Nuts & Seeds
Calories in Walnuts
Calories
654
kcal/100g
Protein
15g
per 100g
Carbs
14g
per 100g
Fat
65g
per 100g
About Walnuts
Walnuts are uniquely high in plant-based omega-3 fatty acids (ALA). They're one of the best foods for brain health and have a distinctive rich, slightly bitter flavor.
Macro Breakdown (per 100g)
Calorie source split
Calories in Walnuts by Serving Size
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 100g (standard reference)(100g) | 654 | 15g | 14g | 65g |
| 1 oz (28g) ≈ 14 halves(28g) | 183 | 4.2g | 3.9g | 18.2g |
| 1/4 cup (30g)(30g) | 196 | 4.5g | 4.2g | 19.5g |
Tracking your macros?
Log Walnuts instantly and hit your daily goals — free meal tracker.
Walnuts Diet Tags
Walnuts Nutrition — FAQs
How many calories in Walnuts per 100g?
Walnuts contains 654 calories per 100g, with 15g protein, 14g carbs, and 65g fat.
How many calories in 1 oz?
1 oz (28g) ≈ 14 halves of Walnuts contains approximately 183 calories, with 4.2g protein, 3.9g carbs, and 18.2g fat.
What are the macros in Walnuts?
Per 100g, Walnuts provides: 15g protein (9% of calories), 14g carbohydrates (8% of calories), and 65g fat (83% of calories).
Track every meal, hit your goals
Log Walnuts and 1,000+ foods with one tap. See your macros at a glance — free forever.