

Nutrition (1 oz (28 g, about 14 halves))

Calories185 kcal
Protein4.3 g
Carbs3.9 g
Fat18.5 g

Where the calories come from

About 9% of the calories come from protein, 8% from carbs and 84% from fat. That works out to about 661 calories per 100 g.

Based on the Atwater factors: 4 calories per gram of protein and carbohydrate, and 9 calories per gram of fat.

Calories by portion size

Portion Calories Protein Carbs Fat
1 oz (28 g, about 14 halves)185 kcal4.3 g3.9 g18.5 g
100 g661 kcal15.4 g13.9 g66.1 g
200 g1321 kcal30.7 g27.9 g132.1 g
Half serving93 kcal2.2 g2 g9.3 g

Values are estimates for a typical serving and vary by preparation. Not medical or dietary advice.

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